| 1. | " both species of fish are being caught in substantial numbers through directed fisheries and as bycatch , but they are extremely vulnerable to exploitation , due to their slow growth , low reproductive rate , long gestation periods , and late maturity . 这两个品种被人类大量猎杀,又经常成为间接渔获,加上其生长速率缓慢繁殖力低怀孕期长及迟熟,极易受滥捕的威胁。 |