larvae cultured under total darkness grew very slowly and even negatively , and all died within 12 days. the SGR and survival rate significantly increased with an increase in daylength from 6 to 24 hour
temperature strongly affected the growth and survival of obscure puffer larvae. The total length significantly increased with an increase in temperature from 20 to 29 C at 13 dah and 19 dah,while there was on significant difference in total length between 32 and 26 C at 13 dah or between 32 and 29 C at 19 dah