Mills, 1987



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Phoxinus phoxinus Egg Oocyte diameter 1.19-1.46 [Released egg] 1.32 mm
Phoxinus phoxinus Larvae Initial larval size 8.5-10.1 [Not at hatching !] 9.3 mm
Phoxinus phoxinus Female Age at sexual maturity 1-2 [Male and female] 1.5 year
Phoxinus phoxinus Female Length at sexual maturity 5-6 up to 8 [Male and female] 5.5 cm
Phoxinus phoxinus Female Onset of oogenesis October, slight increase then remains constant until february ['October']
Phoxinus phoxinus Female Intensifying oogenesis activity March to May ['March', 'April', 'May']
Phoxinus phoxinus Female Maximum GSI value Mean 20 [early June], but up to 25% 20.0 percent
Phoxinus phoxinus Male Age at sexual maturity 1-2 [Male and Female] 1.5 years
Phoxinus phoxinus Male Length at sexual maturity 5-6 up to 8 [Male and female] 5.5 cm
Phoxinus phoxinus Male Male sexual dimorphism Spawning colours and well-developed tubercles Absent
Phoxinus phoxinus Male Onset of spermatogenesis Mid-February to begining of March ['February', 'March']
Phoxinus phoxinus Male Main spermatogenesis activity March ['March']
Phoxinus phoxinus Male Maximum GSI value 5.5 [Early May] 5.5 percent
Phoxinus phoxinus Male Spermatogenesis duration March-April 3.0 months
Phoxinus phoxinus Male Resting period Almost 0 [From September to February] 6.0 months
Phoxinus phoxinus Spawning conditions Spawning season From April to August ['April', 'May', 'June', 'July', 'August']
Phoxinus phoxinus Spawning conditions Spawning period duration 110 days 110.0 weeks
Phoxinus phoxinus Spawning conditions Spawning release A potential to spawn 7 to 9 batches of eggs Multiple