Maternal Output in Polar Fish Reproduction
45
Table 1. (continued)
Species [Ref]
BL
ED
EV
FEe
MO
Nototheniops nudifrons [11]
191
2.50
8.18
3110
25453
Pagothenia borchgrevinki [11]
165
2.40
7.24
1500
10862
Pagothenia borchgrevinki [11]
235
na
na
3000
na
Trematomus bemacchii [11]
200
3.60
24.44
1200
29326
Trematomus bemacchii [33]
288
3.80
28.74
na
na
Trematomus hansoni [12, 33]
320
3.10
15.60
9600
149803
Trematomus hansoni [12, 33]
440
3.60
24.44
9600
234609
Polar - Arctic
Eleginus navaga [3]
180
1.50
1.77
20000
35357
Eleginus navaga [3]
200
1.90
3.59
62000
222750
Triglops pingeli [15]
140
2.25
5.97
430
2566
Icelus spatula [15]
90
2.00
4.19
190
796
Gymnocanthus tricuspis [15]
137
1.00
0.52
4710
2467
Leptagonus decagonus [15]
165
1.50
1.77
627
1108
Liparis gibbus [34]
135
1.13
0.76
4000
3023
Liparis gibbus [34]
180
1.70
2.57
12000
30881
Liparis /abricii [15]
90
0.85
0.32
300
97
Careproctus reinhardti [15]
170
4.50
47.73
154
7351
Careproctus micro pus [35]
69
3.00
14.14
na
na
Careproctus ranula [35]
54
3.50
22.46
na
na
Rhodichthys regina [35]
310
7.00
179.66
na
na
Lycodes rossii [15]
280
2.50
8.18
387
3167
Lycodes pal/idus pa/lidus [15]
179
4.00
33.52
42
1408
Lycodes reticulatus [15]
260
2.00
4.19
242
1014
Cottunculus microps [15]
175
5.00
65.48
145
9494
Eumicrotremus spinosus [15]
102
3.00
14.14
1187
16787
'Subspecies Iimandoides
bSubspecies lampretae/ormis
The dependence of the reproductive parameters (i.e. egg size, fecundity
and maternal output) on body length and zoogeography (polar vs boreal)
was tested by means of analysis of variance using zoogeography as a fixed
class variable and body length as a continuous variable (Table 2). The
GLM procedure in SAS was used to estimate F-values and significance
levels [16]. To meet the requirements of normality, fecundity and maternal
output were log-transformed for the variance analyses. The difference
between maternal outputs of pelagic vs demersal spawning species was
analyzed using Student's t-test for the total sample set and for fish
arbitrarily chosen as larger or smaller than 300 mm in body length.
45
Table 1. (continued)
Species [Ref]
BL
ED
EV
FEe
MO
Nototheniops nudifrons [11]
191
2.50
8.18
3110
25453
Pagothenia borchgrevinki [11]
165
2.40
7.24
1500
10862
Pagothenia borchgrevinki [11]
235
na
na
3000
na
Trematomus bemacchii [11]
200
3.60
24.44
1200
29326
Trematomus bemacchii [33]
288
3.80
28.74
na
na
Trematomus hansoni [12, 33]
320
3.10
15.60
9600
149803
Trematomus hansoni [12, 33]
440
3.60
24.44
9600
234609
Polar - Arctic
Eleginus navaga [3]
180
1.50
1.77
20000
35357
Eleginus navaga [3]
200
1.90
3.59
62000
222750
Triglops pingeli [15]
140
2.25
5.97
430
2566
Icelus spatula [15]
90
2.00
4.19
190
796
Gymnocanthus tricuspis [15]
137
1.00
0.52
4710
2467
Leptagonus decagonus [15]
165
1.50
1.77
627
1108
Liparis gibbus [34]
135
1.13
0.76
4000
3023
Liparis gibbus [34]
180
1.70
2.57
12000
30881
Liparis /abricii [15]
90
0.85
0.32
300
97
Careproctus reinhardti [15]
170
4.50
47.73
154
7351
Careproctus micro pus [35]
69
3.00
14.14
na
na
Careproctus ranula [35]
54
3.50
22.46
na
na
Rhodichthys regina [35]
310
7.00
179.66
na
na
Lycodes rossii [15]
280
2.50
8.18
387
3167
Lycodes pal/idus pa/lidus [15]
179
4.00
33.52
42
1408
Lycodes reticulatus [15]
260
2.00
4.19
242
1014
Cottunculus microps [15]
175
5.00
65.48
145
9494
Eumicrotremus spinosus [15]
102
3.00
14.14
1187
16787
'Subspecies Iimandoides
bSubspecies lampretae/ormis
The dependence of the reproductive parameters (i.e. egg size, fecundity
and maternal output) on body length and zoogeography (polar vs boreal)
was tested by means of analysis of variance using zoogeography as a fixed
class variable and body length as a continuous variable (Table 2). The
GLM procedure in SAS was used to estimate F-values and significance
levels [16]. To meet the requirements of normality, fecundity and maternal
output were log-transformed for the variance analyses. The difference
between maternal outputs of pelagic vs demersal spawning species was
analyzed using Student's t-test for the total sample set and for fish
arbitrarily chosen as larger or smaller than 300 mm in body length.