Sunday 22 July 2012

Goodeidae

Goodeidae Biography

 In Goodeinae, fertilization internal; viviparous; males with the anterior rays of anal fin crowded, shorter, and partly separate from rest of fin (suspected as a primitive gonopodium called pseudophallus). Ovaries partly fused to form a single median organ. Embryos and newborn young usually with ribbonlike structures called trophotaeniae which functions like a placenta. Empetrichthyinae (2 species) ovipar with external fertilization. Body form and feeding habits diverse. Attains 20 cm maximum length.

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae

Goodeidae Videos

No comments:

Post a Comment