Double Tail
A variant of Betta (Betta splendens)

Photo: Pharaoh Hound · CC BY-SA 3.0
A betta with a caudal fin split into two distinct lobes, usually on a shorter, deeper body with a broad dorsal fin.
A variant of Betta (Betta splendens)

Photo: Pharaoh Hound · CC BY-SA 3.0
A betta with a caudal fin split into two distinct lobes, usually on a shorter, deeper body with a broad dorsal fin.