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Schismatogobius alleni Keith, Lord & Larson, 2017 |
| Family: | Gobiidae (Gobies), subfamily: Gobionellinae | |||
| Max. size: | 2.76 cm SL (male/unsexed); 3.33 cm SL (female) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Oceania: Northern Papua New Guinea. | |||
| Diagnosis: | 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). | |||
| Biology: | Occurs in streams with moderate flow in shallow areas of gravel (Ref. 116768). | |||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 03 December 2019 Ref. (130435) | |||
| Threat to humans: | harmless | |||