(1) Meanwhile, resection of Eyestalk can also promote pre- spawning.

(2) The 2nd ecdysis larvae appeared eyestalk, the 4th pereiopod was recognized as a faint swelling and the1st, 2nd pereiopod had 6,6 pairs of natatory setae on the exopod respectively.

(3) Its inflict moderate wounds eyestalk would then not be usable for the next 3 rounds.

(4) The results show that hormone in the eyestalk of prawns can inhibit the progesterone effect on the ovary development of M. nipponesis .

(5) Chromatophore activity in relation to temperature and eyestalk extract concentration. Proc. Zool.

(6) The results showed that there was no species difference of eyestalk extraction, ethanol had the function of restraining to body colour.

(7) We inject varied densities and quantities of extractions of the shrimps's eyestalk to the body of shrimps placed in different environments on which different colored lights shine .