The longtail cusk (''Brosmolus longicaudus'') is a

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

viviparous brotula The viviparous brotulas form a family, the Bythitidae, of ophidiiform fishes. They are known as viviparous brotulas as they generally bear live young, although there are indications that some species (at least '' Didymothallus criniceps'') do n ...

native to the

reef A reef is a ridge or shoal of rock, coral or similar relatively stable material, lying beneath the surface of a natural body of water. Many reefs result from natural, abiotic component, abiotic processes—deposition (geology), deposition of ...

s around Australia. This species grows to a length of SL. It is a benthic species likely living in inshore waters around the Indio-Pacific with hard substances, though its depth range is unknown. Specimens have been obtained from four locations in northern Australia (Umbanganan Island, Kalumburu,

Shoal Bay In oceanography, geomorphology, and geoscience, a shoal is a natural submerged ridge, bank, or bar that consists of, or is covered by, sand or other unconsolidated material and rises from the bed of a body of water to near the surface. ...

and

Sweers Island Sweers Island is an island in the South Wellesley Islands in the Gulf of Carpentaria, Queensland, Australia. Privately owned via a perpetual lease and with the only residents being the owners and workers at the resort, the island is within t ...

) and one in southern

Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...

(

Daru Island Daru Island is an island in the Western Province of Papua New Guinea. It is one of the Torres Strait Islands. The eponymous town on the island is the capital of the province, and houses the vast majority of the island's population of 20,524 (20 ...

). It is classified as Least Concern (LC) by the IUCN; no threats or population data are known.

References

* Bythitidae Monotypic fish genera Marine fish of Northern Australia longtail cusk {{Bythitidae-stub