A new species of Timorichthys (Ophidiiformes: Bythitidae) from the East China Sea
2013
Nielsen, Jørgen G. | Okamoto, Makoto | Schwarzhans, Werner
A new bythitid fish, Timorichthys angustus, is described on the basis of a single specimen (52 mm in standard length, SL) collected from the East China Sea, Japan. The genus Timorichthys Nielsen and Schwarzhans 2011 was only known from the holotype of the type species Timorichthys disjunctus Nielsen and Schwarzhans 2011 caught in the Timor Sea. The new species differs from T. disjunctus in several characters, such as the pectoral fin peduncle being much longer than its width (vs. equal in T. disjunctus), precaudal vertebrae 22 (vs. 16), total vertebrae 62 (vs. 52), long rakers on the first gill arch 14 (vs. 6), horizontal eye diameter 3.1 % SL (vs. 1.3 % SL), interorbital width 0.8 % SL (vs. 3.3 % SL), posterior mandibular pore absent (vs. present), anterior infraorbital pores 1 (vs. 3), opercular spine not covered by skin (vs. covered by skin), otolith height to thickness 2.5 (vs. 1.8), and head and body light brown in alcohol (vs. dark brown).
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