Parapocryptes serperaster (Richardson, 1846)
Parapocryptes serperaster
photo by Devarapalli, P.

Family:  Oxudercidae (Mudskippers), subfamily: Oxudercinae
Max. size:  23 cm TL (male/unsexed)
Environment:  demersal; brackish; marine, amphidromous
Distribution:  Indo-West Pacific: India, Indochina, China, Malaysia and Indonesia. Reported from Myanmar (Ref. 4833) and Mekong delta (Ref. 12693).
Diagnosis:  Dorsal soft rays (total): 25-28; Anal soft rays: 25-29. Distinguished by the following characteristics: color greenish yellow; 5 large, midlateral, longitudinally ovoid, brown spots, anteriormost ventral to 01, posteriormost on caudal peduncle; 5 dark brown, saddle-like blotches on dorsum; caudal fin dusky with a yellow dorsal and ventral margin; anal fin hyaline; pectoral fin base with some small red spots, proximally yellow with red and yellow ventroposterior margin; pelvic fin yellow; absence of black pigment inside mouth; single large pore posteriorly in interorbital region; caudal fin not greatly lengthened, caudal fin length 19.4-26.7% SL; longitudinal scale count 62-81; body depth 10.5-16.5% SL (mean = 13.9%); head depth 9.8-14.4% SL ; head width 9.9-14.4% SL ; predorsal scales 23-38 (Ref. 5218).
Biology:  Occurs in bays and estuaries. Also found in the freshwater tidal zone of the Mekong delta. Occasionally marketed in mixed catches (Ref. 12693).
IUCN Red List Status: Least Concern (LC); Date assessed: 20 June 2017 Ref. (130435)
Threat to humans:  harmless


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