Wrestling Halfbeak (Dermogenys pusilla)

Fish in the family Zenarchopteridae. Moderate care. Freshwater.

Wrestling Halfbeak

Quick facts

Scientific nameDermogenys pusilla
FamilyZenarchopteridae
Also known asMalayan Halfbeak, Wrestling Halfbeak, Pygmy Halfbeak
Care levelModerate
Reef safetyFreshwater
TemperamentSemi Aggressive
DietCarnivore
Adult size2.8 in
Minimum tank size20 gallons
Water parametersTemp 72-82°F, pH 7.0-8.0, GH 10-25 dGH

Appearance

Slender, silvery surface fish with an elongated needle-like lower jaw (the 'half beak'). Males smaller with red or black fin markings.

Difficulty and care for the Wrestling Halfbeak

Moderate

Origin and habitat

Southeast Asia

Keeper notes

Males 'wrestle' by locking their long lower jaws; can injure each other in small groups. Surface-dwelling and a strong jumper — a tight lid is essential.

Log Wrestling Halfbeak in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Wrestling Halfbeak alongside everything else in your reef.