Comparative morphology of the egg cases of Asymbolus analis, Asymbolus rubiginosus and Figaro boardmani (Carcharhiniformes

Scyliorhinidae) from southern Queensland, Australia

C Bustamante, Peter Kyne, Michael Bennett

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    Descriptions of the egg cases of three catsharks, Asymbolus analis, Asymbolus rubiginosus and Figaro boardmani, are provided from 65 egg cases obtained from fishing surveys carried out on the continental shelf of southern Queensland, Australia. Egg cases of A. analis, A. rubiginosus and F. boardmani have the same basic morphology; they are typically vase-shaped, dorso-ventrally flattened and yellow and brown-tan in colour. The shape of the posterior border in terms of horn length and tendril thickness is the specific characteristic discriminating these three catsharks: enclosed horns in F. boardmani, short horns and tendrils in A. rubiginosus and long, coiled tendrils in A. analis. A non-parametric statistical approach was used as an exploratory tool for egg case identification in which six proportional measurements were sufficient to discriminate between species. Three egg cases of F. boardmani were recovered from the stomachs of three A. rubiginosus, which provided the first evidence of catshark-catshark predator-prey interaction. � 2013 The Fisheries Society of the British Isles.
    Original languageEnglish
    Pages (from-to)133-143
    Number of pages11
    JournalJournal of Fish Biology
    Volume83
    Issue number1
    DOIs
    Publication statusPublished - 2013

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    Carcharhiniformes
    Scyliorhinidae
    egg masses
    Queensland
    egg
    Shorthorn
    predator-prey interaction
    British Isles
    predator-prey relationships
    continental shelf
    fishing
    stomach
    fishery
    fisheries
    Asymbolus
    color

    Cite this

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    title = "Comparative morphology of the egg cases of Asymbolus analis, Asymbolus rubiginosus and Figaro boardmani (Carcharhiniformes: Scyliorhinidae) from southern Queensland, Australia",
    abstract = "Descriptions of the egg cases of three catsharks, Asymbolus analis, Asymbolus rubiginosus and Figaro boardmani, are provided from 65 egg cases obtained from fishing surveys carried out on the continental shelf of southern Queensland, Australia. Egg cases of A. analis, A. rubiginosus and F. boardmani have the same basic morphology; they are typically vase-shaped, dorso-ventrally flattened and yellow and brown-tan in colour. The shape of the posterior border in terms of horn length and tendril thickness is the specific characteristic discriminating these three catsharks: enclosed horns in F. boardmani, short horns and tendrils in A. rubiginosus and long, coiled tendrils in A. analis. A non-parametric statistical approach was used as an exploratory tool for egg case identification in which six proportional measurements were sufficient to discriminate between species. Three egg cases of F. boardmani were recovered from the stomachs of three A. rubiginosus, which provided the first evidence of catshark-catshark predator-prey interaction. � 2013 The Fisheries Society of the British Isles.",
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    author = "C Bustamante and Peter Kyne and Michael Bennett",
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    Comparative morphology of the egg cases of Asymbolus analis, Asymbolus rubiginosus and Figaro boardmani (Carcharhiniformes : Scyliorhinidae) from southern Queensland, Australia. / Bustamante, C; Kyne, Peter; Bennett, Michael.

    In: Journal of Fish Biology, Vol. 83, No. 1, 2013, p. 133-143.

    Research output: Contribution to journalArticleResearchpeer-review

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    N2 - Descriptions of the egg cases of three catsharks, Asymbolus analis, Asymbolus rubiginosus and Figaro boardmani, are provided from 65 egg cases obtained from fishing surveys carried out on the continental shelf of southern Queensland, Australia. Egg cases of A. analis, A. rubiginosus and F. boardmani have the same basic morphology; they are typically vase-shaped, dorso-ventrally flattened and yellow and brown-tan in colour. The shape of the posterior border in terms of horn length and tendril thickness is the specific characteristic discriminating these three catsharks: enclosed horns in F. boardmani, short horns and tendrils in A. rubiginosus and long, coiled tendrils in A. analis. A non-parametric statistical approach was used as an exploratory tool for egg case identification in which six proportional measurements were sufficient to discriminate between species. Three egg cases of F. boardmani were recovered from the stomachs of three A. rubiginosus, which provided the first evidence of catshark-catshark predator-prey interaction. � 2013 The Fisheries Society of the British Isles.

    AB - Descriptions of the egg cases of three catsharks, Asymbolus analis, Asymbolus rubiginosus and Figaro boardmani, are provided from 65 egg cases obtained from fishing surveys carried out on the continental shelf of southern Queensland, Australia. Egg cases of A. analis, A. rubiginosus and F. boardmani have the same basic morphology; they are typically vase-shaped, dorso-ventrally flattened and yellow and brown-tan in colour. The shape of the posterior border in terms of horn length and tendril thickness is the specific characteristic discriminating these three catsharks: enclosed horns in F. boardmani, short horns and tendrils in A. rubiginosus and long, coiled tendrils in A. analis. A non-parametric statistical approach was used as an exploratory tool for egg case identification in which six proportional measurements were sufficient to discriminate between species. Three egg cases of F. boardmani were recovered from the stomachs of three A. rubiginosus, which provided the first evidence of catshark-catshark predator-prey interaction. � 2013 The Fisheries Society of the British Isles.

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