Abundant on shallow inshore reefs and adjacent sand or mud bottoms. Feeds on small fishes and benthic invertebrates. Unimportant as a food fish. No major fishery exists.

Western Pacific: northwestern Australia from Gulf of Carpentaria to Abrolhos Islands. Also known from Papua New Guinea (Ref. 6192). This species has been commonly referred to as Scaevius nicanor Whitley, but Scaevius milii is the older name.

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Analspines: 3; Analsoft rays: 7

Maximum size: 200 mm SL

20.0 cm SL (male/unsexed; (Ref. 3810))

Scales on top of head not reaching to level of eyes. Snout, suborbital, interorbital, and temporal parts of head naked. Posterior margin of suborbital denticulate, a small spine in upper corner. 5 or 6 transverse rows of cheek scales. Preopercle serrate, opercle scaly. Lower limb of preopercle naked. Upper margin of opercle with a small, flat, rounded spine. Pectoral fins short, not reaching to level of anus. Pelvic fins long, reaching to level of anus. Color: Dark olive on top of head, back paler, ventral surface white. 2 blue stripes on snout, the first joining eyes through nostrils, the second across front of snout. 2 narrow blue lines below eye crossing suborbital.

Depth range based on 2 specimens in 1 taxon.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 23 - 23
  Temperature range (°C): 26.770 - 26.770
  Nitrate (umol/L): 0.218 - 0.218
  Salinity (PPS): 35.116 - 35.116
  Oxygen (ml/l): 4.554 - 4.554
  Phosphate (umol/l): 0.152 - 0.152
  Silicate (umol/l): 3.271 - 3.271
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

Depth: 0 - 20m.
Recorded at 20 meters.

Habitat: reef-associated.

reef-associated; marine; depth range ? - 20 m (Ref. 9785)

Occurs inshore (Ref. 75154). Feeds on fish and invertebrates (Ref. 3810).

Not Evaluated

fisheries: minor commercial