Species Profile
Wrestling Halfbeak
Dermogenys pusilla
Also known as: Malayan Halfbeak
Livebearerspeaceful
Adult size
2.5″
Minimum tank
20 gal
Temperature
72–82°F
pH
7–8
Schooling
Group of 3+
Water level
top
Diet
Tiny floating pellets, frozen daphnia, fruit flies — surface feeder only
Notes
Slim surface-dweller with a distinctive elongated lower jaw. Males wrestle by locking jaws (hence the name). Livebearer like guppies and mollies. Requires surface foods — sinking pellets are ignored.
Photo: Unknown / Wikimedia Commons · Source · CC-BY-SA-2.5