Note

Grimpoteuthis wuelkeri: Measurements and Counts

Martin Collins, Richard E. Young, and Michael Vecchione
  Female HolotypeFemale FemaleFemale Male
Total length, mm 165 340 355 400 195
Mantle length 46 110 115 110 64
Head width 45 100 110 93 55
Fin span 134 215 240 230 150
Fin length 47 80 75 93 55
Fin width 19 32 36 40 21
Eye diameter 12 31 31 34 20
Arm I, length 120 230 240 270 145
Sucker count 70 66 62 64 -
Arm formula I.II.III.IV I=II.III.IV I=II.III.IV I=II.III.IV I=II.III.IV
Web formula ABC=DE ABCDE ABCDE ABCDE ABCDE
Max. sucker diam. 2.0 3.5 4.0 5.5 2.2
Max. cirrus length 2.9 5.0 6.5 4.6 5.5
Location, largest suckers 8-25 10 10 10 10
First cirrus between suckers 4 and 6 5 and 7 4 and 5 5 and 6 4 and 6
Web trabecula at sucker 25-28 30,26,23,23 26,24,22,20 25,23,?,? 26,24,23,22
Gill lamellae 7 6/7 6/7 7/7 6/6
Gill diameter 7.7 14 16 17.5 9

Comments

These measurements and counts are from Collins, 2003.

References

Collins, M. A. 2003. The genus Grimpoteuthis (Octopoda: Grimpoteuthidae) in the North-east Atlantic, with descriptions of three new species. Zool. Journ. Linnean Soc., 139: 93-127.

About This Page

Martin Collins
Aberdeen University, Aberdeen, UK


University of Hawaii, Honolulu, HI, USA


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

All Rights Reserved.

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