''Steeneichthys'' is a genus of

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or h ...

in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Plesiopidae The longfins, also known as roundheads or spiny basslets, are a family, Plesiopidae, which were formerly placed in the order Perciformes but are now regarded as being ''incertae sedis'' in the subseries Ovalentaria in the clade Percomorpha. They ...

, the

longfin The longfins, also known as roundheads or spiny basslets, are a family, Plesiopidae, which were formerly placed in the order Perciformes but are now regarded as being ''incertae sedis'' in the subseries Ovalentaria in the clade Percomorpha. They ...

s or roundheads.

Species

There are two recognised species in the genus: * ''

Steeneichthys nativitatus ''Steeneichthys'' is a genus of ray-finned fish in the family Plesiopidae, the longfin The longfins, also known as roundheads or spiny basslets, are a family, Plesiopidae, which were formerly placed in the order Perciformes but are now regarded ...

'' Allen, 1987 (Christmas longfin) * '' Steeneichthys plesiopsus'' Allen & Randall, 1985 (Steene's prettyfin)

References

{{Taxonbar, from=Q5105321 Plesiopinae