Kagawa et al, 1983


Kagawa, H. and Young, G. and Y., Nagahama. (1983) Changes in plasma steroid hormone levels during gonadal maturation in goldfish, Carassius auratus. Bull. Japan. Soc. Sci. fish., pp. 1783-1787

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Carassius auratus Female Oocyte development Asynchronous Asynchronous
Carassius auratus Female Onset of oogenesis December [GSI increased slowly from December to February, from 3.9 ±0.7 to 5.2 ± 1.0) ['January', 'February', 'December']
Carassius auratus Female Intensifying oogenesis activity March until April [GSI rapidly increased in March, and after the first ovulation second important increase in April] ['March', 'April']
Carassius auratus Female Maximum GSI value 18.7 ± 0.8 (April 30) 18.7 percent