Figure. Ventral view of P. danae, 47 mm ML. Drawing from Roper and Young (1967).
- Arms
- Arm lengths: arms I: 38-44% of ML (subadults); arms III: 50-55% of ML (subadults); arms IV: 74-91% of ML (subadults).
- Arm I with ca. 40 pairs of suckers; arm II with 45 pairs of suckers; arm III with 35 pairs of suckers; arm IV with 12 suckers on proximal quarter (Joubin, 1931).
- Largest arm suckers in small squid with 7-9 small, blunt teeth on distal margin of ring; proximally teeth fuse into a virtually smooth ring.
- Lateral arms in holotype with two greatly enlarged (2-3 times larger) suckers; enlarged suckers at position of sucker pairs 15 and 16 on arms II and 18 and 19 on arms III (Joubin, 1931).
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Figure. Oral views of arm III (top) and arm IV of P. danae, holotype. Drawings from Joubin (1931).
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Figure. Side view of arm III of P. danae, holotype, showing two enlarged suckers in mid-arm. Photograph by R. Young.
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Figure. Left - Oral views of large arm suckers of P. danae, 47 mm ML, eastern tropical Pacific Ocean. A-D - Suckers from arms I-IV respectively. Drawings from Roper and Young (1967). Right - Oral view of enlarged sucker of a lateral arm, holotype. Drawing from Joubin (1931).
- Tentacular clubs
- Club of holotype with about 60 suckers (Joubin, 1931)
- "Carpal" suckers on club with broader appertures than regular club suckers.
- Sucker rings, from mid-club suckers, smooth. Click on an image to view larger version & data in a new window
Figure. Oral views of club and club suckers from P. danae, 47 mm ML, Gulf of Panama. A - Sucker from club "manus." B - Club. C - Sucker from club "carpus." Drawings from Roper and Young (1967).
Comments
This description is from Roper and Young (1967) unless otherwise indicated.
