Jackson and Sullivan, 1995


Jackson, L.F. and Sullivan, C.V. (1995) Reproduction of white perch: the annual gametogenic cycle. Trans. Am. Fish. Soc., pp. 563-577

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Morone americana Female Onset of oogenesis The first significant rise from basal summer occur in November then regularly increase until March ['March', 'July', 'August', 'September', 'November']
Morone americana Female Intensifying oogenesis activity March ['March']
Morone americana Female Maximum GSI value 7.67 ± 0.36 [April] 7.67 percent
Morone americana Female Resting period June to end of October [From May to September, atretic oocytes were found within their ovaries] 7.0 months
Morone americana Female Resting period 0.61 ± 0.04 (Basal summer level between June to October) 6.0 months
Morone americana Male Onset of spermatogenesis It first rose significantly above basal summer values in November ['July', 'August', 'September', 'November']
Morone americana Male Main spermatogenesis activity Two different months: November then March ['March', 'November']
Morone americana Male Maximum GSI value 4.60 ± 0.31 (April) 4.6 percent
Morone americana Male Resting period About 0,2 (Basal summer value: June, July, September) 5.0 months
Morone americana Spawning conditions Parity Females may spawn more than once during an extended spawning season Iteroparous
Morone chrysops Female Onset of oogenesis Onset of vitellogenesis in October ['October']