The eggs are demersal at first, gradually becoming buoyant. Early-stage larvae remain in surface and sub-surface waters and are strongly phototactic. The larvae begin to feed three days after hatching, while their yolk sacs persist.

Jul 23, 2022 · Figure:Embryonic development of Catla fish: fertilized egg- (a) newly formed bastodisk; (b) 2-cell phase; (c) 4-cell phases; (d) 8-cells phase; (e) 16-cells phase; (f) Morula phase; (g) Yolk plug phase, embryo; (h) Yolk plug elongation phase; …

Mar 19, 2023 · The eggs were obtained through induction of spawning by use of hormones. At fertilization; the eggs were 0.50 mm in diameter.

Catla (Labeo catla; Bengali: কাতলা, romanized: kātlā) also known as the major South Asian carp, is an economically important South Asian freshwater fish in the carp family Cyprinidae.

environmental factors will affect the process of eggs and larval development like, fertilized egg, cleavage, morula, blastula, gastrula, embryonic body formation. In this review article

Dec 22, 2019 · • Catla is a surface feeder. • Adults feed on zooplankton but young ones on both zooplankton and phytoplankton. • Catla attains sexual maturity at an average age of two years and an average weight of 2 kg. • Egg laying capacity of per kg of catla is 1-1.50 lak h • Breeding season is June- July

The eggs produced by female Bhakur are spherical, non-floating and non-adhesive. The diameter of fertilized swollen eggs of Bhakur was reported to be 5.3-6.5 mm (Mookerjee, 1945) but in the present study; diameter of the fully swollen egg was 4.5 mm.

Stripped eggs of L. rohita and C. catla were fertilized easily by the milt of C. carpio (Alikunhi and Chaudhuri, 1959). The IMC eggs, through the process of water hardening, swell to the size of 4–6 mm in diameter, are nonadhesive and demersal, with an incubation period of 15–18 h at a temperature range of 26–31°C.

Aug 13, 2024 · Its main breeding period is Rainy season. Its eggs fertility is 80000 to 150000 eggs per kilogram. In general the Catla fish has a capacity to lay eggs 125000 per kilogram.

If the availability of catla seed increases and if growth rates can be further improved through genetic enhancement, the contribution of catla to aquaculture production in the Indian subcontinent will increase, with a decline in the importance of silver carp in …