Longfin
Longfin
Family of fishes
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.[2] They are elongated fishes, found in the Indian Ocean and western Pacific Ocean.