| Family: |
Oxudercidae (Mudskippers), subfamily: Periophthalminae |
| Max. size: |
10 cm SL (male/unsexed) |
| Environment: |
demersal; brackish; marine, amphidromous |
| Distribution: |
Indian Ocean: India. |
| Diagnosis: |
Dorsal spines (total): 9-11; Dorsal soft rays (total): 11-12; Anal spines: 1-1; Anal soft rays: 12-13. This is a sexually dimorphic species, with males possessing greatly elongate first spine of first dorsal fin, reaching eighth element of second dorsal fin when appressed; when preserved first dorsal fin brown or black with white distal edge, no spots; margin of first dorsal fin concave in males while concave to straight in females; second dorsal fin with two black bands, broader one located inframarginally and the other located medially, black spots basally on membrane between dorsal fin elements; pelvic fin with prominent frenum and inner rays fused for more than half of length. D1 modally IX; D2 modally I,12; A modally I,13; caudal fin rays modally 15 segmented rays, with first and last two rays unbranched; 62-67 lateral scale rows; 18-24 predorsal scales (Ref. 83659). |
| Biology: |
An intertidal and amphibious air-breather that actively shuttles back and forth between rock pools and air (Ref. 31184). |
| IUCN Red List Status: |
Data deficient (DD); Date assessed: 20 June 2017 Ref. (130435)
|
| Threat to humans: |
harmless |
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