kaianus, Callionymus Günther [A.] 1880:44, Pl. 19 (fig. B) [Report on the shore fishes procured during the voyage of H. M. S. Challenger in the years 1873-1876 v. 1 (pt 6); ref. 2011] Kai Islands, Indonesia, Banda Sea, Challenger station 192, depth 129 fathoms. Holotype (unique): BMNH 1879.5.14.565. May use Callionymus or Bathycallionymus; authors differ. •Valid as Bathycallionymus kaianus (Günther 1880) -- (Nakabo in Masuda et al. 1984:343 [ref. 6441], Nakabo 2000:1125 [ref. 25182], Shinohara et al. 2001:330 [ref. 25995], Nakabo 2002:1125 [ref. 26193], Choi et al. 2003:390, 651 [ref. 26218], Shinohara et al. 2005:438 [ref. 28370], Iwatsubo & Motomura 2010:67 [ref. 31555], Kim et al. 2020:167 [ref. 39118] misidentified). •Valid as Callionymus kaianus Günther 1880 -- (Lindberg & Krasyukova 1975:214 [ref. 7348], Fricke 1982:62 [ref. 5432], Fricke 1983:170 [ref. 8349], Chen et al. 1997:149 [ref. 26476] with data as 1879, Fricke 1998:5 [ref. 23952], Fricke 2001:3554 [ref. 26292], Fricke 2002:26 [ref. 26547], Fricke & Golani 2013:279 [ref. 32697], Fricke et al. 2014:13 [ref. 33442], Fricke 2016:48 [ref. 34468], Matsunuma & Tashiro 2020:151 [ref. 37726]). Current status: Valid as Callionymus kaianus Günther 1880. Callionymidae. Distribution: Western Pacific: Kai Islands (Maluku, Indonesia). Habitat: marine.