Genus Carnegiella

 
 

Blackwing hatchetfish - Black-winged hatchetfish has a convex body.

 
 

Pygmy hatchetfish - The pygmy hatchetfish grows to about 2.

 
 

Marbled hatchetfish - The Marbled Hatchetfish is common in the aquarium industry.

Order : Characiformes
Family : Gasteropelecidae
Genus : Carnegiella