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Finned octopus Cirroteuthis Eschricht, 1836 (Cephalopoda: Cirrata: Cirroteuthidae) confirmed from Australian waters

journal contribution
posted on 2023-08-28, 23:30 authored by Tristan Verhoeff
The finned octopus Cirroteuthis muelleri is abundant in the far northern hemisphere, yet limited records exist of a possible undescribed southern hemisphere species, Cirroteuthis cf. muelleri. A single specimen of C. cf. muelleri was identified amongst material collected during a 2017 abyssal survey off eastern Australia. The specimen had a dorsal mantle length of about 116 mm when fresh and 56 mm following preservation and was captured at 2338−2581 m depth. Morphological characteristics of this specimen aligned closely with C. cf. muelleri from New Zealand, and differences in these to C. muelleri from the North Atlantic and North Pacific, combined with the disjunct distribution, warrant further investigation of the southern hemisphere specimens as a possible new species. This discovery represents a significant range extension of Cirroteuthis and is the first occurrence of this genus from Australian waters.

History

Sub-type

  • Article

Publication title

MOLLUSCAN RESEARCH

Volume

42

Issue

3

Pagination

205-211:7

eISSN

1448-6067

ISSN

1323-5818

Department/School

Menzies Institute for Medical Research

Publisher

TAYLOR & FRANCIS LTD

Publication status

  • Published

Rights statement

© 2022 The Malacological Society of Australasia and the Society for the Study of Molluscan Diversity

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