Periophthalmus malaccensis

photo by Polgar, G.

Family:	Oxudercidae (Mudskippers), subfamily: Periophthalminae
Max. size:	9 cm SL (male/unsexed)
Environment:	demersal; freshwater; brackish; marine, amphidromous
Distribution:	Western Pacific: Singapore (type locality), Indonesia and the Philippines.
Diagnosis:	Distinguished by the following characteristics: pelvic frenum prominent; pelvic fins partially united by basal membrane; D 1 height moderate, its margin slightly rounded, a brown stripe inframarginally with numerous white spots proximally, first spine elongate; D2 with single dusky stripe mesially; dorsal fins not connected by membrane; D 1 with 9-10 spines; longitudinal scale count 47-61; head width 14.3-19.5% SL; pelvic fin length 13.6-16.1 % SL; length of anal fin base 15.4-20.6% SL; length ofD2 base 17.0-23.2% SL; total D2 elements 11-12; total anal fin elements 11-12; TRDB 14-17 (Ref. 5218).
Biology:	Amphibious air-breather (Ref. 31184).
IUCN Red List Status:	Data deficient (DD); Date assessed: 10 August 2020 Ref. (130435)
Threat to humans:	harmless
Country info:	In Ref. 5218.

Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.