绿色太阳鱼的生物学习性.pdf

Chinese Journal of Zoology 2006,41(2) : 15~ 23 ¹ º ¹ 郑惠芳 林 岗 覃志彪 ( ¹ 530005; º 530031) : ( L ep omis cyanellus ) : W = 01 375 3L 31194 9, 135~ 180 , , , : Y= 01551 2+ 01 252 3 X , 260 Pg, 950e #h. : ; ; ; ; : Q958 :A : 0250-3263( 2006) 02- 15-09 Biology Habit of Lep omis cyanellus ¹ º ¹ ZHENG Hu-i ang LIN Gang QIN Zhi-Biao ( ¹ College of A nimal Science and Technol ogy , Guangx i Universi y , N anning 530005; ºKej ia Farm of Fish Cul iva ion and Exp erimen , Guangx i Old Science A ssoci a ion , Nanning 530031, China) Abstract:The feeding habit, living habit, adaptability to environment, growth and reproductive habit of Lep omis cy anellus culturedwere observed. L . cyanellus is primary carnivores. They were able to adapt to a wide range of temperature. The equation of relationship between the body length ( L ) and body weight ( W) was W = 01357 3L 31194 91 The body size of male was larger than that of female. They reachedto their first maturity at 135- 180 days old, and produced spawnsmany times in one breeding period. The fertilized eggs were demersal and adhesive. A positive linear relation was found between the absolute fecundity( Y) and body weight( X ) : Y = 01 5512+ 01252 3X . The average relative fecundity was 260 eggsPg. The accumulative temperature in embryo development period was 950 e #h. Key words: L ep omis cyanellus ; Biology habit; eeding habit; Growth; Reproduction ( L ep omis cyanellus ) , [ 1] 1 ( L . ( 112 m) macrochirus) , , , [ 2,3]