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Note

Planctoteuthis oligobessa Description

Richard E. Young

From Young, 1972:

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).
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.
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2. Total of 2-4 suckers on each arm IV.
Tentacular clubs
1. Club length 12-18% of ML
2. Suckers without teeth on ring.
3. Keels apparently lacking.
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Photophores
1. Absent
Funnel
1. Locking apparatus with small antitragus.
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Fins
1. Length 23-33% of ML.

Illustrations

Largest arm suckers from: A- Arm I. B- Arm II. C- Arm III. D- Arm IV (ML 27 mm).
Club sucker and club (ML 27 mm).
Funnel locking-apparatus (ML 27 mm). All illustrations from Young, 1972.

About This Page

University of Hawaii, Honolulu, HI, USA

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