Periophthalmus minutus Eggert, 1935
Minute mudskipper
Periophthalmus minutus
photo by Ratmuangkhwang, S.

Family:  Oxudercidae (Mudskippers), subfamily: Periophthalminae
Max. size:  7.8 cm SL (male/unsexed)
Environment:  demersal; brackish; marine
Distribution:  Western Pacific: Andaman Islands, Thailand, Indonesia, Australia, the Philippines and Peninsular Malaysia.
Diagnosis:  Distinguished by the following characteristics: pelvic frenum lacking or only visible with magnification; membrane uniting medial rays of pelvic fin slight to moderate; D1 height moderate, its margin straight to slightly convex, a brown stripe mesially and many white spots proximally, no elongate spines; D2 with single dusky stripe mesially; dorsal fins not connected by membrane; D 1 with 10-17 spines; longitudinal scale count 62-78; head width 14.2-18,9% SL; pelvic fin length 11.6-14.8% SL; length of anal fin base 15.7-19.3% SL; length ofD2 base 20. 1-22.7% SL; totalD2elements 11-13; total anal fin elements 11-12; TRDB 16-19 (Ref. 5218).
Biology:  An intertidal and amphibious air-breather that actively shuttling back and forth between rock pools and air (Ref. 31184).
IUCN Red List Status: Least Concern (LC); Date assessed: 28 June 2018 Ref. (130435)
Threat to humans:  harmless


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