This study attempts to observe and record early embryonic developments of the orange mud crab, Scylla olivacea. The period taken by the eggs to hatch was 8 days and the colour of the eggs gradually changed from yellow to brown, gray and dark gray. During the embryonic development, the developing embryos reached the blastula stage within 24 hours with a mean egg diameter of 329.91 µm ± 6.62. The...

The state of art traditional practice mud crab fattening was evaluated in terms technical and economic aspects from 10 randomly selected farms at Paikgacha, Khulna during April to December 2001. Most the farmers fatten lean (empty egg and/or hepatopancreas) female crabs 180-200 g individual biomass that were rejected grading local landing centers for two weeks using low coast tilapia trash fish...