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- Title
The Dietary Preferences of a Suite of Carrion-Scavenging Gastropods (Nassariidae, Buccinidae) in Princess Royal Harbour, Albany, Western Australia.
- Authors
Morton, Brian; Jones, D. S.
- Abstract
On the seafloor of Shoal Bay, Princess Royal Harbour, Albany, Western Australia, lives a suite of four scavenging gastropod species: Nassarius pyrrhus, N. pauperatus (Nassariidae), Cominella eburnea and C. tasmanica (Buccinidae). Field and laboratory experiments were designed to test whether any of these scavengers showed a preference for (i) either fresh fish or bivalve tissues, (ii) fresh fish or 24-, 48- or 72-h-old fish. In baited-trap field experiments, no preferences were detected, and N. pyrrhus always arrived first, usually followed by either N. pauperatus or C. eburnea, and last by C. tasmanica. Numbers of scavengers on all baits peaked at about 70 min postdeployment and arrived from an estimated surrounding area of 0.5-2.5 m2. In laboratory experiments, bait preference results were similar, although fewer N. pyrrhus and N. pauperatus arrived at the 72-h-old fish, and C. eburnea was not attracted to such decaying bait.
- Subjects
PRINCESS Royal Harbour (W.A.); WESTERN Australia; GASTROPODA; BUCCINIDAE; MARINE animals
- Publication
Journal of Molluscan Studies, 2003, Vol 69, Issue 2, p151
- ISSN
0260-1230
- Publication type
Article
- DOI
10.1093/mollus/69.2.151