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- Title
Embryonic and larval development of honeycomb grouper Epinephelus merra Bloch.
- Authors
Jagadis, I.; Ignatius, Boby; Kandasami, D.; Khan, Md Ajmal
- Abstract
Spawning and successful rearing of larvae of honeycomb grouper Epinephelus merra Bloch 1793 upto juvenile stage was accomplished at the finfish hatchery of Mandapam Regional Centre of Central Marine Fisheries Research Institute during 2004. The fertilized eggs were free, spherical and buoyant with size ranging from 710 to 730 μm. Complete early embryonic development took place within 24-27 h and hatching occurred. The hatchlings measured 1.5 mm. Mouth opening (115 μm) appeared at 72 h when the larvae were 2.2 mm in size. Pectoral fin developed on the fifth day. Complete metamorphosis took place and by the 60th day the larvae transformed into juveniles (45 mm) and attained skin colouration and honeycomb pattern.
- Subjects
FISH farming; INCUBATION of fish eggs; FISH hatcheries; RESEARCH institutes; LARVAE; FINS (Anatomy); MARINE invertebrates -- Metamorphosis; PATTERN formation (Biology); DEVELOPMENTAL biology
- Publication
Aquaculture Research, 2006, Vol 37, Issue 11, p1140
- ISSN
1355-557X
- Publication type
Article
- DOI
10.1111/j.1365-2109.2006.01538.x