Caiola et al, 2001



Citation


Caiola, N.A. and Vargas, M.J. and de Sostoa, A.D. (2001) Life history pattern of the endangered Valencia toothcarp, Valencia hispanica (Actinopterygii: Valenciidae) and its implications for conservation. Arch. Hydrobio., pp. 473-489

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Valencia hispanica Egg Oocyte diameter Up to 2.2 [Mature oocytes] 2.2 mm
Valencia hispanica Egg Egg adhesiveness Adhesive Adhesive
Valencia hispanica Female Age at sexual maturity 1+ [Female specified] 1.0 year
Valencia hispanica Female Relative fecundity F=15.735 Lt - 432.91 15.73 thousand eggs/kg
Valencia hispanica Female Onset of oogenesis January-February ['January', 'February']
Valencia hispanica Female Intensifying oogenesis activity March-April ['March', 'April']
Valencia hispanica Female Maximum GSI value A mean of 12% [Up to 14%] in April 12.0 percent
Valencia hispanica Female Oogenesis duration From January until April 5.0 months
Valencia hispanica Female Resting period One period of quiescence: August to December 6.0 months
Valencia hispanica Male Onset of spermatogenesis January ['January']
Valencia hispanica Male Main spermatogenesis activity January ['January']
Valencia hispanica Male Maximum GSI value Up to a mean of 1.8 [Up to 2.3] in March 1.8 percent
Valencia hispanica Male Spermatogenesis duration From January to March 4.0 months
Valencia hispanica Male Resting period From August to December 6.0 months
Valencia hispanica Spawning conditions Spawning season May-July ['May', 'July']
Valencia hispanica Spawning conditions Spawning substrate Plants Phytophils
Valencia hispanica Spawning conditions Spawning release Multiple spawner, releasing a number of batch eggs throughout the reproductive period Multiple
Valencia hispanica Spawning conditions Parity Maximum observed ages were 4+ in females and 3+ in males No category