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 Species of Coryphaenoides in Taiwan 1a. V rays 7 or 8; a greatly elongated spinous 1D ray, usually more than 1.5 times HL C. microps 1b. V rays 9–12; spinous 1D ray much less than 1.5 times HL........................... 2 2a. Mouth large, upper jaw extends to below posterior margin of orbit or beyond; barbel 10–23% of HL............................................................... C. rudis 2b. Mouth moderate to small, upper jaw not extending beyond posterior 1 ⁄ 3 of orbit; barbel 6–14% of HL.................................................................... 3 3a. Interorbital space much smaller than orbit (about 1.3 into); GR-I (inner series) 9–10 total; snout acutely pointed; preopercle ridge forming acute, lobelike angle posteroventrally.. C. nasutus 3b. Interorbital space much larger than orbit (about 0.7 into); GR-I (inner series) about 7 total; snout rather bluntly pointed; preopercle ridge forming shallow rounded lobe posteroventrally................................................................. C . cf. asper