FAMILY Plesiopidae Günther, 1861 - roundheads, longfins SUBFAMILY Acanthoclininae Günther, 1861 - spiny basslets GENUS Acanthoclinus Jenyns, 1841 - spiny basslets [=Acanthoclinus Jenyns [L.], 1841:91, Taumakoides (subgenus of Acanthoclinus) Whitley [G. P.], 1955:111] Notes: [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Masc. Acanthoclinus fuscus Jenyns, 1842. Type by original designation. Mooi 1993 [ref. 21801] places the Acanthoclinidae as a subfamily of the Plesiopidae. Type by original designation (also monotypic, second species questionably included). •Valid as Acanthoclinus Jenyns, 1841 -- (Hardy 1985:360 [ref. 5184], Smith-Vaniz & Johnson 1990:223 [ref. 16561], Mooi 1993:322 [ref. 21801], Yerman & Leis 2011:79 [ref. 31400], Stewart 2015:1208 [ref. 34196]). Current status: Valid as Acanthoclinus Jenyns, 1841. Plesiopidae: Acanthoclininae. (Taumakoides) [Australian Zoologist v. 12 (pt 2); ref. 4722] Masc. Acanthoclinus trilineatus Griffin, 1933. Type by original designation (also monotypic). •Valid as Taumakoides Whitley, 1955 -- (Hardy 1985:364 [ref. 5184]). •Synonym of Acanthoclinus Jenyns, 1841 -- (Smith-Vaniz & Johnson 1990:223 [ref. 16561]). Current status: Synonym of Acanthoclinus Jenyns, 1841. Plesiopidae: Acanthoclininae. Species Acanthoclinus fuscus Jenyns, 1841 - olive rockfish [=Acanthoclinus fuscus Jenyns [L.], 1841:92, Pl. 18 (fig. 2), Acanthoclinus taumaka Clarke [F. E.], 1879:293, Pl. 15 (upper right)] Notes: [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Bay of Islands, New Zealand. Current status: Valid as Acanthoclinus fuscus Jenyns, 1841. Plesiopidae: Acanthoclininae. Distribution: New Zealand. Habitat: marine. (taumaka) [Transactions and Proceedings of the New Zealand Institute v. 11 (art. 25) (for 1878); ref. 18006] Jackson's Bay, New Zealand. Current status: Synonym of Acanthoclinus fuscus Jenyns, 1841. Plesiopidae: Acanthoclininae. Habitat: marine. Species Acanthoclinus littoreus (Forster, in Bloch & Schneider, 1801) - New Zealand rockfish [=Blennius littoreus Forster [J. R.], in Bloch & Schneider, 1801:177, Blennius quadridactylus Bloch [M. E.] & Schneider [J. G.], 1801:177, Acanthoclinus trilineatus Griffin [L. T.] 1933:332, Pl. 34 (bottom)] Notes: [M. E. Blochii, Systema Ichthyologiae; ref. 471] New Zealand. Current status: Valid as Acanthoclinus littoreus (Forster, 1801). Plesiopidae: Acanthoclininae. Distribution: New Zealand and offshore islands. Habitat: marine. (quadridactylus) [M. E. Blochii, Systema Ichthyologiae; ref. 471] New Zealand. Current status: Synonym of Acanthoclinus littoreus (Forster, 1801). Plesiopidae: Acanthoclininae. Habitat: marine. (trilineatus) [Transactions New Zealand Institute v. 63; ref. 16491] Deep-Water Cove, Bay of Islands, New Zealand. Current status: Synonym of Acanthoclinus littoreus (Forster, 1801). Plesiopidae: Acanthoclininae. Habitat: marine. Species Acanthoclinus marilynae (Hardy, 1985) - stout rockfish [=Taumakoides marilynae Hardy [G. S.], 1985:370, Fig. 7] Notes: [New Zealand Journal of Zoology v. 11; ref. 5184] Scorching Bay, Wellington, New Zealand. Current status: Valid as Acanthoclinus marilynae (Hardy, 1985). Plesiopidae: Acanthoclininae. Distribution: