Drilling by buccinid gastropods of the genus Cominella in Australia

C.H. Peterson, Robert Black

    Research output: Contribution to journalArticle

    Abstract

    In laboratory experiments, two buccinid gastropods, Cominella eburnea (Reeve, 1846) and Cominella tasmanica (Tenison Woods, 1876), abundant in lagoonal sediments in southwest Australia, exhibited identical ability to prey upon soft-sediment bivalves. Both buccinids killed and consumed live, apparently healthy, small 0-year-class Katelysia scalarina (Lamarck, 1818) (<1.8 cm in shell length), occasionally leaving behind drilled valves of this venerid. This represents the first record of shell drilling by a buccinid gastropod. Larger K. scalarina (3.1-3.8 cm) and large Katelysia rhytiphora Lamy, 1937 (3.9-4.6 cm) were not killed, even when their shells had chips along the margin. A third carnivorous gastropod, the muricid Bedeva paivae (Crosse, 1864), drilled and consumed Katelysia spp. in all three size-classes offered, but showed a preference for smaller individuals. Drill holes created by B. paivae on small K. scalarina could not be distinguished in shape or location from those left by the two buccinids. Consequently, these two members of the Buccinidae, along with B. paivae, probably contribute to the relatively intense rate of drilling mortality experienced by newly recruited Katelysia spp. in the lagoons of southwest Australia, but the results of these experiments do not confirm earlier suggestions that these two Cominella species kill larger bivalves.
    Original languageEnglish
    Pages (from-to)37-42
    JournalVeliger
    Volume38
    Publication statusPublished - 1994

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    Katelysia
    drilling
    gastropod
    shell (molluscs)
    Gastropoda
    shell
    bivalve
    Bivalvia
    Buccinidae
    sediments
    sediment
    valves (equipment)
    lagoon
    mortality
    experiment

    Cite this

    @article{6e029d44c4ad44b489b46fbe4a7f312a,
    title = "Drilling by buccinid gastropods of the genus Cominella in Australia",
    abstract = "In laboratory experiments, two buccinid gastropods, Cominella eburnea (Reeve, 1846) and Cominella tasmanica (Tenison Woods, 1876), abundant in lagoonal sediments in southwest Australia, exhibited identical ability to prey upon soft-sediment bivalves. Both buccinids killed and consumed live, apparently healthy, small 0-year-class Katelysia scalarina (Lamarck, 1818) (<1.8 cm in shell length), occasionally leaving behind drilled valves of this venerid. This represents the first record of shell drilling by a buccinid gastropod. Larger K. scalarina (3.1-3.8 cm) and large Katelysia rhytiphora Lamy, 1937 (3.9-4.6 cm) were not killed, even when their shells had chips along the margin. A third carnivorous gastropod, the muricid Bedeva paivae (Crosse, 1864), drilled and consumed Katelysia spp. in all three size-classes offered, but showed a preference for smaller individuals. Drill holes created by B. paivae on small K. scalarina could not be distinguished in shape or location from those left by the two buccinids. Consequently, these two members of the Buccinidae, along with B. paivae, probably contribute to the relatively intense rate of drilling mortality experienced by newly recruited Katelysia spp. in the lagoons of southwest Australia, but the results of these experiments do not confirm earlier suggestions that these two Cominella species kill larger bivalves.",
    author = "C.H. Peterson and Robert Black",
    year = "1994",
    language = "English",
    volume = "38",
    pages = "37--42",
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    publisher = "California Malacozoological Society, Inc.",

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    Drilling by buccinid gastropods of the genus Cominella in Australia. / Peterson, C.H.; Black, Robert.

    In: Veliger, Vol. 38, 1994, p. 37-42.

    Research output: Contribution to journalArticle

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    AB - In laboratory experiments, two buccinid gastropods, Cominella eburnea (Reeve, 1846) and Cominella tasmanica (Tenison Woods, 1876), abundant in lagoonal sediments in southwest Australia, exhibited identical ability to prey upon soft-sediment bivalves. Both buccinids killed and consumed live, apparently healthy, small 0-year-class Katelysia scalarina (Lamarck, 1818) (<1.8 cm in shell length), occasionally leaving behind drilled valves of this venerid. This represents the first record of shell drilling by a buccinid gastropod. Larger K. scalarina (3.1-3.8 cm) and large Katelysia rhytiphora Lamy, 1937 (3.9-4.6 cm) were not killed, even when their shells had chips along the margin. A third carnivorous gastropod, the muricid Bedeva paivae (Crosse, 1864), drilled and consumed Katelysia spp. in all three size-classes offered, but showed a preference for smaller individuals. Drill holes created by B. paivae on small K. scalarina could not be distinguished in shape or location from those left by the two buccinids. Consequently, these two members of the Buccinidae, along with B. paivae, probably contribute to the relatively intense rate of drilling mortality experienced by newly recruited Katelysia spp. in the lagoons of southwest Australia, but the results of these experiments do not confirm earlier suggestions that these two Cominella species kill larger bivalves.

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