Facultative air-breathing ; Amphibious air-breather . Max. length (Edward O. Murdy, pers. comm., 2000).
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 .: elongated.
Behavioural data for Birdsong's mudskipper is currently being reviewed.
Marine; freshwater; brackish; demersal. Tropical West Pacific: endemic to Australia.
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