Common Name(s)
Black-winged hatchetfish
Scientific Name
Carnegiella marthae
Family
Gasteropelecidae
Origin
Venezuela, Colombia, Brazil
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: 4-7 (unless aquarium bred, then can be higher); Temperature: 75-82 Fahrenheit
Carnegiellamarthae.jpg

By Tsunamicarlos - PD from en:Wikipedia, Public Domain, https://commons.wikimedia.org/w/index.php?curid=800135
Carnegiella_marthae.jpg

By The original uploader was Dulcimerist at English Wikipedia - Transferred from en.wikipedia to Commons by Common Good using CommonsHelper., CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=16376757

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

Females get larger and more round-bodied than males.