| Gobiidae (Gobies), subfamily: Gobionellinae |
| 2.76 cm SL (male/unsexed); 3.33 cm SL (female) |
|
demersal; freshwater |
| Oceania: Northern Papua New Guinea. |
|
Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 9-9. Schismatogobius alleni can be distinguished by having the following characters: pectoral fin with 17 rays; pectoral fins banded; membrane in flrst dorsal fin posterior to spine 6 not connected to base of spine of second dorsal fin; transverse row of papillae on midcheek between row D and d; male with ventral surface of head plain brownish with blackish pigment on frenum and pelvic disk; female with ventral surface of head blackish, black pigment surrounding whitish mentum and middle of lower lip; and frenum whitish (Ref.116768). |
| Occurs in streams with moderate flow in shallow areas of gravel (Ref. 116768). |
|
Data deficient (DD); Date assessed: 03 December 2019 Ref. (130435)
|
| harmless |
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