Exploitation is an economic activity governed by social needs and pressures. 1975;89(2):294-304. Salam A, Chatta AM, Zaman QU, Akhtar QA, Khan S. Weight-length and condition factor relationship of a fresh water hatchery reared rainbow trout, Oncorhynchus mykiss from Sawat, Pakistan. Studies on the statistical analysis of the morphometric characters and the relationship between total length is useful in determining the degree of an association of these body measurements. Inland Fishes of India and Adjacent Countries, Vol. 93245). Aquaculture, 2006, 258:312-320. 7 Diseases Infection with Aphanomyces invadans is an OIE-reportable disease. were based on length frequency data. Labeo is bottom feeder and prefers to feed on plant matter including decaying vegetation. infecting scales of Labeo rohita, an Indian major carp from Harike Wetland in Punjab, India has been described on the basis of spore morphology and amplification of a part of 18S rDNA gene.The pseudocysts of M.dermiscalis n. sp. A total of 200 and 190 specimens from upstream and downstream were collected, respectively. The distal broad end of the parhypural supported three branched lepidotrichs in Bangana devdevi, Labeo gonius, Labeo bata, Labeo calbasu, Labeo boga and Neolisochilus hexagonolepis but …  |  59-69 ISSN: 2352-5134 Subject: The morphology of rudimentary neural arch exhibited variation in all the species which is considered to be a species specific character. Collection of Labeo calbasu samples from different stocks Source of fish samples Status of the fish stocks Sample size Mean total length (cm) ± S.E. Diatoms, green algae and desmids were also observed in the … The Labeo calbasu (Hamilton, 1822) is a threatened fish species (present status: Endangered) in Bangladesh due to the loss of habitats (IUCN Bangladesh, 2000). Like, it is an important food fish having wider distribution in *Corresponding author: R. Sivakumar Tel. The … Red book of threatened fishes of Bangladesh, IUCN-the world conservation Union, 2000. Journal of Inland Fisheries Society of India, 1992, 24: 20-27. Conservation assessment and management plan for freshwater fishes of India. 1992, 12: 599-605. Follow. Labeobata, L. calbasu, L. gonius of the genus Labeo Cuvier and Cirrhinusreba of genus Cirrhinus Oken are the most popular and commercially important native minor carps of the state. Corpus ID: 12085505. Talwar PK, Jhingran AG. Z Mikrosk Anat Forsch. Sampling. Labeo bata (Hamilton, 1822) Bata Upload your photos and videos ... Morphology Larvae Larval dynamics Recruitment Abundance. It is a carnivorous species having a short oesophagus, pouch‐like stomach and a short intestine with two convolutions. 1). ... Labeo calbasu, Labeo rohita, Cirrhina mrigala, Punctius sarana, Tor tor and Mastacembalus armatus and three three lobed in Glossogobius gluris. The von Barlanffy growth parameters L ∞ and K for the species were 667 mm and 0.249 year-1 respectively. The cellular architecture and histochemical nature of the enzyme secretory acinar cells of pancreas have been investigated in two species of fish, Labeo calbasu and Mystus gulio having different feeding habits. Rohu (Labeo rohita) is the most important among the three Indian major carp species used in carp polyculture systems.This graceful Indo-Gangetic riverine species is the natural inhabitant of the riverine system of northern and central India, and the rivers of Pakistan, Bangladesh and Myanmar. It is distributed throughout India, Pakistan, Bangladesh, Burma and Nepal. IUCN Bangladesh. Das P and Barat A. Ind., 1998, 68B, 15-21. Clipboard, Search History, and several other advanced features are temporarily unavailable. Time scale changes in the catch structure of fishery in Allahabad. It feeds on vegetable matter, crustaceans, insect larvae etc. A recipe for fried Rohu fish is mentioned in Manasollasa, a 12th-century Sanskrit encyclopedia compiled by Someshvara III, who ruled from present … Federal Agency for Nature Conservation, Bonn, Germany, 2004: 329. Spawn of labeo rohita diagram estilos de labios calbasu labelled. [The regulation of food consumption (the ontogenetic aspects)]. Subject. The results of LWR (W= aLb), for L calbasu. carps like Labeo rohita [31], Catla catla [14], Cirrhina mrigala [32] & Labeo calbasu [33] describing their GIT changes concomitant with various life cycle stages of these fishes. Dwivedi AC, Tewari NP, Singh KR. Fishing Chimes; 2012, 32 (5): 34-35. “The length-weight relationship and seasonal cycle in gonad weight and condition in the perch (Perca flavescent ),” J. Anim. Copyright © 2018 Bilingual Publishing Co. Creative Commons Attribution-NonCommercial 4.0 International License. Bayesian length-weight: a=0.00537 (0.00304 - 0.00948), b=3.08 (2.93 - 3.23), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. It is also common in Bangladesh and Myanmar (Burma). OF Labeo calbasu (Hamilton, 1822) FROM LOWER ANICUT, ... difficulties in relying primarily on morphology when attempting to identify fishes during various stages of their development. work on morphology of the gland has been done by many workers elsewhere, but very little is available to cold water species. Successful artificial or induced breeding can be a good option to conserve this species. Acad. Hasan MR, Nahiduzzaman M, Hossain MAR, Alam MS. Population genetic structure of an endangered carp, Labeo calbasu (Hamilton, 1822) revealed by heterologous microsatellite DNA markers. It was observed that L. calbasu feeds mainly on organic detritus which was found in the gut >80% throughout the year. (eds.). NLM Tripura is a north-eastern state of India with a total geographical area of 10,491 sq.km. Image of Labeo calbasu (Orangefin labeo). This study was conducted to study the food and feeding habits of L. calbasu from Ganga River, Allahabad, Uttar Pradesh, India [date not given]. Naeem M, Saleem A, Khan MN. Labeo calbasu (Hamilton, 1822) Orangefin labeo Upload your photos and videos Pictures | Google image. Labeos can be distinguished from the other geneses of this family because of their unique characters bearing thick-lipped and sucking mouth on the underside of the head with two to four small barbels. no. 1. Histological analysis illustrates that the exocrine pancreatic tissues are scattered within the hepatic parenchyma as hepatopancreas and spleen as spleenpancreas in L. calbasu. The chromosomes of L. calbasu have been studied by Majumdar and Ray-Chaudhuri (1976), and Manna and Khuda-Bukhsh (1977a). 2 pairs of barbells, rostal pair longer than maxillary pair. Spawn of labeo rohita diagram estilos de labios calbasu labelled. It is a carnivorous species having a short oesophagus, pouch‐like stomach and a … NIH  |  A. Labeo Calbasu (Ham.) Species : Labeo calbasu (Hamilton, 1822) Morphology: Dorsal profile is more convex than of abdomen.  The results of this work would be beneficial for sustainable management as well as fishery managers. Â. Dwivedi, Amitabh C, Mayank P, Masud S, Khan S. An investigation of the population status and age pyramid of Cyprinus carpio var. Image of Labeo calbasu (Orangefin labeo). Labeo bata STANDARD LENGTH Labeo rohita, 17 Catla-catla, 28 Labeo calbasu, 32 Cirrhinus mrigal, 29 Cyprinus carpio, 14 Cirrhinus reba, 30 Labeo bata, 13 Labeo rohita Catla-catla Labeo calbasu Cirrhinus mrigal Cyprinus carpio Cirrhinus reba Labeo bata FORK LENGTH Labeo rohita, 18.5 Catla-catla, 30 Labeo calbasu, … Labeo calbasu. infecting scales of Labeo rohita, an Indian major carp from Harike Wetland in Punjab, India has been described on the basis of spore morphology and amplification of a part of 18S rDNA gene.The pseudocysts of M.dermiscalis n. sp. Labeo calbasu is a freshwater fish species and one of the most important carp species found in India, The labeos calbasu fish are very similar to the freshwater sharks in appearance. It breathes by means of gills and also frequently comes to water surface for gulping air into the air bladder. This particular fish is studied as the type specimen of bony fishes in many Indian Universities. and L.calbasu x C.catla in Rangwan reservoir in Uttar Pradesh has been also reported by Prasad (1976). COVID-19 is an emerging, rapidly evolving situation. Chondar SL. The diagnostic characters of the genus Labeo are well known and accurate [7, 8]. (2009) studied the ultrastructure of six cyprinid species including catla Catla catla, rohu Labeo rohita, kalbasu Labeo calbasu, mri- gal Cirrhinus mrigala, silver carp Hypophthalmichthys moli- trix and grass carp Ctenopharyngodon idella and reported that cyprinid sperm constituted a roundish … Environmental Series, 1990, 4: 85-89. Genus: Labeo Species: L. pangusia. Baseline studies of biodiversity: the fish resources of western, 1996: 136. … Presently, healthy Labeo calbasu of the average weight of 50–100 g obtained from the Cauvery reservoir, Mettur Dam were divided into four experimental groups (Three groups for treatment and another group for control and each group containing 12 animals), each with three replicates. It does inhabit rivers and tributaries. