摘要
瓦氏黄颡鱼成熟卵直径约１．６７ｍｍ，可用激素催产。受精卵圆形、橙黄色，进水膨胀，直径为２．０４ｍｍ。水温在２０～２４．５℃时，胚胎孵化需４９ｈ１５ｍｉｎ。本文还比较讨论了该鱼胚胎和其它鲶类胚胎发育的特点。
The fully matured unfertlized egg of Pseudobagrus vachelli(Richardson)is about1.67 mm, in diameter. The spawning han been successfully induced by injecting hormone. The fertilized eggs of the catfish are spherical and orange-yellowish. The diameter ofwollen egg is 2.04 mm in water. When the water temperature is 20～24.5℃, hatchingthe embryo needs 49 hours and 15 minutes,Some problems relevant to the characters ofthe embryonic development were discussed and the feature of the development of this fishvere compared with those of other catfishes.
出处
《西南农业大学学报（自然科学版）》
CSCD
1995年第5期414-418,共5页
Journal of Southwest Agricultural University
