PisciDex Species Profile
Wrestling Halfbeak
Surface-oriented livebearer with a delicate elongated jaw, requiring a covered tank, calm surface space, and careful feeding.
Dermogenys pusilla
Zenarchopteridae | Southeast Asia | Thailand, Malaysia, Singapore, Indonesia, Borneo, and Sumatra
Core Requirements
Tank Size
20 gallons minimum
Adult Size
3 inches
Group Size
Pair/group 4+
Bioload
2/10
Water Parameters
Temperature
75-82 F
pH
6.5-8
Plant Safe
Yes
Invert Safe
No
Data Confidence
medium
Temperature note: Recommended and tolerated temperature ranges currently match the primary care profile.
Behavior & Husbandry
Temperament
Semi-Aggressive
Aggression
4/10
Diet
Carnivore
Difficulty
Advanced
Lifespan
4 years
Breeding
Intermediate
Schooling
No
Compatibility Tags
Semi AggressiveTop WaterPlant SafeHardwater
Similar Species
Species Compatibility
Database-driven compatibility notes for planning community aquariums.