Dredged on sand bottom with coralline gravel or rubble at depths of 70-220 m, but possibly restricted to 130-210 m .
Dorsal spines (total): 4; Dorsal soft rays (total): 8 - 9; Anal soft rays: 1. This species is distinct with the following characters: preopercular spine with 3-7 dorsal points; anal fin rays 8; 7 relatively long segments in the ventrolateral fold of skin; first dorsal fin in males filamentous 1st to 3rd spines; anal fin with distal black streaks .: fusiform / normal; Cross section: flattened.
Behavioural data for Protogrammus Antipodus is currently being reviewed.
Marine; demersal; depth range 70 - 220 m . Tropical
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