''Stomias gracilis'' is a species of deep-sea

mesopelagic fish Pelagic fish live in the pelagic zone of ocean or lake waters—being neither close to the bottom nor near the shore—in contrast with demersal fish that live on or near the bottom, and reef fish that are associated with coral reefs. ...

in the genus ''

Stomias ''Stomias'' is a genus of barbeled dragonfishes. They live in the mesopelagic zone of all oceans and show diel vertical migration and sexual dimorphism (males are smaller, have larger eyes and larger postorbital photophores than females. Specie ...

''. The species has been documented in the

Southern Ocean The Southern Ocean, also known as the Antarctic Ocean, comprises the southernmost waters of the world ocean, generally taken to be south of 60th parallel south, 60° S latitude and encircling Antarctica. With a size of , it is the seco ...

, and fully-grown adults can reach a maximum length of ~.

References

Stomiidae Fish of the Southern Ocean Fish described in 1933 {{Stomiiformes-stub