Cowtail Stingray, Pastinachus sephen (Forsskål, 1775)

ANIMAL SPECIES:Cowtail Stingray, Pastinachus sephen (Forsskål, 1775)

The Cowtail Stingray gets it's name form it's thick broad tail trunk. It's common inshore in tyropical seas, venturing into estuaries and sometimes freshwater. They tend to be inquisitive and approach closely if fish have been speared.

Alternative Name/s

It has also been called the Banana-tail Ray, Fantail Ray, Feathertail Stingray, Guergunna and Weralli.

Identification

The Cowtail Stingray has a disc that is slightly wider than long. It has small eyes and a very wide interorbital space. The tail is about twice the length of the disc. The upper surface of the disc is a uniform grey, brown or black. The lower surface is white. The tail is depressed basally becoming more cylindrical distally. The broad skin flap and tip of the tail are black.

Size range

It grows to a total length of at least 3 m and width of 1.8 m.

Distribution

The species occurs in tropical marine waters of the Indo-West Pacific.

In Australia it is known from the central coast of Western Australia, around the tropical north of the country and south to the central coast of New South Wales .

Distribution by collection data

Biomaps map of Cowtail Stingray specimens in the Australian Museum collection.

What does this mean?

Habitat

I occurs in tropical marine waters. It can be found in muddy and sandy substrates in estuarine mangrove areas and inshore waters down to about 60 m in depth.

Classification

Species:: sephen
Genus:: Pastinachus
Family:: Dasyatidae
Order:: Myliobatiformes
Class:: Chondrichthyes
Subphylum:: Vertebrata
Phylum:: Chordata
Kingdom:: Animalia

What does this mean?

References

Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Western Australian Museum. Pp. 292.
Last, P.R. & L.J.V. Compagno. 1999. Dasyatidae. in Carpenter, K.E. & V.H. Niem (Eds). FAO Species Identification Guide for Fishery Purposes. The Living Marine Resources of the Western Central Pacific. Volume 3. Batoid fishes, chimaeras and bony fishes part 1 (Elopidae to Linophrynidae). FAO, Rome. Pp. iii-vi, 1398-2068.

Mark McGrouther , Collection Manager, Ichthyology
Last Updated: 28 April 2011

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