Differences in the shell shape of Lymnaea peregra (müller) (gastropoda: Pulmonata) from lotic and lentic habitats; environmental or genetic variance?

P. K.S. Lam, P. Calow

    Research output: Contribution to journalArticle

    35 Scopus citations

    Abstract

    Lymnaea peregra from lotic habitats (running waters) had larger aperture-length/shell-length ratios than contemporaries from lentic sites (standing waters). This pattern was observed in field samples from two separate years (1985 and 1986). Laboratory culture experiments suggested that shell shape could be genetically determined in at least some populations. We hypothesize that lotic snails possess bigger feet, and hence larger apertures than lentic individuals as an adaptation to withstand water current

    Original languageEnglish (US)
    Pages (from-to)197-207
    Number of pages11
    JournalJournal of Molluscan Studies
    Volume54
    Issue number2
    DOIs
    StatePublished - May 1 1988

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