Note

Grimpoteuthis discoveryi: Measurements and Counts

Martin Collins, Richard E. Young, and Michael Vecchione
  Male Holotype Male Paratype Male Paratype Male Paratype Female Paratype Female Paratype Female Paratype Female Paratype
Total length 210 210 180 145 155 210 195 152
Mantle length 50 45 42 36 35 55 51 46
Head width 47 60 52 32 38 52 40 39
Fin span 138 145 130 91 110 125 125 115
Fin length 55 55 50 37 40 45 45 48
Fin width 21 25 22 16 18 22 22 20
Eye diameter 19 19 16 11 11 15 12 12
Arm I, length 165 160 140 105 100 130 130 105
Arm formula I.II.III.IV I.II.III.IV I.II.III.IV I.II.III.IV I.II.III.IV I.II.III.IV I.II.III.IV I.II.III.IV
Web formula Damaged Damaged ABCDE ABCDE ABCDE ABCDE Damaged ABCDE
Sucker count 58 59 58 57 58 58 58 61
Max. sucker diam. 3.4 3.0 2.8 2.2 1.5 2.2 2.0 2.0
Max. cirrus length 4.5 3.0 3.5 2.5 3.0 4.1 3.8 2.2
Location, largest suckers 8-40 7-40 7-36 7-35 8-36 6-30 6- 7-35
First cirrus between suckers 3 and 5 3 and 4 3 and 5 4 and 5 3 and 5 3 and 4 4 and 5 4 and 5
Web trabecula at sucker ?,29,27,? Damaged ?,?,24,?   ?,26,26,? ?,24,22,? 31,29,?,? 30,29,29,?
Gill lamellae 7/7 7/8 7/8 7/7 7/7 7/7 8/7 6/6
Gill diameter 8.5 7.2 7.2 6.0 6.0 7.5 7.5 8.0

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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