Brauhn and McCraren, 1975


Brauhn, J. and McCraren, J. (1975) Ovary maturation in channel catfish. The progressive Fish-culturist, pp. 209-212

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Ictalurus punctatus Female Maximum GSI value Mean of 13.8, range 11.0-19.35 [1 July] 15.175 percent
Ictalurus punctatus Female Resting period An apparent low point in the annual ovarian cycle was reached immediatly after spawning No data
Ictalurus punctatus Female Onset of oogenesis The average GSI increases in midwinter, in November ['February', 'November', 'March', 'January']
Ictalurus punctatus Female Intensifying oogenesis activity June ['June']