The longfins, also known as roundheads or spiny basslets, are a family, Plesiopidae, of fishes in the order Perciformes. They are elongated fishes, found in the Indian Ocean and western Pacific Ocean.
In some classifications, the genus Notograptus is split in its own family, Notograptidae, but FishBase is followed here:
Genus Acanthoclinus Jenyns, 1841
Olive rockfish, A. fuscus Jenyns, 1842
New Zealand rockfish, A. littoreus (Forster, 1801)
Stout rockfish, A. marilynae (Hardy, 1985)
A. matti (Hardy, 1985)
Little rockfish, A. rua (Hardy, 1985)
Genus Acanthoplesiops Regan, 1912
A. echinatus Smith-Vaniz & Johnson, 1990
Hiatt's basslet, A. hiatti Schultz, 1953
Scottie, A. indicus (Day, 1888)
A. naka Mooi & Gill, 2004
A. psilogaster Hardy, 1985
Genus Assessor Whitley, 1935
Yellow devilfish, A. flavissimus Allen & Kuiter, 1976
Blue devilfish, A. macneilli Whitley, 1935
A. randalli Allen & Kuiter, 1976
Genus Beliops Hardy, 1985
B. batanensis Smith-Vaniz & Johnson, 1990
B. xanthokrossos Hardy, 1985
Genus Belonepterygion McCulloch, 1915
B. fasciolatum (Ogilby, 1889)
Genus Calloplesiops Fowler and Bean, 1930
Comet, Calloplesiops altivelis (Steindachner, 1903)
Calloplesiops argus Fowler & Bean, 1930.
Genus Fraudella Whitley, 1935
F. carassiops Whitley, 1935
Genus Notograptus
Shark Bay eel-blenny, N. gregoryi Whitley, 1941
Spotted eel blenny, N. guttatus Günther, 1867
N. kauffmani Tyler & Smith, 1970
N. livingstonei Whitley, 1931
Genus Paraplesiops Bleeker, 1875
Alison's blue devil, P. alisonae Hoese & Kuiter, 1984
Eastern blue devil, P. bleekeri (Günther, 1861)
Southern blue devil, P. meleagris (Peters, 1869)
Northern blue devil, P. poweri Ogilby, 1908
Western blue devil, P. sinclairi Hutchins, 1987
Genus Plesiops Oken, 1817
P. auritus Mooi, 1995
P. cephalotaenia Inger, 1955
Crimsontip longfin, P. coeruleolineatus Rüppell, 1835
Bluegill longfin, P. corallicola Bleeker, 1853
P. facicavus Mooi, 1995
P. genaricus Mooi & Randall, 1991
Threadfin longfin, P. gracilis Mooi & Randall, 1991
P. insularis Mooi & Randall, 1991
Spotted longfin, P. multisquamata Inger, 1955
Moustache longfin, P. mystaxus Mooi, 1995
P. nakaharai Tanaka, 1917
Whitespotted longfin, P. nigricans (Rüppell, 1828)
Sharp-nosed longfin, P. oxycephalus Bleeker, 1855
P. polydactylus Mooi, 1995
P. thysanopterus Mooi, 1995
P. verecundus Mooi, 1995
Genus Steeneichthys Allen and Randall, 1985
S. nativitatus Allen, 1997
S. plesiopsus Allen & Randall, 1985
Genus Trachinops Günther, 1861
T. brauni Allen, 1977
T. caudimaculatus McCoy, 1890
T. noarlungae Glover, 1974
Eastern hulafish, T. taeniatus Günther, 1861
