Note

Grimpoteuthis boylei Measurements and Counts

Martin Collins, Richard E. Young, and Michael Vecchione
Sex Male Holotype Male Male Male Female Female Female Immature
Total length, mm 470 440 370 220 265 440 350
Mantle length 90 65 63 35 43 115 64
Head width 90 75 64 45 55 125 62
Fin span 230 205 180 120 155 270 150
Fin length 95 85 60 45 48 95 45
Fin width 42 23 17 17 13 45 18
Eye diameter 30 33 23 18 18 35 22
Arm I, length 340 340 320 180 195 330 250
Arm formula I.II.III.IV I.II.III.IV I.II.III.IV I=II.III.IV I.II.III.IV I.II.II.IV I.II.III.IV
Web formula ABCDE A=BCDE ABCDE AB=CDE A=B=CDE AB=C=DE Damaged
Sucker count 55 56 56 58 58 55 -
Max. sucker diam. 7.5 6.5 4.0 2.5 2.2 5.0 3.0
Max. cirrus length 16 11 9.0 8.0 8.0 18 -
Location, largest suckers 26-32 25-35 25-35 27-31 26-34 24-30 25-30
First cirri between suckers 4 and 6 4 and 6 4 and 6 4 and 5 5 and 7 4 and 5 -
Web trabecula at sucker 29,25,23,23 31,28,26,26 30,26,24,24 30,27,24 ?,?,?,27 ?,27,26,24 -
Gill lamellae (total) 8/7 8/8 8/8 8/8 8/8 7/7 7/8
gill diameter 13 14 10.0 6.5 9.0 17 9.0

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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