Note

Opisthoteuthis bruuni: Measurements and Counts

Richard E. Young and Michael Vecchione
Sex Male Holotype Male Male Male Male Female Female Female
Mantle length, mm 29 25 25 23 22 13 13 19
Mantle width, % mantle length 131 108 120 122 132 108 139 111
Head width, % mantle length 159 140 144 148 141 135 177 126
Fin length, % head width 30 31 31 29 29 29 35 23
Fin width, % fin length 71 68 64 78 87 90 - 91
Arm length, % total length 63 61 57 59 59 - - -
Mantle length, % longest arm length 63 69 85 77 76 93 93 100
Max. web sector depth, % longest arm length 80 78 80 70 79 86 93 79
Max. sucker (normal) diameter, % mantle length 3.5 2.7 3.0 3.3 2.7 3.9 3.9 3.1
Max. sucker (enlarged) diameter, % mantle length 7.9 6.0 5.0 4.7 5.3 - - -
Max. cirrus length, % mantle length 2.3 2.0 1.7 1.5 1.9 - - 1.3
Suckers on arm I 35 32 32 33 30 27 32 30
Gill lamellae, number 6 6 6 6 6 6 6 6

Comments

These measurements and counts are from Voss (1982). Many of the figures have been rounded to the nearest whole number.

References

Voss, G. L. 1982. Grimpoteuthis bruuni, a new species of finned octopod (Octopoda: Cirrata) from the Southeastern Pacific. Bull. Mar. Sci., 32: 426-433.

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University of Hawaii, Honolulu, HI, USA


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

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