Two-line Monocle Bream, Scolopsis bilineata (Bloch 1793)

Other Names: Bridled Monocle Bream, Bridled Spinecheek, Bridled Spine-cheek, Double Lined Coral Bream, Double-Lined Coral Bream, Monocle Bream, Two-lined Monocle Bream, Yellow-finned Spine-cheek

A Two-line Monocle Bream, Scolopsis bilineata, at Comets Hole, Lord Howe Island lagoon, Tasman Sea. Source: Graham Edgar / Reef Life Survey. License: CC BY Attribution

Identifying features:
Body with a blacked-edged white stripe curving upwards from below eye to the middle of the dorsal-fin base. Juveniles - upper half of body black with two yellow stripes, midsides with a broad white indistinct stripe, anal fin with a black marking.

Juveniles mimic the Linespot Fangblenny, Meiacanthus grammistes which has venomous fangs.

Video of a juvenile Monocle Bream mimicking a Linespot Fangblenny

Cite this page as:
Dianne J. Bray, Scolopsis bilineata in Fishes of Australia, accessed 17 Jun 2024,

Two-line Monocle Bream, Scolopsis bilineata (Bloch 1793)

More Info


Known in Australian waters from the Houtman Abrohlos Islands, Western Australia, to Sydney, New South Wales; also Rowley Shoals and Scott Reef, Western Australia, Ashmore Reef, Timor Sea, Christmas Island, Cocos (Keeling) Islands, Elizabeth and Middleton Reefs Marine National Nature Reserve, and Lord Howe Island. Elsewhere, widespread in the tropical, Indo-west Pacific.

Common on coral reefs in a wide range of habitats. Juveniles often inhabit inshore waters, or reef lagoons and rubble areas. 


Feeds on benthic invertebrates and small fishes.


Protogynous hermaphrodite - chaging sex from female to male.

Species Citation

Anthias bilineatus Bloch, 1793, J. Morino 7: 3, pl. 325(1). Type locality: Japan.


Dianne J. Bray

Two-line Monocle Bream, Scolopsis bilineata (Bloch 1793)


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Quick Facts

CAAB Code:37347031

Biology:Changes sex

Depth:0-30 m

Habitat:Reef associated

Max Size:23 cm TL

Species Maps

CAAB distribution map