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Todaropsis Girard 1890

Todaropsis eblanae (Ball 1841)

Golden arrow squid

Michael Vecchione and Richard E. Young
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Containing group: Todarodinae

Introduction

T. eblanae has a rather short, broad mantle, broad head, long arms and large fins. It is a demersal species commonly associated with the shelf/slope break (Roper, et al., 2010).

Brief diagnosis:

 A Todarodinae with ...

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Figure. Dorsal view of T. eblanae.Drawing from Dunning (1998).

Characteristics

  1. Arms
    1. Arm protective membranes and trabeculae normal.
    2. Both arms IV hectocotylized.
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    Figure. Oral view of the hectocotylized arms of T. eblanae. Left - Drawing of squid from the Mediterranean from Pfeffer (1912). Presumably the hectocotylus was not fully mature. Right - Drawing of squid from the western Central Pacific from Dunning (1998).

  2. Tentacles
    1. Tentacular stalks without free trabeculae. 
    2. Tentacle long with stalk longer than club.
    3. Large, medial club suckers with 30 or more pointed, subequal teeth, without intermediate ridge or plates; with single larger tooth distally in some specimens.
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    Click on an image to view larger version & data in a new window

    Figure. Oral view of the tentacular club of T. eblanae.Drawing from Pfeffer (1912).

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    Click on an image to view larger version & data in a new window

    Figure. Oral view of the sucker ring from the largest club sucker of T. eblanae. Left - Drawing from Roeleveld (1988). Right - Drawing from Dunning (1998).

  3. Head
    1. Funnel groove without foveola or side pockets.

  4. Funnel: Funnel/mantle locking-apparatus
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    Click on an image to view larger version & data in a new window

    Figure. Funnel (left) and mantle (right) components of the funnel/mantle locking apparatus of T. eblanae. Drawing from Pfeffer (1912).

  5. Fins
    1. Fins large. Fin length more than 40% of ML.

Distribution

Type locality: Dublin Bay, Ireland.

Distribution in the Mediterranean Sea and eastern Atlantic Ocean is from the Shetland Islands to Cape Town, South Africa; in the western Indian Ocean it is associated with several mid-ocean banks; in the Pacific it is found in the South China Sea and off Australia  (Roper et al., 2010).

Other Names for Todaropsis eblanae (Ball 1841)

References

Dunning, M. C. 1998. Ommastrephidae. In: Carpenter, K.E.; Niem, V.H. (eds) FAO species identification guide for fishery purposes.The living marine resources of the Western Central Pacific. Volume 2. Cephalopods, crustaceans,holothurians and sharks. Rome, FAO. 1998. 687-1396 p.

Pfeffer, G. 1912. Die Cephalopoden der Plankton-Expedition. Ergebniss der Plankton-Expedition der Humboldt-Stiftung. 2: 1-815.

Roper, C. F. E, Nigmatulin, C. and P. Jereb. 2010. P. 345-347. In: Jereb. P; Roper, C.F.E (eds). Cephalopoda of the world. An annotated and illustrated catalogue of cephalopod species known to date. Vol. 2. Myopsid and Oegopsid Squids. FAO Species Catalogue for Fishery Purposes. No. 4, Vol.2. Rome, FAO. 2010.

Title Illustrations
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Scientific Name Todaropsis eblanae
Reference Pfeffer, G. 1912. Die Cephalopoden der Plankton-Expedition. Ergebniss der Plankton-Expedition der Humboldt-Stiftung. 2: 1-815.
View Dorsal, ventral
Size 82 mm ML
About This Page


National Museum of Natural History, Washington, D. C. , USA


University of Hawaii, Honolulu, HI, USA

Page: Tree of Life Todaropsis Girard 1890. Todaropsis eblanae (Ball 1841). Golden arrow squid. Authored by Michael Vecchione and Richard E. Young. The TEXT of this page is licensed under the Creative Commons Attribution-NonCommercial License - Version 3.0. Note that images and other media featured on this page are each governed by their own license, and they may or may not be available for reuse. Click on an image or a media link to access the media data window, which provides the relevant licensing information. For the general terms and conditions of ToL material reuse and redistribution, please see the Tree of Life Copyright Policies.

Citing this page:

Vecchione, Michael and Richard E. Young. 2014. Todaropsis Girard 1890. Todaropsis eblanae (Ball 1841). Golden arrow squid. Version 21 January 2014 (under construction). http://tolweb.org/Todaropsis_eblanae/19935/2014.01.21 in The Tree of Life Web Project, http://tolweb.org/

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