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. Picture by or carps) > Labeoninae Etymology: Labeo: Latin, labeo = one who has large lips (Ref. This study was conducted to study the food and feeding habits of L. calbasu from Ganga River, Allahabad, Uttar Pradesh, India [date not given]. Specimen name GenBank accession no. Cong. Tengra – Mystus Tengara. Fluorescence microscopic studies on sulphomucous of the alimentary canal in an Indian freshwater major carp, Cirrhinus mrigala (Hamilton) by ferric alum-coriphosphine and coriphosphine-thiazol yellow methode. External Morphology of Rohu Fish (With Diagram) Chordata. The present survey work has described 10 species of Labeo sp., viz., Labeo bata, Labeo boga, Labeo boggut, Labeo calbasu, Labeo dussumieri, Labeo gonius, Labeo nigripinnis, Labeo pangusia Labeo potail and Labeo rohita. Sl. Labeo rohita takes small percentages of mud which contains organic matter and various salts. nov. were found infecting gills of Labeo rohita (Hamilton 1822) The infection rate was found to be 36.67 % (30 fishes were examined and 11 fishes were infected) in the Nanoki pond in Patiala district Punjab. Proc. Occurrence of other carp hybrids like Labeo fimbriatus (Bl) x L. gonius (Ham.) Fish habitat degradation necessitating conservation.  Representing negative allometric growth pattern. Gupta S, Banerjee S. Present status of Galiff street market, the wholesale ornamental fish market of Kolkata. Freshwater fishes of Bangladesh. Mathabhanga (MR); Kirtonkhola, Barisal (KR); Nabaganga, Jhenidah (NR); Padma (PdR); Jamuna (JR) and Punorvoba, Dinajpur (PR). The morphometric study is important in fishery management. calbasu (orange fin labeo), and P. ticto (ticto barb) which were used for sexual potency, fever, cold, and to treat eyesight, body pain, and joint disorders, depicted 100% FL (Fig. Singh HR, AI Payne, SK Pandey, PR Singh. Induction of gynogenesis in endangered sarpunti, Puntius sarana (Hamilton) and evidence for female homogamety. Synonyms Cyprinus pangusia (Hamilton, 1822) Gobio pangusia (Hamilton, 1822) Labeo kunki Chaudhuri, 1912. Zoological Society of Bangladesh, Dhaka, Bangladesh, 2005: 263. 1). Length-weight was found with a strong correlation of n= 2.892, a=0.0235 with r2=0.934 for upstream population then the downstream population. The early life-history stages of Labeo calcasu (Hamilton) viz., the fries, are zooplankton-feeders (carnivorous). The early life-history stages of Labeo calcasu (Hamilton) viz., the fries, are zooplankton-feeders (carnivorous). This particular fish is studied as the type specimen of … Zoological Studies, 2010, 49(4): 556-563. The fishes were acclimatized in … It is distributed throughout India, Pakistan, Bangladesh, Burma and … Habit and Habitat: Generally it is a bottom feeder. Landmark based morphometrics of an endangered carp kalibaus, Labeo calbasu stocks. Literature pertaining to the histochemical localization of mucopolysaccharides and some enzymes on the various segments of GIT is limited [34] and often The plasmodia of Myxobolus nanokiensis sp. With increase in age, size and body-length, the food and feeding habits of the fish undergo changes … The morphology, anatomy and histology of the alimentary canal during this stage is adapted accordingly. Estimating the parameter of length-weight relationships from length frequency samples and bulk weight. Labeo calbasu is a herbivores and bottom feeder fish. The present work deals with some of the statistical relationships between various morphometric measurements of Channa orientalis. Labeo calbasu; LWR; Condition factor; Growth pattern. 