Synopsis of the Grenadier Fishes (Gadiformes; Teleostei) of Taiwan Author Iwamoto, Tomio Section of Ichthyology, California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, USA; Author Nakayama, Naohide Laboratory of Marine Biology, Faculty of Science, Kochi University, 2 - 5 - 1 Akebono-cho, Kochi, 780 - 8073, Japan; Author Shao, Kwang-Tsao Research Center for Biodiversity, Academia Sinica No. 128, Sec. 2, Academia Road, Nankang, Taipei 115, Taiwan; Author Table, Hsuan-Ching Ho text Proceedings of the California Academy of Sciences 2015 2015-04-15 62 3 31 126 journal article 299670 10.5281/zenodo.11512126 522b8de7-880d-40ca-803e-aa5a3a05c5f6 0068-547X 11512126 Key to the Genera and Species of Bathygadidae in Taiwan 1a. Chin barbel long, greater than half orbit diameter; elongated ray(s) in 1D, P and V ; V 8 (rarely 9).............................................................. 2 ( Gadomus ) 1b. Chin barbel usually absent, if present, length much less than half orbit diameter; usually no greatly elongated rays except in V , and if present, ray extremely fine distally and usually less than HL; V 8–10 (rarely 11)....................................... 4 ( Bathygadus ) 2a. GR-I with blunt tips, 4–6+20–23............................................... 3 2b. GR-I with pointed tips, 6+22–26.................................... G . cf. multifilis 3a. Chin barbel about 3 times or less into HL; pyl. caeca 24–29................. G. magnifilis 3b. Chin barbel about 2 times into HL; pyl. caeca 95–134........................ G. colletti 4a. Gular membranes scaled; orbit width 1.1–1.2 times into interorbital................... 5 4b. Gular membranes wholly naked; orbit width 1.2–2.1 times into interorbital............. 6 5a. V 10 (rarely 11); barbel rarely present; pyl. caeca 12–19................... B. nipponicus 5b. V 9 (rarely 10); rudimentary barbel usually present; pyl. caeca 34–54........... B. garretti 6a.Head bones weak, skin thin and fragile; interorbital width 31–36% HL; pyl. caeca 10–18..................................................................... B. antrodes 6b.Head bones relatively strong, skin usually rather stout and thick; interorbital width 26–30% HL; pyl. caeca 20–22.................................................. B. furvescens