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Egyptian Journal of Aquatic Biology and Fisheries
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Van Tran, G., Le Thuy Hoang, L. (2021). Feeding habits and reproductive biology of Onychostoma lepturum from the rivers and streams of A Luoi district, Vietnam. Egyptian Journal of Aquatic Biology and Fisheries, 25(1), 269-278. doi: 10.21608/ejabf.2021.161780
Giang Van Tran; Lan Le Thuy Hoang. "Feeding habits and reproductive biology of Onychostoma lepturum from the rivers and streams of A Luoi district, Vietnam". Egyptian Journal of Aquatic Biology and Fisheries, 25, 1, 2021, 269-278. doi: 10.21608/ejabf.2021.161780
Van Tran, G., Le Thuy Hoang, L. (2021). 'Feeding habits and reproductive biology of Onychostoma lepturum from the rivers and streams of A Luoi district, Vietnam', Egyptian Journal of Aquatic Biology and Fisheries, 25(1), pp. 269-278. doi: 10.21608/ejabf.2021.161780
Van Tran, G., Le Thuy Hoang, L. Feeding habits and reproductive biology of Onychostoma lepturum from the rivers and streams of A Luoi district, Vietnam. Egyptian Journal of Aquatic Biology and Fisheries, 2021; 25(1): 269-278. doi: 10.21608/ejabf.2021.161780

Feeding habits and reproductive biology of Onychostoma lepturum from the rivers and streams of A Luoi district, Vietnam

Article 15, Volume 25, Issue 1, January and February 2021, Page 269-278  XML PDF (783.85 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2021.161780
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Authors
Giang Van Tran; Lan Le Thuy Hoang
Abstract
The present study provides preliminary analysis on the feeding and
reproductive characteristics of Onychostoma lepturum. The gastrointestinal
structure of O. lepturum is long gut with an average RLG value ranges
between 4.94 – 5.05, which is suitable for the herbi-omnivore fish. The food
composition of O. lepturum includes 4 main types, algae, insects,
crustaceans and organic detritus. The difference in the reproductive organs
of males and females are clearly visible. Histological specimens of the
gonads can clearly and accurately distinguish the developmental stages of
the gonads. The maximum GSI values were recorded in April and the GSI
values were the lowest in October for males and females respectively.
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