3. Striking features: Body shape lateral: fusiform / normal Cross section: Dorsal head profile: Type of eyes: more or less normal Type of mouth/snout: more or less normal (2009) studied the ultrastructure of six cyprinid species including catla Catla catla, rohu Labeo rohita, kalbasu Labeo calbasu, mri- gal Cirrhinus mrigala, silver carp Hypophthalmichthys moli- trix and grass carp Ctenopharyngodon idella and reported that cyprinid sperm constituted a roundish head without any acrosomal complex, the midpiece and the flagellum. Nat. Labeo rohita, commonly called the Rohu fish, is one of the typical fresh-water bony fish­es of India. Final report of the R&D-project 808 05 081. Calbasu – Labeo Calbasu. isolated from the digestive tract of freshwater fish Labeo calbasu (Hamilton, 1822) Author: Kavitha, Mathialagan, Raja, Manickam, Perumal, Pachiappan Source: Aquaculture reports 2018 v.11 pp. Pauly D and Gayanilo FC. Labeo calbasu is a fresh water teleost belonging to family Cyprinidae of the order Cypriniformes (Plate - I, fig. In the present study, a new species Myxobolus dermiscalis n. sp. Rohu is very commonly eaten in Bangladesh, Nepal, Pakistan and the Indian states of Tripura, Nagaland, Bihar, Odisha, Assam, West Bengal, Andhra Pradesh, Tamilnadu and Uttar Pradesh. Sardine Amblygaster clupeoides is a reef-associated oceanic species having long-standing socioeconomic and ecological importance along the coast of Bay of Bengal, Bangladesh, but less is known about the morphometric variability of the species. USA.gov. Labeo calbasu is a fresh water teleost belonging to family Cyprinidae of the order Cypriniformes (Plate - I, fig. Fertilisation is external, i.e., in water. Verma et al. Comparative morphology, anatomy and histology of the alimentary canal of an Indian freshwater major carp, Labeo calbasu (Hamilton) during the different life-history stages in relation to food and feeding habits. External Structures of Rohu: The Rohu fish has a spindle-shaped body measuring up to 1 m in length and weighing about 20-25. kg. The morphological variations of bata, Labeo bata (Hamilton, 1822) was studied based on morphometric and landmark analysis to know the populations status in the northern and southwestern Bangladesh.Samples were collected from six river sources viz. communis from the Yamuna river at Allahabad. Mathabhanga (MR); Kirtonkhola, Barisal (KR); Nabaganga, Jhenidah … It is the commonest cap in the plains of India, except in the south. This site needs JavaScript to work properly. Source: www.notesonzoology.com. On the origin, development and probable functions of taste bud in the lip and bucco-pharyngeal epithelia of an Indian freshwater major carp, Cirrhinus mrigala (Hamilton) in relation to food and feeding habits. The Asian J. Ani. Evaluation of probiotic potential of Bacillus spp. Labeo calbasu (Hamilton, 1822) Accepted Name Black Rohu Animalia > Chordata > Actinopterygii > Cypriniformes > Cyprinidae > Labeo > Labeo calbasu (Hamilton, 1822) 0. The alimentary tract of the pike is described, relating its feeding habits to its intestinal gut histology. Cranial Nerves Of Labeo … Oxford and IBH Publishing, New Delhi, India, 1991: 541. It is important to have scientific knowledge about the nature of fish, feeding habits, diseases and so on to cultivate fish through the choice using suitable control measures. In Labeo calbasu, the swim bladder is a milky white double chambered structure situated longitudinally between the alimentary canal and above the vertebral column. Ali M, Salam A, Iqbal F. Weight-length and condition factor relationship of wild Channa punctata from Multan. It is principally herbivorous and bottom feeder, feeding on algae and aquatic plants. Picture by or carps) > Labeoninae Etymology: Labeo: Latin, labeo = one who has large lips (Ref. The present work reports the length–weight relationships (LWR) and condition factor relationships for Labeo calbasu collected from Upstream (Matyari) Kotri barrage at, River Indus, Pakistan, because stock assessment helps the fisheries managers to conserve the commercially important fish.Morphological characters of fish as well … Verma et al. Bayesian length-weight: a=0.00537 (0.00304 - 0.00948), b=3.08 (2.93 - 3.23), in cm Total Length, based on LWR estimates for this species & … Labeo calbasu Shaw and Shebbeare, 1937. Foraging patterns of nonhuman primates and the nature of food preferences in man. The present work deals with