Cabestana waterhousei
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| Cabestana waterhousei | ||||||||||||||
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| Cabestana waterhousei (A. Adams & Angas, 1864) |
Cabestana waterhousei is a species of large predatory sea snail sometimes known as a predatory whelk, a marine gastropod mollusc in the family Ranellidae, the tritons.
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[edit] Distribution
This species is endemic to southern Australia, the North and South Islands of New Zealand, and the Kermadec Islands.
[edit] Habitat
This Cabestana species is found subtidally, at depths of between low tide level and 45 metres.
[edit] Shell description
The shell is smaller than Cabestana spengleri, with sharper flange-like varices, and a different periostracum, that is thick, axially ridged, and is produced into long filaments at the varices. Also the spiral ridges are more sharply raised, and each is divided by a deep spiral groove.
The external shell coloration is pale yellowish-brown, with obscure reddish-brown maculations, under a dark olive-brown periostracum.
The shell height is up to 72 mm, and the width is up to 40 mm.
[edit] References
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
