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Coyote · 01-15-2003, 03:56 PM

Gonopodium is a stick-like anal fin. For a male livebearer, the anal fin is in fan-shape when it's young. When it grows, the anal fin turns into gonopodium.

01-15-2003, 03:56 PM	#7 (permalink)
Coyote Little Fish Join Date: Nov 2002 Posts: 245	Gonopodium is a stick-like anal fin. For a male livebearer, the anal fin is in fan-shape when it's young. When it grows, the anal fin turns into gonopodium.