Specimens were collected from tidal pools, lagoon patch reefs and reef slopes at depths from about 0.3 to at least 30 m . Benthic, also found in coral and rock reefs .
Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8; Vertebrae: 26. This species is distinct with the following set of characters: D VI + I, 9; A I, 8; with some pectoral-fin rays branched; fifth segmented pelvic-fin ray is lacking; cephalic sensory-pore system pattern 1; non-fimbriate male genital papilla; dark bars or saddles 12-13 on trunk from origin of spinous dorsal fin to mid peduncular spot, not extending below midline (except in small juveniles); pectoral-fin base with a prominent circular dark spot dorsally (sometimes with additional small diffuse spot ventrally) . Dorsal to anal fin-ray formula 9/8 .: fusiform / normal.
Behavioural data for Reader's dwarfgoby is currently being reviewed.
Marine; reef-associated; depth range 0 - 30 m . Temperate Southwest Pacific, Middleton and Elizabeth Reefs on the Lord Howe Rise, Tasman Sea.
The following diseases are known to affect Reader's dwarfgoby.
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