Plesiopinae is one of two subfamilies 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.

Characteristics

The fish in the subfamily Plesiopinae are relatively small fish, growing to a maximum length of . They have scales on the gill covers and these frequently extend to the top of their heads. The

dorsal fin A dorsal fin is a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom. Many species of animals possessing dorsal fins are not particularly closely related to each other, though through c ...

has between 11 and 15 spines and 6 and 21 soft rays, the anal fin has 3 spines and between 7 and 23 soft rayes while the pelvic fin has a single spine and 4 soft rays.

Genera

The following gerbera are classified under the Plesiopinae: * '' Assessor'' Whitley, 1935 * ''

Calloplesiops ''Collplesiops'' is a genus of ray-finned fish from the family Plesiopidae, the longfins or roundheads. They are found in the Indo-Pacific. Species There are two species currently recognised in the genus ''Calloplesiops'': * '' Calloplesiops ...

'' Fowler & B.A. Bean, 1930 * '' Fraudella'' Whitley, 1935 * '' Paraplesiops'' Bleeker, 1875 * '' Plesiops'' Oken, 1817 * '' Steeneichthys''

Allen Allen, Allen's or Allens may refer to: Buildings * Allen Arena, an indoor arena at Lipscomb University in Nashville, Tennessee * Allen Center, a skyscraper complex in downtown Houston, Texas * Allen Fieldhouse, an indoor sports arena on the Unive ...

& Randall, 1985 * '' Trachinops'' Günther, 1861

References

{{Taxonbar, From=Q21226007 Plesiopidae Fish subfamilies Taxa named by Albert Günther