some of the statistical relationships between various morphometric measurements of Channa orientalis. The shape, nature, feeding habits, color, etc. Pak. Labeo calbasu feeds on algae 10%, higher plants 48%, protozoa 12%, crustacean 10%, mollusca 5%, mud and sand 15% (Bhuiyan, 1964). Studies on comparative morphology of upstream and downstream Labeo gonius in Indus River Sindh-Pakistan (Unpublished), 2018. Acta Science. Nautiyal PA, Shivam G, Rawat KR, Singh J, Varma, AC Dwivedi. Hossain MAR, Nahiduzzaman M, Saha D, Khanam MUH, Alam MS. carps like Labeo rohita [31], Catla catla [14], Cirrhina mrigala [32] & Labeo calbasu [33] describing their GIT changes concomitant with various life cycle stages of these fishes. SCSC Publishers, India, 1999: 514. In the present study, a new species Myxobolus dermiscalis n. sp. Zool. Labeo calbasu. The cellular architecture and histochemical nature of the enzyme secretory acinar cells of pancreas have been investigated in two species of fish, Labeo calbasu and Mystus gulio having different feeding habits. A. Labeo Calbasu (Ham.) References Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing Mass conversion. Proc. To uncover this, morphometric variability of A. clupeoides based on … It is oviparous, breeding occurs in running water in July and August. The assessed values of length-weight correlation and condition factor were calculated as Kn=39.663 (LeCren), and K=11.915 (Fulton) for upstream and Kn=44.066 and K=13.872 for downstream. Croatian Journal of Fisheries, 2013, 71: 65-73. Presently, healthy Labeo calbasu of the average weight of 50 – 100 g obtained from the Cauvery reservoir, Mettur Dam were di- vided into four experimental groups (Three groups for treatment and Mean weight (g) ± S.E. The observations of these workers confirm the diploid number as 50 but differ with regard to the number of submetacentric and acentric types, (though they agree … Chakraborty BK, Miah MI, Mirja MJA, Habib MAB. Message The user has shared this species from India Biodiversity Portal with you. LWRs and condition factor relationships were found significantly correlated. : Mobile: +91 94433 32332; Fax: 0435-2442977 Studies on the statistical analysis of the morphometric characters and the relationship between total length is useful in determining the degree of an association of these body measurements. In Labeo calbasu, the swim bladder is a milky white double chambered structure situated longitudinally between the alimentary canal and … Nat. He suggested that these hybrids form good substitutes for L. gonius and L. calbasu in reservoirs. HHS Contributor(s): Molur, S. Justification: A widespread species with no known major widespread threats, Labeo calbasu is assessed as Least Concern. To. vary from species to species. The morphological variations of bata, Labeo bata (Hamilton, 1822) was studied based on morphometric and landmark analysis to know the populations status in the northern and southwestern Bangladesh.Samples were collected from six river sources viz. in D. Pauly and P. Martosubroto (eds.) Today and Tomorrow Book Agency, New Delhi, 1878: XX+ 778. Le Cren ED. Gupta RA, Tyagi RK. mrigal and calbasu), both intergeneric and interspecific fertile hybrids are com-monly encountered (Mishra et al., 1998) and morphological identification of some of the hybrids is often confusing. The morphology, anatomy and histology of the alimentary canal during this stage is adapted accordingly. Source: www.notesonzoology.com. species Labeo calbasu are not only interest for taxonomy and systematics, but also an imperative management of fisheries for authentication of food resources (Rasmussen et al., 2009). Molur, S. and Walker, S. work on morphology of the gland has been done by many workers elsewhere, but very little is available to cold water species. Contributor(s): Molur, S. Justification: A widespread species with no known major widespread threats, Labeo calbasu is assessed as Least Concern. 