Overview

Brief Summary

Introduction

A. siedleckyi may be a southern temperate species. It resembles, however, the tropical Pacific A. heminuchalis and they may prove to be the synonymous.

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Comprehensive Description

Characteristics

  1. Tentacle clubs
    1. Two or three hooks on ventral side.
    2. Two rows of large suckers on dorsal side of manus.

  2. Hectocotylus
    1. Left ventral arm of male hectocotylized.
    2. Hectocotylus with two different sized off-set flaps: an elongate, proximal flap on ventral margin and much shorter, distal flap on dorsal margin.

  3. Eye Photophores
    1. Five complex organs: two terminal, opaque organs and three intermediate silvery organs.
    2. Posterior opaque organ much larger than others; anterior opaque photophore about the same size as the largest intermediate organ.

      Figure. Ventral view of the ocular photophores of A. siedleckyi, holotype. Drawing from Lipinski (1983).

  4. Integumental Photophores
    1. Arms IV with scattered photophores between the two photophore series (the series on the edge of the lateral memberane constitutes a third series).
    2. Ventral mantle and head with scattered arrangement of integumental organs.

  5. Mantle apex ("tail")
    1. Broad and extends well beyond conus of gladius.

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Distribution

Geographical distribution

Information on distribution is scarse. The type locality is off southwest Cape, South Africa at 39°05'S, 13°43'E. A very similar specimen was collected from the southeast coast of Australia.

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Ecology

Habitat

mesopelagic
  • UNESCO-IOC Register of Marine Organisms
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

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Wikipedia

Abralia siedleckyi

Abralia siedleckyi is a species of enoploteuthid cephalopod known from its type locality in the waters off South Africa. It resembles A. heminuchalis, and may be synonymous with it.

References[edit]

  1. ^ Barratt, I. & Allcock, L. (2014). "Abralia siedleckyi". IUCN Red List of Threatened Species. Version 2014.2. International Union for Conservation of Nature. Retrieved 28 August 2014. 
Creative Commons Attribution Share Alike 3.0 (CC BY-SA 3.0)

Source: Wikipedia

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