Observations on the reproductive biology of female Hypostomus luetkeni Lacepede 1803 (original) (raw)

Ecology of Freshwater Fish, 1997

Abstract

— Seasonal observations in the gonadosomatic index and development stages of female ovaries showed that Hypostomus luetkeni has an extended spawning period lasting from September to February. Histological examinations and analysis of oocyte size distributions indicated a fractional spawning. Fecundity was determined in ripe ovaries and indicated that H. luetkeni, as most other Loricariidae, spawn a small number (446‐936 eggs‐ind−1) of large eggs (5.2 mm).

Erica Caramaschi hasn't uploaded this paper.

Let Erica know you want this paper to be uploaded.

Ask for this paper to be uploaded.