| Comments |
ESM,fig.S1;depth range; max lengths; 0-1 m; max 3.0 cm SL male; 3.2 cm SL female; Eso-haze; specimens collected from the lower freshwater reaches of the streams, at 50 to 1,300 m from the upper limit of tidal fluctuations; on coarse sand and gravel bottoms of shallow areas (depth usually 5-30 cm) around rapids, a typical habitat was at the ends of the rapids (transitional areas from rapid to pool) with steady flow; usually stays on the bottom and often bury half of their body in the substratum, preferring substrates with free gravel granules which can be moved easily by water flow, and they do not inhabit silty substrates; body markings perfect camouflage on gravel bottom of their habitats, are hard to detect if they remain motionless; occurs with S. ampluvinculus, sometimes with Schismatogobius marmoratus, but the most abundant syntopic species was Rhinogobius nagoyae Jordan and Seale 1906. Other gobies, such as Stiphodon percnopterygionus, Sicyopterus lagocephalus, Glossogobius illimis and Luciogobius ryukyuensis and amphidromous pipefish, Microphis leiaspis, were also frequently observed with Schismatogobius ninja (Ref. 125666). |