Common Name(s)
Common hatchetfish, silver hatchetfish, river hatchetfish
Scientific Name
Gasteropelecus sternicla
Family
Gasteropelecidae
Origin
Peru, Brazil, Venezuela, Guyana, French Guiana,
Temperament
Peaceful
Maximum Size
1.5 inches
Minimum Tank Size
15/20 gallon (24 x 12 in footprint)
Tank Setup
Looks best in a planted tank with a dark substrate. Needs a tight fitting lid as they will jump out of the tank if given the chance.
Tank Region
Top
Diet
Insectivore. Will eat dried foods but try to feed live foods like mosquito larvae or bloodworms.
Breeding
Unknown
Compatibility
With other small temp-compatible community fish
Ease of Keeping
Intermediate
Care
pH: 6-8; Temperature: 68-82 Fahrenheit
800_19683.jpg

By opencage - http://opencage.info/pics.e/large_19683.asp, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=38753845
Gasteropelecus_sternicla.jpg

By Neale Monks at the English language Wikipedia, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1997497

A schooling fish, so should be kept in groups of 6+ of their own species.

Males are slimmer than females.