Larval rearing and seed production of silver pompano, Trachinotus blochii

Gomathi, P and Anil, M K and Ambarish, Gop P and Surya, S and Raju, B and Anand, A and Krishna Priya, P M and Shalini, O (2023) Larval rearing and seed production of silver pompano, Trachinotus blochii. In: Winter School on Mariculture Technologies for Income Multiplication, Employment, Livelihood and Empowerment. ICAR-Central Marine Fisheries Research Institute, Kochi, pp. 147-152.

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Abstract

It is generally accepted that the larvae stage of marine fish production is the major ‘bottle neck’ in the development of mariculture. Rearing fish larvae is a challenging part of fish culture because larvae are very sensitive to water quality, have high nutritional requirements and require the use of live feeds. A continuous supply of live or dry feeds and a controlled environment, i.e. temperature, filtration, photoperiod, oxygen and pH, are essential for any experimental or commercial system. For marine fish larvae live zooplankton prey has to be offered because the survival and performance of the larvae is poor on formulated diets. Furthermore, it is common practice to add live or inactivated microalgae to the rearing systems as this has shown to be beneficial for the larvae.

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