ANIMAL SPECIES:Basking Shark, Cetorhinus maximus (Gunnerus, 1765)
The Basking Shark is found worldwide in temperate and cool oceanic waters. They swim with their huge mouths open, straining and feeding almost entirely on zooplankton.
Identification
The Basking Shark is recognised by its large size, five long gill slits, two dissimilar sized dorsal fins, its lunate caudal fin and the single keel on each side of the caudal peduncle.
Size range
The species grows to at least 10 m in length.Distribution
The species is found worldwide in temperate and cool oceanic waters.
In Australia it is most common off the southern coastline but is recorded from Exmouth Gulf, Western Australia, around the temperate south and north to Port Stephens, New South Wales.
Distribution by collection data
Biomaps map of Basking Shark specimens in the Australian Museum collection.
Behaviour and adaptations
Feeding and Diet
The Basking Shark feeds almost entirely on zooplankton. Basking Sharks swim with their huge mouths open and use the brush-like gill rakers to strain food from the water. The teeth are very small varying from triangular at the centre of the jaw to conical laterally.
Classification
- Species:
- maximus
- Genus:
- Cetorhinus
- Family:
- Cetorhinidae
- Class:
- Chondrichthyes
- Subphylum:
- Vertebrata
- Phylum:
- Chordata
- Kingdom:
- Animalia
References
- Glover, C.J.M.in Gomon, M.F, Glover, C.J.M. & R.H. Kuiter (Eds). 1994. The Fishes of Australia's South Coast. State Print, Adelaide. Pp. 992.
- Last, P.R. & J.D. Stevens. 1994 Sharks and Rays of Australia. CSIRO. Pp. 513.
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Head of a Basking Shark View full size
Mark McGrouther
© Australian Museum
Jaws and teeth of of a Basking Shark View full size
Mark McGrouther
© Australian Museum
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