Lemon Tongue Sole, Paraplagusia bilineata (Bloch 1787)

Other Names: Beard Tonguefish, Doublelined Tonguesole, Lemon Sole, Lemon Tongue-sole, Patterned Tongue Sole, Patterned Tongue-sole, Pointed Tongue-sole, Spotted Tongue Sole, Spotted Tongue-sole

A Lemon Tongue Sole, Paraplagusia bilineata, from Western Australia. Source: Chris Dowling / Flickr. License: All rights reserved

A tan-coloured tongue sole with a marbled pattern of dark wavy lines enclosing pale patches, two lateral lines on the eyed side, none on blind side.
In Australia, the Lemon Tongue Sole has also been called Paraplagusia blochii which is a junior synonym.

Cite this page as:
Bray, D.J. 2018, Paraplagusia bilineata in Fishes of Australia, accessed 01 Oct 2023, https://fishesofaustralia.net.au/Home/species/4705

Lemon Tongue Sole, Paraplagusia bilineata (Bloch 1787)

More Info


Geographe Bay, Western Australia, around the tropical north to Batemans Bay, New South Wales; also Lord Howe Island in the Tasman Sea. Elsewhere the species is widespread in the tropical Indo-west Pacific.

Species Citation

Pleuronectes bilineatus Bloch 1787, Naturgesch. ausländisch. Fische 3: 29, pl. 188. Type locality: Indian Ocean (lectotype).


Bray, D.J. 2018


Australian Faunal Directory

Lemon Tongue Sole, Paraplagusia bilineata (Bloch 1787)


Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Perth : Western Australian Museum 292 pp. 106 pls. 

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. 1787. Naturgeschichte der ausländischen Fische. Berlin : J. Morino Vol. 3 146 pp. pls 181-216. 

Castelnau, F.L. de 1875. Researches on the fishes of Australia. Intercolonial Exhibition Essays. 2. pp. 1–52 in, Philadelphia Centennial Exhibition of 1876 : Official Record. Melbourne. (as Plagusia acumineata)

Chapleau, F. & Renaud, C.B. 1993. Paraplagusia sinerama (Pleuronectiformes: Cynoglossidae), a new Indo-Pacific tongue sole with a revised key to species of the genus. Copeia 1993(3): 798-807 figs 1-4

Chapleau, F., Renaud, C.B. & Kailola, P.J. 1991. Paraplagusia longirostris, a new flatfish (Cynoglosidae) from Australia and Papua New Guinea. Japanese Journal of Ichthyology 38(3): 239-244.

Coleman, N. 1980. Australian Sea Fishes South of 30ºS. Lane Cove, NSW : Doubleday Australia Pty Ltd 309 pp. (p. 269, as Paraplagusia unicolor)

De Vis, C.W. 1883. Descriptions of new genera and species of Australian fishes. Proceedings of the Linnean Society of New South Wales 1 8(2): 283-289. (as Plagusia notata)

Johnson, J.W. 1999. Annotated checklist of the fishes of Moreton Bay, Queensland, Australia. Memoirs of the Queensland Museum 43(2): 709-762.

Kottelat, M. 2013. Nomenclature and identity of the tongue soles Paraplagusia bilineata, "Cynoglossus bilineatus" and Paraplagusia blochii (Teleostei: Pleuronectiformes). Raffles Bulletin of Zoology 61(2): 763-766.

Larson, H.K. & Williams, R.S. 1997. Darwin Harbour fishes: a survey and annotated checklist. pp. 339-380 in Hanley, H.R., Caswell, G., Megirian, D. & Larson, H.K. (eds) The Marine Flora and Fauna of Darwin Harbour, Northern Territory, Australia. Proceedings of the Sixth International Marine Biology Workshop. Darwin : Museum and Art Gallery of the Northern Territory 466 pp.

Larson, H.K., Williams, R.S. & Hammer, M.P. 2013. An annotated checklist of the fishes of the Northern Territory, Australia. Zootaxa 3696(1): 1-293. (as Paraplagusia bilineata and P. blochii)

Macleay, W.J. 1881. Descriptive catalogue of the fishes of Australia. Part 3. Proceedings of the Linnean Society of New South Wales 1 6(1): 1-138 pls 1-2 (as Plagusia unicolor

Marshall, T.C. 1964. Fishes of the Great Barrier Reef and Coastal Waters of Queensland. Sydney : Angus & Robertson 566 pp. 136 pls. 

Menon, A.G.K. 1980. A revision of the fringed-lip tongue soles of the genus Paraplagusia Bleeker, 1865 (Family Cynoglossidae). Matsya 5: 11-22 figs 1-2

Munroe, T.A. 2001. Soleidae, Cynoglossidae. pp. 3878-3901 in Carpenter, K.E. & Niem, T.H. (eds) The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 6 pp. 3381-4218. 

Norman, J.R. 1926. A report on the flatfishes (Heterosomata) collected by the F.I.S. Endeavour, with a synopsis of the flatfishes of Australia and a revision of the subfamily Rhombosoleinae. Biological Results of the Fishing Experiments carried on by the F.I.S. Endeavour 1909-1914 5(5): 219-308 figs 1-15 (as Paraplagusia acumineata)

Rendahl, H. 1922. A contribution to the ichthyology of north-west Australia. Meddelelser fra det Zoologiske Museum. Kristiania 5: 163-197 figs 1-6 (as Rhinoplagusia australis)

Sainsbury, K.J., Kailola, P.J. & Leyland, G.G. 1984. Continental Shelf Fishes of Northern and North-Western Australia. Canberra : Fisheries Information Service 375 pp. figs & pls. 

Saville-Kent, W. 1893. The Great Barrier Reef of Australia; its Products and Potentialities. London : W.H. Allen & Co., Limited. [xiii] + 388 pp. 21 figs 64 pls. (as Plagusia brevirostris)

Thomson, J.M. 1978. A Field Guide to the Common Sea & Estuary Fishes of Non-tropical Australia. Sydney : Collins 144 pp.

Quick Facts

CAAB Code:37463001

Depth:1-200 m

Habitat:Mud & sand bottoms

Max Size:30 cm TL

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