New Zealand. Habitat: marine. Species Acanthoclinus matti (Hardy, 1985) - Matt's spiny basslet [=Taumakoides matti Hardy [G. S.], 1985:373, Fig. 8] Notes: [New Zealand Journal of Zoology v. 11; ref. 5184] Sentinal Rock, Cook Strait, outer Marlborough Sounds, New Zealand, depth 17 meters. Current status: Valid as Acanthoclinus matti (Hardy, 1985). Plesiopidae: Acanthoclininae. Distribution: New Zealand and offshore islands. Habitat: marine. Species Acanthoclinus rua (Hardy, 1985) - little rockfish [=Taumakoides rua Hardy [G. S.], 1985:367, Fig. 6] Notes: [New Zealand Journal of Zoology v. 11; ref. 5184] Off Barrett's Reef, Wellington harbor entrance, New Zealand, depth 12 meters. Current status: Valid as Acanthoclinus rua (Hardy, 1985). Plesiopidae: Acanthoclininae. Distribution: New Zealand and offshore islands. Habitat: marine. GENUS Acanthoplesiops Regan, 1912 - spiny basslets [=Acanthoplesiops Regan [C. T.], 1912:266] Notes: [Annals and Magazine of Natural History (Series 8) v. 10 (no. 57); ref. 3646] Masc. Acanthoclinus indicus Day, 1888. Type by monotypy. Mooi 1993 [ref. 21801] places the Acanthoclinidae as a subfamily of the Plesiopidae. •Valid as Acanthoplesiops Regan, 1912 -- (Hayashi in Masuda et al. 1984:142 [ref. 6441], Hardy 1985:381 [ref. 5184], Smith 1986:541 [ref. 5712], Smith-Vaniz & Johnson 1990:233 [ref. 16561], Mooi 1993:322 [ref. 21801], Mooi 1999:2580 [ref. 24831], Mooi & Gill 2004:2 [ref. 27574], Mooi & Gill 2004:181 [ref. 27890], Yerman & Leis 2011:79 [ref. 31400], Gill et al. 2013:216 [ref. 33020]). Current status: Valid as Acanthoplesiops Regan, 1912. Plesiopidae: Acanthoclininae. Species Acanthoplesiops cappuccino Gill et al., 2013 - cappuccino spiny basslet [=Acanthoplesiops cappuccino Gill [A. C.], Bogorodsky [S. V.] & Mal [A. O.], 2013:217, Figs. 1-2] Notes: [Zootaxa 3750 (no. 3); ref. 33020] Saudi Arabia, Jeddah, Sharm Obhur, 21°42'30"N, 39°05'44"E. Red Sea, depth 17 meters. Current status: Valid as Acanthoplesiops cappuccino Gill, Bogorodsky & Mal, 2013. Plesiopidae: Acanthoclininae. Distribution: Red Sea endemic. Habitat: marine. Species Acanthoplesiops echinatus Smith-Vaniz & Johnson, 1990 - echinatus spiny basslet [=Acanthoplesiops echinatus Smith-Vaniz [W. F.] & Johnson [G. D.], 1990:239, Figs. 1H, 2H, 11] Notes: [Proceedings of the Academy of Natural Sciences of Philadelphia v. 142; ref. 16561] Ambon Bay, Ambon, Molucca Islands, Indonesia, 3°43'S, 128°04.5'E, depth 8 meters. Current status: Valid as Acanthoplesiops echinatus Smith-Vaniz & Johnson, 1990. Plesiopidae: Acanthoclininae. Distribution: Indonesia and Philippines. Habitat: marine. Species Acanthoplesiops hiatti Schultz, in Schultz et al., 1953 - Hiatt's basslet [=Acanthoplesiops hiatti Schultz [L. P.], in Schultz et al., 1953:407, Fig. 68] Notes: [Bulletin of the United States National Museum No. 202, v. 1; ref. 3975] Ocean reef in surf off Eniwetok Island, Rongerik Atoll, western Pacific. Current status: Valid as Acanthoplesiops hiatti Schultz, 1953. Plesiopidae: Acanthoclininae. Distribution: Western Pacific: Indonesia and Philippines to Marshall Islands. Habitat: marine. Species Acanthoplesiops indicus Day, 1888 - scottie [=Acanthoclinus