Basic HTML Version
International Journal of Marine Science 2014, Vol.4, No.59, 1-5
http://ijms.biopublisher.ca
3
Table 2 Morphometric and biometric (expressed as percentage of SL) characteristics of 10 specimens of
Gerres limbatus
, collected
from Iraqi waters (min=minimum, max=maximum, sd=standard deviation., all measurements in mm), SL = standard length
Character
Min-Max (Mean ±SD)
Proportional measurements as expressed as percentage of SL
Total Length (TL)
75-163 (132.8±24.60)
-
Standard length (SL)
60-134 (116.22±20.07)
-
Forked length
66-146 (129.38±22.94)
-
Body depth
29.3-52.5 (45.11±6.17)
36.07-48.83(40.46±3.72)
Body depth at first anal fin spine base 32.3-44.0(38.5±3.99)
30.76-37.43(33.62±2.11)
Body width at pectoral fin base
7.5-23.0(19.20±4.03)
12.57-18.57(16.34±1.78)
Head length
18.9-40.0(32.64±5.67)
25.89-31.50(28.25±1.68)
Head depth
21.1-44.0(37.30±6.68)
29.14-35.17(29.41±2.01)
Head width
7.8-22.1(18.76±4.17)
13.00-17.82(14.39±1.60)
Bony interorbital width
5.4-14.0(12.40±2.55)
9.00-11.86(9.61±0.92)
Eye diameter
5.7-14.0(12.44±2.23)
9.50-12.39(10.77±0.94)
Lower jaw length
2.7-14.0(9.53±4.32)
4.08-11.59(7.06±3.04)
Upper jaw length
4.2-12.5(9.17±3.43)
4.58-9.71(6.79±2.53)
Dorsal fin length
32.5-74.0(59.45±10.97)
46.17-55.22(51.07±2.68)
)
1st dorsal fin height
7.0-20.5(17.52±4.30)
10.26-18.29 (14.71±2.62)
Longest ray in pectoral fin
13.0-44.5(38.34±9.27)
21.67-37.70(31.60±4.25)
)
Pelvic fin spine
10.5-17.7(15.29±2.42)
11.54-15.66(13.01±1.18)
Longest ray in pelvic fin
19.2-31.4(25.17±3.70)
18.71-27.79(19.64±2.74)
Anal fin length
15.1-26.8(20.10±3.43)
15.81-44.68(18.74±9.36)
1st anal fin ray
9.6-17.0(14.79±2.74)
8.28-17.00(12.96±2.42)
Caudal fin length
24.0-39.2(31.37±5.19)
22.43-34.69(24.58±3.71)
Snout length
6.1-11.0(9.07±1.60)
6.41- 12.35(8.12±1.73)
Predorsal length
25.2-51.0(45.37±7.73)
36.45-43.14(39.87±1.79)
Prepectoral
19.1-40.0(33.51±5.50)
25.89-31.83(29.27±2.08)
Prepelvic length
21.1-50.2(43.18±7.81)
34.38-40.00(37.35±2.17)
Pre anus length
55.5-80.0(68.21±9.10)
53.27-70.80(59.06±4.87)
Preanal length
65.2-91.5(78.49±8.94)
63.10-76.11(68.24±4.24)
Pelvic-anal length
8.5-44.0(34.2±12.04)
8.54-34.73(27.79±8.92)
Post orbit distance
5.7-16.5(12.77±3.18)
8.54-12.83(9.72±1.38)
Peduncle length
5.2-31.5(25.10±7.24)
8.77-23.51(19.63±4.31)
Peduncle depth
3.5-22.5(19.57±5.25)
5.83-21.45(16.29±4.01)
1st dorsal fin spine
2.8-5.5(4.20±0.96)
2.42-4.63(3.56±0.74)
2nd dorsal fin spine
10.4-23.0(18.91±4.04)
9.20-19.83(16.22±3.08)
3rd dorsal fin spine
17.7-23.2(20.26±2.20)
16.54-19.83(17.55±1.10)
1st anal fin spine
2.1-5.0(4.04±1.08)
1.84- 4.31(3.21±0.76)
2nd anal fin spine
10.5-20.0(16.06±2.73)
9.05- 14.95(13.73±1.94)
3rd anal fin spine
10.8-18.5(15.28±2.42)
9.31- 14.38(13.12±1.63)
Dermal eye opening
10.5-12.5(11.46±0.62)
8.21- 11.06(9.85±0.93)
Mouth height
6.6-9.0(7.83±0.84)
5.86- 7.70(6.80±0.69)
Extended upper jaw
8.6-14.0(11.36±1.88)
8.19-12.39(9.72±1.37)
black saddles (barely discernible in the 60 mm SL
specimen) with yellow pectoral and pelvic and
anterior third of the anal fins and most of the
caudal fin.
The membrane between the spinous
parts of dorsal fin have numerous black blotches
(Figure 2).