Fecundity Estimation of Mystus tengara (Ham.-Buch., 1822), A Freshwater Catfish from West Bengal, India

Gupta, Sandipan; Banerjee, Samir

doi:10.15373/2249555x/june2013/13

Cited by 28 publications

(39 citation statements)

References 6 publications

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“…An acceptable limit of water-quality parameters affect the ability of aquatic organisms to grow and reproduce (Flu ra, Hossain, Rubel, Tanu, & Khan, 2016). The size of Mystus tengara in the Ganges River (11.4 cm LT) greatly exceeded the maximu m size (10.2 cm L T ) recorded in earlier studies in the Tanore wetland of Rajshahi, northwestern Bangladesh (Mitu & Alam 2016) but was smaller co mpared to another study of wetland of Baru ipur, West Bengal, India (Gupta & Banerjee 2013). It is probable that these differences are due to the water quality parameters, areas (shallow waters) and fishing gears used that limit the access to individuals of large size.…”

Section: Discussioncontrasting

confidence: 54%

“…Using histological criteria in this study, length at first maturity has been determined for this species at the value of 7.9 cm L T . Similarly, L T50 to be at the value of 8.9 cm L T and L T95 at the value of 11.1 cm L T , a value obviously lower than the values for Mystus tengara in wetland of West Bengal, India reported by Gupta and Banerjee (2013). This reflects the existence of natural variations in length at maturity (i.e.…”

Section: Discussionmentioning

confidence: 64%

“…Qayyum, 1961;Bhatt, 1971aBhatt, , 1971bRao & Sharma, 1984;Roy & Hossain, 2006;Musa & Bhuiyan, 2007). Rastogi and Saxena (1968), Gupta and Banerjee (2013) and Guraya, Kaur and Saxena (1975) have studied on Mystus tengara ovary. But to date, comprehensive studies are limited on microscopic observation of the oocyte development of Mystus tengara.…”

Section: Introductionmentioning

confidence: 99%

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Mitu¹

2017

Turk. J. Fish. Aquat. Sci.

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The present study was the detailed investigation to identify maturity of female Mystus tengara in the Ganges River of Rajshahi (24°22´N; 88°35´ E), northwestern Bangladesh. Specimens (n = 921) were collected monthly from January to December 2015, using cast nets (mesh size = 17 mm) for adults and purse-seine and trap nets (mesh size = 4 mm) for juveniles. Histological analyses of 171 females were performed in which oocyte development was divided into five stages, with the oocyte size range from 33 to 1609 µm in diameter. The ovarian cycle of Mystus tengara was divided into three periods: a long period of early oogenesis (emerging from December but expands to April as the initiation time of early oogenesis for all the oocytes were not similar), a short period of vitellogenesis (February to April) and a spawning period from M ay through July with peak activity in June. Both gonadosomatic (I G ) (up to 16.2%) and hepatosomatic indices (I H ) (up to 3.7%) can be used together to predict the spawning period where the females were observed to spawn in June and July. Total lengths at minimal observed maturity/50% maturity (L T50 )/95% maturity (L T95 ) values were 7.9/8.9/11.1 cm for females. Mystus tengara is likely an asynchronous multiple spawner with indeterminate fecundity .

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Section: Discussioncontrasting

confidence: 54%

Section: Discussionmentioning

confidence: 64%

Section: Introductionmentioning

confidence: 99%

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Mitu¹

2017

Turk. J. Fish. Aquat. Sci.

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“…Abdullahi and Ahmad (2013) reported the predominance of Cyanobacteria and Spirogyra phytoplankton species in Wudil River, which suggest an indication of organic pollution, reflecting human interference to pollute the river. LWR parameters ( and b) and the K value of the fish has been reported to be affected by factors such as feeding intensity, availability of food, fish size, age, sex, season, stage of maturation, fullness of the gut, degree of muscular development, the amount of reserved fat and life history (Bagenal and Tesch, 1978;Ujjania et al, 2012;Gupta and Banerjee, 2015). None of these effective factors on LWR and K in the studied fishes have been considered in the present study.…”

Section: Discussionmentioning

confidence: 99%

Length-weight relationship and condition factor of <i>Clarias gariepinus </i>and <i>Oreochromis niloticus </i>of Wudil river, Kano, Nigeria

Getso¹,

Abdullahi²,

Yola³

2018

Agro-Sci.

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“…Highest feeding activity of M. tengara during the pre-spawning season (March to May) and lowest feeding activity during the intense breeding season (June to August) has been reported from freshwater environment [47,9]. [48].…”

Section: Order Of Dominance Of Planktonic Groups In the Ambientmentioning

confidence: 99%

Growth Performance, Feeding Ecology and Prey Preference of Bagrid Catfish, Mystus tengara (Hamilton, 1822) in Low Saline Polyculture Ponds of Indian Sundarbans

Mondal¹,

Sundaray²,

Bhattacharyya³

et al. 2017

Int J Aquac Fish Sci

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Growth performances, feeding ecology and prey preferences of Must us tengara (Hamilton, 1822) reared in low saline homestead traditional polyculture ponds in Sundarbans were studied for 12 months. Mixed carp early fi ngerlings (4.98±0.61 cm, 1.09±0.26 g) @ 14000 nos ha-1 and wild collected mixed bagrid catfi sh juveniles (5.09±0.48 cm, 1.38±0.11 g) including M. tengara were stocked @ 5000 juveniles ha-1. Farm yard manure @ 200 kgha-1 was applied monthly and household dining wastes (11.37±2.08 kgha-1day-1) were thrown in the ponds almost daily following traditional practice. Fishes attained 31.56±2.08 g (13.92±0.88 cm) with specifi c growth rate of 0.95±0.15 % day-1 and exponent value of Length-Weight Relationship (b=2.99) indicated isometric growth. Numeric order of dominance of prey groups in water were Chlorophyceae, Myxophyceae, Bacillariophyceae, Insect parts and larvae, Copepods, Rotifers and Cladoceran, Fish parts and larvae, unidentifi ed materials and Crustacean parts. Whereas, order of dominance of prey groups in stomach were Insect parts and larvae, Copepods, Myxophyceae, Rotifers and Cladoceran, Fish parts and larvae, Bacillariophyceae, Chlorophyceae, Crustacean parts and unidentifi ed materials. Prey electivity analysis indicated signifi cant active selection of Insect parts and larvae (E= +0.36±0.06) and Copepods (E= +0.30±0.12). Crustacean parts, Rotifers and Cladocera and Fish parts and larvae were also positively selected but were not signifi cant. This study reveals that M. tengara is a carnivorous fi sh mostly preferring Insect larvae and Copepods. M. tengara can be added in low saline polyculture ponds to improve profi tability and can be considered as a biological tool for Insect control.

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Fecundity Estimation of Mystus tengara (Ham.-Buch., 1822), A Freshwater Catfish from West Bengal, India

Cited by 28 publications

References 6 publications

Untitled

Untitled

Length-weight relationship and condition factor of <i>Clarias gariepinus </i>and <i>Oreochromis niloticus </i>of Wudil river, Kano, Nigeria

Growth Performance, Feeding Ecology and Prey Preference of Bagrid Catfish, Mystus tengara (Hamilton, 1822) in Low Saline Polyculture Ponds of Indian Sundarbans

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