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Egyptian Journal of Aquatic Biology and Fisheries
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Afrin et al., R. (2023). Domestication and Inter-Species Interaction of Bangladeshi Native and Exotic Ornamental Fishes in the Captive Condition. Egyptian Journal of Aquatic Biology and Fisheries, 27(1), 349-367. doi: 10.21608/ejabf.2023.287414
Razuana Afrin et al.. "Domestication and Inter-Species Interaction of Bangladeshi Native and Exotic Ornamental Fishes in the Captive Condition". Egyptian Journal of Aquatic Biology and Fisheries, 27, 1, 2023, 349-367. doi: 10.21608/ejabf.2023.287414
Afrin et al., R. (2023). 'Domestication and Inter-Species Interaction of Bangladeshi Native and Exotic Ornamental Fishes in the Captive Condition', Egyptian Journal of Aquatic Biology and Fisheries, 27(1), pp. 349-367. doi: 10.21608/ejabf.2023.287414
Afrin et al., R. Domestication and Inter-Species Interaction of Bangladeshi Native and Exotic Ornamental Fishes in the Captive Condition. Egyptian Journal of Aquatic Biology and Fisheries, 2023; 27(1): 349-367. doi: 10.21608/ejabf.2023.287414

Domestication and Inter-Species Interaction of Bangladeshi Native and Exotic Ornamental Fishes in the Captive Condition

Article 20, Volume 27, Issue 1, January 2023, Page 349-367  XML PDF (423.09 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2023.287414
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Author
Razuana Afrin et al.
Abstract
The domestication, breeding and behavioral study of Bangladeshi native ornamental fishes found in nature are still undocumented.  Therefore, a total of 1550 fishes (Botia dario, Trichogaster fasciata and Mystus tenagra) were collected from the Kushiara River (Sylhet) and the Katial beel (Kishoreganj) to domesticate in captive condition. After acclimatization, around 400 (60%) of the three fishes survived and were used in the experiment. Then, fishes were reared in the modified plastic drums (500L) with inlet and outlet facilities including aeration. Then, behavioral interactions within and between three native and two exotic ornamental fishes Carassius auratus (Goldfish) and Hypostomus plecostomus (Suckermouth) were studied in the aquarium condition. Six different combinations of native and exotic ornamental fishes were kept in the rectangular aquariums (60 × 45 × 45cm) for 21 days, maintaining 85 liters of water and behavioral interactions were observed. The best stocking density of single, two and three species combinations of native fishes were found in 20, 15 (8+7) and 15 (5+5+5), respectively, in the aquarium. Besides, the best stocking density of three native species including single, two exotic species were 14 (4+4+4+2) and 14 (4+4+4+1+1), respectively, in the aquarium.  The exotic species were more active and competitive than the native ornamental fishes. However, three native species can be reared combined with any two and/or combined three species without any abnormalities. Besides, early and regular doses of injection were administered for native ornamental fishes in March to achieve breeding responses but there was no response, rather immature eggs were observed in T. fasciata after dissection. Finally, it can be concluded that three native fishes were partially domesticated in the 500L plastic drum and can be reared in the aquarium as ornamental fish including exotic ornamental fishes. 
Keywords
Bangladesh; Native and exotic ornamental fish; Domestication; Behavioral interaction
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