关键词: 关键词：美洲黑石斑, 亲鱼培育, 人工繁殖, 胚胎发育, 苗种培育, Keywords: Centropristis Striata, broodstocks rearing, artificial breeding, embryonic development, fry cultivating

Abstract: Abstract: In order to develop the artificial propagation techniques of Centropristis Striata，the broodstocks rearing, artificial propagation，embryonic development and larval rearing of Centropristis Striata were studied in this paper.The results showed that the broodstock survival rate was 82.6%.The were 7 batches of eggs and 15 million eggs which the diameter of fertilized eggs was 0.90 ~ 1.20 mm(mean 0.98 mm ) and 1 the oil globules . The fertilization rate was 76.50% .After hatching ,there were 8.6 million larval which the hatched rate was74.94%.Based on the external morphological features, six periods including 21 stages of Centropristis Striata embryo are established, which are cleavage period, blastula period, gastrula period, neural period, organogenesis period and hatching period.The time for embryonic development of Centropristis Striata was 26-40 h in the sea water with temperature 18-26℃, salinity 28-31.0 and pH 7.8-8.2. The weight length of juvenile was 4.5cm in indoor concrete ponds by 2 months of intensive training,and the germination rate was 9.31%.