Saddled Galaxias, Galaxias tanycephalus Fulton 1978


Other Names: Arthurs Galaxias, Golden Galaxias, Spotted Mountain Trout

Saddled Galaxias, Galaxias tanycephalus. Source: Gunther Schmida. License: All rights reserved

Summary:
See 'More Info' tab

Cite this page as:
Gomon 2010, Galaxias tanycephalus in Fishes of Australia, accessed 25 Jan 2020, http://136.154.202.208/home/species/3681

Saddled Galaxias, Galaxias tanycephalus Fulton 1978

More Info


Distribution

Known only from Arthurs Lake, Tasmania; temperate; inhabiting the rocky lake shore, particularly around human-made structures such as jetties.

Features

D 11-13 (usually 11-12); A 13-16 (usually 14-15); P 14-17 (usually 15-16); gill rakers on first arch 16-21; vertebrae 53-56

Stout, bullet-shaped body; long head tapering to a long slender snout; mouth large, gape reaching in front of eye depth at vent 6.3-7.5 in SL; lower jaw slightly protruding; jaws with slightly enlarged lateral canines; eye dorsolateral, moderate in size; mouth opening obliquely; lips fleshy; caudal peduncle long and slender.

Scales absent.

Caudal fin emarginate; dorsal and anal fins small; dorsal fin well behind ventral fins, origin above vent just in front of anal fin origin.

Size

To 14.5 cm SL, commonly 7-8 cm.

Colour

Olive green to grey overall, sometimes with a purplish sheen on the sides. A series of darker grey saddle-like markings on back and upper sides with a silvery belly. Fins olive to amber.

Feeding

Adults feed on insects and crustaceans, pelagic juveniles are likely to feed on zooplankton.

Biology

Lifecycle is completed in freshwater. Spawning occurs throughout the year with a peak late in spring.

Etymology

Species is named tanycephalus in reference to the characteristic long slender head. Tany = Greek long; kephale = Greek head.

Species Citation

Galaxias tanycephalus Fulton W. (1978) A description of a new species of Galaxias (Salmoniformes: Galaxiidae) from Tasmania. Aust. J. Mar. Freshw. Res. 29(1): 109-116. Athurs Lake, Tasmania.

Author

Gomon 2010

Saddled Galaxias, Galaxias tanycephalus Fulton 1978

References


Allen, G.R. 1989 Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey.

Allen, G. R. , H. Midgley, and M. Allen 2002 Field guide to the freshwater fishes of Australia. Field guide to the freshwater fishes of Australia.: I-xiv + 1-394.

Fulton W. (1978) A description of a new species of Galaxias (Salmoniformes: Galaxiidae) from Tasmania. Aust. J. Mar. Freshw. Res. 29(1): 109-116.

McDowall, R.M. (Ed) 1980 Freshwater fishes of south-eastern Australia (New South Wales, Victoria and Tasmania. Terrey Hills, N.S.W.: Reed, 208p.

Merrick, J.R. and G.E. Schmida 1984 Australian freshwater fishes: biology and management. Griffin Press Ltd., South Australia. 409 p.

Paxton, J. R. , D. F. Hoese, G. R. Allen and J. E. Hanley 1989 Zoological Catalogue of Australia. Volume 7. Pisces. Petromyzontidae to Carangidae. Australian Government Publishing Service, Canberra. Zoological Catalogue of Australia. Volume 7. v. 7: i-xii + 1-665.

Quick Facts


CAAB Code:37102009

Biology:non-migratory

Habitat:freshwater lake edge

Max Size:14.5 cm SL

Native:endemic

Species Image Gallery

Species Maps

CAAB distribution map