The Biobrio 10(1 & 2), 2023

Reproductive performance of selected fresh water ornamental fishes (C. auratus and T. trichopterus)

Saba Parween & Shailendra Kumar

ABSTRACT:

India is the third largest producer of ornamental fish in the world and the fishery sector is a major foreign exchange earner. Ornamental fish breeding is an emerging sector and can be a world - scale opportunity area for fish farmers in India. Nutrition has an important influence on growth and reproductive potential of aquarium fish and various live feed have been used for fish rearing. The short reproductive cycle of aquarium fishes might require continuous availability of right type of broodstock diet. Early larval development depends heavily on yolk nutrients delivered through the brood stock diet. In estimating the reproductive potential of fish, information on sex ratio of fish can be included to determine female spawning biomass. Reproduction in fishes is regulated by both internal mechanisms within the fish and external environmental factors. A proper statistical analysis estimation has been done which supports fish feed must be of good quality to assure high growth rate. The present knowledge on the nutritional requirement of ornamental fishes, cost effective feed, utilization of live feed, formulated feed and specially prepared feed along with the proper maintenance of aquatic environment and also maintenance of good quality and quantity of protein in fish diet have received lesser attention. The experiment was conducted to investigate the effect of alternative formulative feed on reproductive performance (Fecundity, Fertilization Rate, Hatching rate, Gonadosomatic index) of selected fresh water ornamental fishes.

Keywords:    

Ornamental fishes, Fecundity, Fertilization & Hatching rate, Gonadosomatic index

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