Western Shovelnose Ray, Aptychotrema vincentiana (Haacke 1885)


Other Names: Guitar Fish, Shovelnose Shark, Southern Shovelnose Ray, Southern Shovel-nose Ray, Southern Shovelnose-ray, Yellow Shovelnose Ray
A Western Shovelnose Ray resting on the bottom in a seagrass bed.

Western Shovelnose Ray, Aptychotrema vincentiana. Source: Rudie H. Kuiter / Aquatic Photographics. License: All rights reserved

Summary:
A yellowish-brown ray covered in cloudy blotches, with usually a brown "mask" around the eyes, and a whitish underside with dark fleck. Juveniles and some adults have a small dark blotch on the tip of the snout.

Cite this page as:
Bray, D.J. 2018, Aptychotrema vincentiana in Fishes of Australia, accessed 17 Nov 2018, http://fishesofaustralia.net.au/home/species/1837

Western Shovelnose Ray, Aptychotrema vincentiana (Haacke 1885)

More Info


Distribution

Kent Island, Tasmania, to Port Hedland, Western Australia. Commonly occurs in shallow sheltered bays and estuaries off South Australia and Western Australia.

Features

Vertebrae 167-171.
Body elongate, depressed, tapering posteriorly, with ridge-like lateral skin folds past ventral fins; precaudal pits absent. Disc formed by union of head and pectoral fins wedge-shaped, shorter than body posterior to it; snout elongate, rather pointed, length to mouth about three times mouth width;  eyes small;  spiracle without skin folds; mouth moderately arched; teeth of equal size; five pairs of gill slits on underside of head. Midline of disc behind eyes with a row of smaller thorns extending posteriorly to second dorsal fin; orbital and shoulder thorns present.
Two widely separate, prominent dorsal fins posteriorly on back behind disc, both behind pelvic fins; second smaller than first; anal fin absent; caudal fin without well developed lower lobe.  

Colour

Dorsal surface greyish-brown or yellowish;  a broad dark suborbital bar extending from margin of disc to each eye; several large dark blotches on body; juveniles often lacking dark markings; ventral surface whitish.

Similar Species

The similar Aptychotrema rostrata differs in having a slightly longer snout, and in lacking dark blotches and the "mask" around the eyes.

Species Citation

Rhinobatus vincentianus Haake 1885, Zool. Anz. 8: 488-509. Type locality: St. Vincents Gulf, South Australia.

Author

Bray, D.J. 2018

Resources

Australian Faunal Directory

Western Shovelnose Ray, Aptychotrema vincentiana (Haacke 1885)

References


Coleman, N. 1980. Australian Sea Fishes South of 30ºS. Lane Cove, NSW : Doubleday Australia Pty Ltd 309 pp. 

Gomon, M.F. 2008. Families Torpedinidae to Rhinobatidae. pp. 101-107 in Gomon, M.F., Bray, D.J. & Kuiter, R.H. (eds). Fishes of Australia's Southern Coast. Sydney : Reed New Holland 928 pp. 

Haacke, J.W. 1885. Diagnosen zweier bemerkenswerther südaustralischer Fische. Zoologischer Anzeiger 8(203/4): 508-509 

Hutchins, J.B. & Thompson, M. 1983. The Marine and Estuarine Fishes of South-western Australia. Perth : Western Australian Museum 103 pp. 345 figs. 

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. 

Last, P.R. 1994. Families Torpedinidae, Rajiidae, Rhinobatidae. pp. 154-172 figs 132-149 in Gomon, M.F., Glover, C.J.M. & Kuiter, R.H. (eds). The Fishes of Australia's South Coast. Adelaide : State Printer 992 pp. 810 figs. 

Last, P.R. & Séret, B.. 2016. 12 Banjo Rays Family Trygonorrhinidae (pp. 117-126), in Last, P.R., White, W.T., de Carvalho, M.R., Séret, B., Stehmann, M.F.W. & Naylor, G.J.P. (eds) Rays of the World. Melbourne : CSIRO Publishing, 800 pp.

Last, P.R. & Stevens, J.D. 1994. Sharks and Rays of Australia. Canberra : CSIRO Australia 513 pp. 84 pls. 

Last, P.R. & Stevens, J.D. 2009. Sharks and Rays of Australia. Collingwood : CSIRO Publishing Australia 2, 550 pp. 

May, J.L. & Maxwell, J.G.H. 1986. Field Guide to Trawl Fish from Temperate Waters of Australia. Hobart : CSIRO Division of Marine Research 492 pp.

Waite, E.R. 1921. Illustrated catalogue of the fishes of South Australia. Records of the South Australian Museum (Adelaide) 2(1): 1-208 293 figs pl. 1 

Whitley, G.P. 1940. The Fishes of Australia. Part 1. The sharks, rays, devil-fish, and other primitive fishes of Australia and New Zealand. Sydney : Roy. Zool. Soc. N.S.W. 280 pp. 303 figs.

Quick Facts


CAAB Code:37027001

Max Size:84 cm TL

Native:Endemic

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Species Maps

CAAB distribution map