Boleophthalmus birdsongi
Boleophthalmus birdsongi Murdy, 1989
Birdsong's mudskipper
Boleophthalmus birdsongi
photo by Murdy, E.O.


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Family:  Oxudercidae (Mudskippers), subfamily: Periophthalminae
Max. size:  11.1 cm SL (male/unsexed)
Environment:  demersal; freshwater; brackish; marine
Distribution:  Indo-West Pacific: endemic to Australia.
Diagnosis:  Dorsal soft rays (total): 23-25; Anal soft rays: 22-24. Distinguished by the following characteristics: total elements in D2 23-25; caudal fin length 17.9-24.6% SL; head length 26.6-31.1 % SL; length of D2 base 38.2-43.5%; first D2 element usually segmented and unbranched; longitudinal scale count 89-111; predorsal scales 38-60; lower jaw teeth atypical for Boleophthalmus, notch lacking, teeth more rounded than congeners (Ref. 5218).
Biology:  Amphibious air-breather (Ref. 31184). Max. length (Edward O. Murdy, pers. comm., 2000).
IUCN Red List Status: Least Concern (LC); Date assessed: 19 March 2024 Ref. (130435)
Threat to humans:  harmless


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