Facultative air-breathing ; Oviparous. Eggs are demersal and adhesive , and are attached to the substrate via a filamentous, adhesive pad or pedestal . Larvae are planktonic, often found in shallow, coastal waters .
Dorsal spines (total): 12; Dorsal soft rays (total): 18 - 20; Anal spines: 2; Anal soft rays: 20 - 22. This species is distinct with the following characters: (18-)19-20 segmented dorsal fin rays; 20-21(-22) segmented anal fin rays; 3 segmented pelvic; simple supraorbital tentacle, fusiform; head and anterior half of body with round black spots of varying sizes; upper lip and anterior head with variable black spots or stripes .: fusiform / normal.
Behavioural data for Rhabdoblennius Nigropunctatus is currently being reviewed.
Diet information for Rhabdoblennius Nigropunctatus is currently being compiled.
Oviparous, distinct pairing .
Marine; reef-associated; depth range 0 - 1 m . Tropical
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