Note

Planctoteuthis oligobessa Description

Richard E. Young

From Young, 1972:

  1. Arms
    1. I: 32-39% of ML (subadults).
    2. III: 47-61% of ML (subadults).
    3. IV: 121-135% of ML (subadults).
    4. I: 24-25% of ML (adults).
    5. II-IV 29-39% of ML (adults).
  2. Arm suckers
    1. Large arm suckers with 25-35 small, narrow, blunt teeth on distal 3/4 of ring. A-D: Largest arms suckers from arms I-IV respectively.
      Click on an image to view larger version & data in a new window
      Click on an image to view larger version & data in a new window
    2. Total of 2-4 suckers on each arm IV.
  3. Tentacular clubs
    1. Club length 12-18% of ML
    2. Suckers without teeth on ring.
    3. Keels apparently lacking.
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      Click on an image to view larger version & data in a new window
  4. Photophores
    1. Absent
  5. Funnel
    1. Locking apparatus with small antitragus.
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      Click on an image to view larger version & data in a new window
  6. Fins
    1. Length 23-33% of ML.

Illustrations

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University of Hawaii, Honolulu, HI, USA

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