Slosarczykovia circumantarctica Lipinski, 2001

Introduction

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Figure. Dorsal view of squid thought to be A. antarcticus, Antarctic waters at 1400 m depth. ROV photograph provided by J. T. Copley

Characteristics

1. Arms
   1. Arms sucker ring with considerable variation: from completely smooth margin - through few densely packed teeth - to many loosely packed teeth.
   

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   Figure. Oral view of the sucker ring of a large arm sucker of S. circumantarctica. Photograph by R. Young.

2. Tentacles
   1. Largest suckers from proximal manus about 3/4 diameter of largest sucker from proximal dactylus.
   2. Carpal locking-apparatus absent.
      
   3. 13 small "carpal" suckers form uniform, single series along dorsal margin of the manus. These suckers are present on the holotype.
      
      

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      Figure. Oral view of the tentacular club of S. circumantarctica.Drawing from Lipinski (2001).
      

      

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      Figure. Oral view of a damaged tentacular club of S. circumantarctica, preserved, male, 66 mm ML. Arrows point to the small "carpal" suckers. Photograph by R. Young.

3. Head
   
   1. Beaks: Descriptions can be found here: Lower beak; upper beak.
      
      
4. Mantle
   1. Fibrous integumental net covers mantle in squid larger than 60 mm ML; fibrous net also covers fins, head and arms.
   

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   Figure. S. circumantarctica showing skin net. Left - Ventral view of head and mantle. Note peculiar iridescence to the eyes suggesting unrecognized luminescent structure. Right - Dorsal view of mantle. Photographs by D. Stevens.
   

   

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   Figure. Dorsal views of S. circumantarctica showing the location of the reticulate skin.Drawing from Lipinski (2001).
   

Comments

A major feature that distinguishes Slosarczykovia is the absence of a carpal locking apparatus. The series of "carpal" suckers suggest that a locking apparatus may be present. However, no corresponding series of knobs has yet been recognized.

Distribution

Other Names for Slosarczykovia circumantarctica Lipinski, 2001

• Slosarczykovia Lipinski, 2001

References

Lipinski, M. R. 2001. Preliminary description of two new species of cephalopods (Cephalopoda: Brachioteuthidae) from South Atlantic and Antarctic waters. Bull. Sea Fish. Inst., (152): 1-14.