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Table 6 Data on individuals of Muusoctopus sp. 1

From: A review of the genus Muusoctopus (Cephalopoda: Octopoda) from Arctic waters

Individuals/

character

GRL-PA-7-

20–1-2016

GRL-PA-7-

20–2-2016

GRL-PA-7-

117–2016

USNM 574859a

Area

GRL

GRL

GRL

CAN

Sex

Male

Male

Female

Female

Maturity stage

Late

immature

(II)

Early

immature

(I)

Early

immature

(I)

Late

immature

(II) (?)

ML, mm

30

23

22

31

TL, mm

148

118

99

n/a

Ventral ML, mm

26

19

17

n/a

Mantle width, mm

32

20

23

34

Head length, mm

13

9

8

n/a

Head width, mm

26

19

17

n/a

Eye diameter, mm

8.5

7.0

6.0

n/a

Lens diameter, mm

3.0

2.0

2.0

n/a

Funnel length, mm

13.0

9.0

9.0

14.0

Free funnel

length, mm

7.0

5.5

6.0

11.0

Web depth, mm

(min – max)

20–27

12–16

13–17

13–21

Web formula

a > c > b > d > e

b > c > d > a > e

b > c = d > e > a

c = d > b > a > e

Arm length, mm

(min – max)

79–105

69–86

54–69

80–85

Arm formula

1 > 2 = 4 > 3

1 > 2 > 3 > 4

1 > 2 > 3 > 4

3 > 1 = 2 = 4

Sucker count

(min – max)

102–118

88–108

84–100

81

Sucker diameter

(max), mm

3.0

2.0

2.0

3.0

Gill length, mm

13.5

9.6

8.6

n/a

Gill lamellae count,

outer/inner

10/9

10/9

9/9

8/8

Hectocotylized arm

length, mm

74

59

–

–

Hectocotylized arm

sucker count

66

56

–

–

Ligula length, mm

4.8

2.7

–

–

Ligula width, mm

3.0

1.5

–

–

Calamus length, mm

1.8

1.8

–

–

  1. ML mantle length, TL total length, GRL north Baffin Bay (West Greenland), CAN Canadian Arctic Archipelago; n/a not analyzed
  2. aexamined by A. L. Allcock (A. L. Allcock, unpubl. data)