2. NCI CPTC Antibody Characterization Program. Specimen image Illustrative barcode 1 Puntius sophore JQ713844 2 Nandus nandus JQ713845 3 Barbonymus gonionotus JQ713846 4 Labeo bata JQ713847 5 Labeo calbasu JQ713848 6 Labeo gonius JQ713849 7 Wallago attu JQ713850 8 Labeo boga JQ713851 BD Khomdram / Journal of Asia-Pacific Biodiversity 11 (2018) 452e458 457 Table 3 (continued ) Sl. Stratified epithelium with columnar cells and many goblet cells are present in the oesophagus, columnar epithelial cells only in the stomach, and both cell types in the intestine. taxonomy of the genus Labeo is in a state of considerable confusion, and its revision is long overdue in the state of Gujarat. Riede K. Global register of migratory species- from global to regional scales. The paper gives a detailed account of dimorphic trypanoplasm Trypanoplasma gadrii n. sp_ found in the blood of the fresh water fishes of the species L… Tissue and blood samples were collected on days- Characteristics of sub phylum Vertebrata . The morphology, anatomy and histology of the alimentary canal gets modified accordingly in the fingerlings and adults. 2. Functional morpho-histology of the alimentary canal of an Indian frewhwater major carp, Labeo rohita (Hamilton) during it's different life-history stages. are milky white with irregular … During a detailed survey on the protozoan parasites of … 1. Thus, an attempt has been made to work out the pituitary gland ... Labeo calbasu, Labeo rohita, Cirrhina mrigala, Punctius sarana, Tor tor and Mastacembalus armatus and three three lobed in Glossogobius … The paper gives a detailed account of dimorphic trypanoplasm Trypanoplasma gadrii n. sp_ found in the blood of the … Day F. The fishes of India. The instantaneous rate of total, natural and fishing mortality were 0.612, 0.381 and 0.231 year-1 respectively. 1995 Jan-Mar;26(1):46-75. In: Workshop Report. Camp. 1994, 4: 67-69. These findings indicate the prevalence of particular diseases in the area that were cured with species having high FL. Sci. Share. A Jamuna River in Bogra District Wild 47 31.25 ± 0.65 293.63 ± 23.66 Halda River at Chittagong Wild 29 24.56 ± 0.09 159.76 ± 0.86 Collaborators Pictures Stamps, Coins Misc.  |  The present work reports the length–weight relationships (LWR) and condition factor relationships for Labeo calbasu collected from Upstream (Matyari) Kotri barrage at, River Indus, Pakistan, because stock assessment helps the fisheries managers to conserve the commercially important fish. Analysis of morphology and mitochondrial gene sequences of Labeo calbasu (Cypriniformes: Cyprinidae) from Bangladesh: Professor Mohammad Shamimul Alam: Professor Reza M Shahjahan: Liton Chandra Shutradhar: Fish Genetics Usp Fiziol Nauk. Study on population dynamics of Labeo calbasu (Ham.) Analytical approach to analysis of fish stock of Ganga river system. Top 10 Wild Water Marine Life Sanctuaries in India. However, nursing of new born fry is an …read more Rahman AKA. Morphological characters of fish as well as Length-weight relationship are an important tool for fishery management. Zoo Outreach Organization, Coimbatore / CBGS and NBFGR, Lucknow, India, 1998: 158. Labeo rohita (15±2 g) were fed a feed containing B. subtilis in three concentrations for 2 weeks, e.g., 0.5 (T2), 1.0 (T3) and 1.5 (T4) × 107 CFU g−1 feed. Pauly D, Gayanilo FC. 4.1.3 Labeo calbasu. Asiatic Society of Pakistan, Dacca, 1964: 148. References Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing Mass conversion. Biology of Finfish and Shellfish. The present study aims to give some details about the normal anatomical and histological structure of the liver, pancreas and gall bladder in Cyprinus carpio Linnaeus, 1758 and Mesopotamichthys sharpeyi (Günther, 1874). Present structure of capture and culture fishery of the Faizabad district (U.P.). ... Morphology Larvae Larval dynamics Recruitment Abundance. Diatoms, green algae and desmids were also observed in the gut. ADVERTISEMENTS: 4. Labeo rohita is found in tropical and tem­perate regions. Freshwater fishing is a major source of income and protein for the riverine populations of most tropical regions. Its food comprises crustaceous and insect larvae in early stages (Mookerjee et al., 1946). Longitudinal variation in structure of benthic communities in the upland Vindhyan and Himalayan: River continuum concept approach. “Rohu (Labeo rohita) is the most important among the three Indian major carp species used in carp polyculture systems.” According to Casal (2006), 795,128 metric tons of Labeo rohita were produced in aquaculture in 2000.