Periophthalmus spilotus Murdy & Takita, 1999
photo by Polgar, G.

Family:  Oxudercidae (Mudskippers), subfamily: Periophthalminae
Max. size:  7.14 cm SL (male/unsexed)
Environment:  demersal; brackish
Distribution:  Western Pacific: Sumatra, Indonesia.
Diagnosis:  Dorsal spines (total): 9-11; Dorsal soft rays (total): 13-14; Anal spines: 1-1; Anal soft rays: 12-14; Vertebrae: 26-26. Pelvic fins totally united into rounded disk. First dorsal high, greyish; spots and elongate spines absent; when appressed reaching D2 origin. Second dorsal with dusky stripe mesially; whitish spots medial to this stripe. Caudal fin blackish medially. Anal fin translucent, spots and stripes absent (Ref. 35996).
Biology:  Known from the intertidal mudflat of the Suir river of Tebing Tinggi I., Sumatra. Associated with Periophthalmus novemradiatus and P. gracilis (Ref. 35996).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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