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Zoology Publications from Victoria University of Wellington—Nos. 49 to 51

Abstract

Abstract

Nemesis lamna Risso is reported from New Zealand waters on Isurus oxyrinchus, Carcharodon carcharias and Cetorhinus maximus; the specimens from the last host are considered subspecifically distinct and identified as N.l. vermi Scott; Nemesis robusta (van Beneden) is reported from Alopias vulpinus; N. pallida Wilson is a synonym of N. robusta; Congericola pallidus van Beneden is reported from Conger vereauxi; variation in Nemesis due to contraction, host influence and individual variation in spination is recorded; previous records of all the above species are discussed.