Two-line Monocle Bream, Scolopsis bilineata (Bloch 1793)
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
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
Two-line Monocle Bream, Scolopsis bilineata (Bloch 1793)
More Info
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Distribution |
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. |
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Feeding |
Feeds on benthic invertebrates and small fishes. |
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Biology |
Protogynous hermaphrodite - chaging sex from female to male. |
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Species Citation |
Anthias bilineatus Bloch, 1793, J. Morino 7: 3, pl. 325(1). Type locality: Japan. |
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Author |
Dianne J. Bray |
Two-line Monocle Bream, Scolopsis bilineata (Bloch 1793)
References
Allen, G.R. 1985. Fishes of Western Australia. Book 9. 2207-2534 526 pls in Burgess, W.E. & Axelrod, H.R. (eds). Pacific Marine Fishes. Neptune, New Jersey : T.F.H. Publications.
Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Perth : Western Australian Museum 292 pp. 106 pls.
Allen, G.R., Hoese, D.F., Paxton, J.R., Randall, J.E., Russell, B.C., Starck, W.A., Talbot, F.H. & Whitley, G.P. 1976. Annotated checklist of the fishes of Lord Howe Island. Records of the Australian Museum 30(15): 365-454 figs 1-2
Allen, G.R., Steene, R.C. & Orchard, M. 2007. Fishes of Christmas Island. Christmas Island : Christmas Island Natural History Association 2 edn, 284 pp.
Allen, G.R. & Swainston, R. 1988. The Marine Fishes of North-Western Australia. A field guide for anglers and divers. Perth, WA : Western Australian Museum vi 201 pp., 70 pls.
Bloch, M.E. 1793. Naturgeschichte der ausländischen Fische. Berlin : J. Morino Vol. 7 144 pp. pls 324-360.
Choat, J.H., van Herwerden, L., Robbins, W.D., Hobbs, J.P. & Ayling, A.M. 2006. A report on the ecological surveys undertaken at Middleton and Elizabeth Reefs, February 2006. Report by James Cook University to the Department of the Environment and Heritage. 65 pp.
Coleman, N. 1981. Australian Sea Fishes North of 30°S. Lane Cove, NSW : Doubleday Australia Pty Ltd 297 pp.
Francis, M. 1993. Checklist of the coastal fishes of Lord Howe, Norfolk, and Kermadec Islands, southwest Pacific Ocean. Pacific Science 47(2): 136-170 figs 1-2
Gloerfelt-Tarp, T. & Kailola, P.J. 1984. Trawled Fishes of Southern Indonesia and Northwest Australia. Jakarta : Dir. Gen. Fish. (Indonesia), German Tech. Coop., Aust. Dev. Ass. Bur. 406 pp.
Grant, E.M. 1975. Guide to Fishes. Brisbane : Queensland Government, Co-ordinator General’s Department 640 pp.
Grant, E.M. 1991. Fishes of Australia. Brisbane : EM Grant Pty Ltd 480 pp.
Grant, E.M. 2002. Guide to Fishes. Redcliffe : EM Grant Pty Ltd 880 pp.
Hutchins, B. 2004. Fishes of the Dampier Archipelago, Western Australia. Records of the Western Australian Museum, Supplement 66: 343–398
Johnson, J.W. 2010. Fishes of the Moreton Bay Marine Park and adjacent continental shelf waters, Queensland, Australia. pp. 299-353 in Davie, P.J.F. & Phillips, J.A. Proceedings of the Thirteenth International Marine Biological Workshop, The Marine Fauna and Flora of Moreton Bay. Memoirs of the Queensland Museum 54(3)
Kuiter, R.H. 1993. Coastal Fishes of South-eastern Australia. Bathurst : Crawford House Press 437 pp.
Kuiter, R.H. 1996. Guide to Sea Fishes of Australia. A comprehensive reference for divers and fishermen. Sydney, NSW, Australia : New Holland Publishers xvii, 434 pp.
Kuiter, R.H. & T. Tonozuka. 2001. Pictorial guide to Indonesian reef fishes. Part 1. Eels- Snappers, Muraenidae - Lutjanidae. Zoonetics, Australia. 302 p.
Marshall, T.C. 1964. Fishes of the Great Barrier Reef and Coastal Waters of Queensland. Sydney : Angus & Robertson 566 pp. 136 pls.
Randall, J.E., Allen, G.R. & Steene, R. 1990. Fishes of the Great Barrier Reef and Coral Sea. Bathurst : Crawford House Press 507 pp. figs.
Randall, J.E., Allen, G.R. & Steene, R. 1997. Fishes of the Great Barrier Reef and Coral Sea. Bathurst : Crawford House Press 557 pp. figs.
Roche, D.G., Binning, S.A., Bosiger, Y., Johansen, J.L., Rummer, J.L. 2013. Finding the best estimates for metabolic rates in a coral reef fish. Journal of Experimental Biology 216: 2103-2110. PDF
Roche, D.G., L.E. Strong & S.A. Binning. 2012. Prevalence of the parasitic cymothoid isopod Anilocra nemipteri on its fish host at Lizard Island, Great Barrier Reef. Australian Journal of Zoology 60(5): 330-333.
Russell, B.C. 1983. Annotated checklist of the coral reef fishes in the Capricorn-Bunker group, Great Barrier Reef, Australia. Great Barrier Reef Marine Park Authority. Special Publication Series 1: 1-184 figs 1-2
Russell, B.C. 1990. FAO Species Catalogue. Nemipterid fishes of the World (Threadfin breams, Whiptail breams, Monocle breams, Dwarf monocle breams, and Coral breams — Family Nemipteridae). Fisheries Synopsis No. 125, Vol. 12. Rome : FAO 149 pp. VIII pls.
Russell, B.C. 2001. Nemipteridae. pp. 3051-3089 in Carpenter, K.E. & Niem, V.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 5 2791-3379 pp.
