Species Profile
Common Hatchetfish
Gasteropelecus sternicla
Hatchetfishpeaceful
Adult size
2.5″
Minimum tank
20 gal
Temperature
73–81°F
pH
6–7.5
Schooling
Group of 6+
Water level
top
Diet
Floating flake, surface frozen, small live
Notes
Surface-dweller. Needs a tight-fitting lid — strong jumpers.
Photo: Neale Monks / Wikimedia Commons · Source · CC-BY-SA-3.0