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Periophthalmus walailakae Darumas & Tantichodok, 2002 |
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photo by
Devarapalli, P. |
| Family: | Oxudercidae (Mudskippers), subfamily: Periophthalminae | |||
| Max. size: | 11.6 cm SL (male/unsexed); 12.7 cm SL (female) | |||
| Environment: | demersal; brackish | |||
| Distribution: | Eastern Indian Ocean: Andaman coast of southern Thailand to Western Pacific in Singapore. | |||
| Diagnosis: | Dorsal spines (total): 9-10; Dorsal soft rays (total): 10-10; Anal spines: 1-1; Anal soft rays: 8-10. Teeth in both jaws in a single row; snout, isthmus and interorbital region with no scales; frenum strongly prominent; pelvic fins completely joined by membrane for entire length to form a disk; dorsal fins well separated; first dorsal brownish red with a white margin, its margin rounded; second dorsal fin with a black stripe in middle of fin; dark brown and pale yellow spots on head and trunk (Ref. 49729). Caudal fin asymmetrically rounded (Ref. 49729). | |||
| Biology: | Found in mangrove forests (Ref. 49729). Builds burrows 9-13 cm wide and 100-120 cm deep (Ref. 49729). Nocturnal, leaving the burrow to feed in the evening and returning in the morning (Ref. 49729). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 19 March 2024 Ref. (130435) | |||
| Threat to humans: | harmless | |||