Sulistyo et al, 2000


Sulistyo, I. and Fontaine, P. and Rinchard, J. and Gardeur, J.N. and Migaud, H. and Capdeville, B. and Kestemont, P. (2000) Reproductive cycle and plasma levels of steriods in male Eurasian perch Perca fluviatilis. Aquat. Living. Resour., pp. 99-106

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Perca fluviatilis Male Onset of spermatogenesis End of August ['August']
Perca fluviatilis Male Onset of spermatogenesis August ['August']
Perca fluviatilis Male Main spermatogenesis activity September ['September']
Perca fluviatilis Male Maximum GSI value 8.5 ± 1.8 [September] 8.5 percent
Perca fluviatilis Male Spermatogenesis duration 1.5 [The development of the testes occurred within about 6 weeks in end of August and September] 1.5 months
Perca fluviatilis Male Resting period 0.2 ± 0.1 [Late June, July, August) 4.0 months