indicus Day [F.], 1888:264] Notes: [Proceedings of the Zoological Society of London 1888 (pt 3) (art. 4) (for 1 May 1888); ref. 14480] Madras, India. Current status: Valid as Acanthoplesiops indicus (Day, 1888). Plesiopidae: Acanthoclininae. Distribution: Western Indian Ocean. Habitat: marine. Species Acanthoplesiops naka Mooi & Gill, 2004 - naka spiny basslet [=Acanthoplesiops naka Mooi [R. D.] & Gill [A. C.], 2004:3, Figs. 1-2] Notes: [Zootaxa No. 432; ref. 27574] Ofolanga Island, Ha' Apai Group, Tonga, 19°36'15"S, 174°28'15"W, off southwestern side of island, depth 21-32 meters. Current status: Valid as Acanthoplesiops naka Mooi & Gill, 2004. Plesiopidae: Acanthoclininae. Distribution: Tonga. Habitat: marine. Species Acanthoplesiops psilogaster Hardy, 1985 - Hardy's spiny basslet [=Acanthoplesiops psilogaster Hardy [G. S.], 1985:384, Fig. 13] Notes: [New Zealand Journal of Zoology v. 11; ref. 5184] Cut between large outstanding rock and Ch'uan-fan-shih, southern Taiwan. Current status: Valid as Acanthoplesiops psilogaster Hardy, 1985. Plesiopidae: Acanthoclininae. Distribution: Western Pacific: Philippines, Taiwan, Ryukyu Islands (southern Japan) and Japan. Habitat: marine. GENUS Beliops Hardy, 1985 - spiny basslets [=Beliops Hardy [G. S.], 1985:378] Notes: [New Zealand Journal of Zoology v. 11; ref. 5184] Masc. Beliops xanthokrossos Hardy, 1985. Type by original designation (also monotypic). Mooi 1993 [ref. 21801] places the Acanthoclinidae as a subfamily of the Plesiopidae. •Valid as Beliops Hardy, 1985 -- (Paxton et al. 1989:528 [ref. 12442], Smith-Vaniz & Johnson 1990:229 [ref. 16561], Mooi 1993:322 [ref. 21801], Gomon et al. 1994:558 [ref. 22532], Mooi 1999:2580 [ref. 24831], Mooi & Gill 2004:181 [ref. 27890], Hoese & Gates 2006:1050 [ref. 28997], Mooi 2008:550 [ref. 30652], Yerman & Leis 2011:79 [ref. 31400]). Current status: Valid as Beliops Hardy, 1985. Plesiopidae: Acanthoclininae. Species Beliops batanensis Smith-Vaniz & Johnson, 1990 - Batan spiny basslet [=Beliops batanensis Smith-Vaniz [W. F.] & Johnson [G. D.], 1990:232, Figs. 1F-2F, 7-8] Notes: [Proceedings of the Academy of Natural Sciences of Philadelphia v. 142; ref. 16561] Chawa Point, Batan Island, Batanes Province, Philippines, 20°25'45"N, 121°56'40"E, depth 9-12 meters. Current status: Valid as Beliops batanensis Smith-Vaniz & Johnson, 1990. Plesiopidae: Acanthoclininae. Distribution: Western Pacific. Habitat: marine. Species Beliops xanthokrossos Hardy, 1985 - Hardy's beliops [=Beliops xanthokrossos Hardy [G. S.], 1985:378, Fig. 10] Notes: [New Zealand Journal of Zoology v. 11; ref. 5184] Kingston Reef, Rottnest Island, Western Australia, depth 8 meters. Current status: Valid as Beliops xanthokrossos Hardy, 1985. Plesiopidae: Acanthoclininae. Distribution: Australia: South Australia and Western Australia. Habitat: marine. GENUS Belonepterygion McCulloch, 1915 - spiny basslets [=Belonepterygion McCulloch [A. R.], 1915:51, Calliblennius Aoyagi [H.], 1954:213 [37], Ernogrammoides Chen [J. T. F.] & Liang [Y.-S.], 1948:32] Notes: [Memoirs of the Queensland Museum v. 3; ref. 2943] Neut. Acanthoclinus fasciolatus Ogilby, 1889. Type by original designation (also monotypic).