Table 1. Morphometric
data of Pterocryptis Barakensis
|
|
Holotype |
Paratypes |
|||||||
|
%SL |
%HL |
%SL |
%HL |
||||||
|
Standard
length |
231.0 mm |
128.0-227.3
mm |
|||||||
|
|
Range |
Mean |
SD |
Range |
Mean |
SD |
|||
|
Body depth |
14.55 |
82.96 |
13.5-16.3 |
14.7 |
|
75.1-97.0 |
85.3 |
5.90 |
|
|
Caudal
length |
9.18 |
52.35 |
7.6-10.2 |
8.8 |
0.6 |
45.7-58.6 |
51.0 |
3.20 |
|
|
Head length |
17.53 |
|
16.3-18.3 |
17.3 |
0.5 |
|
|
|
|
|
Head height
at occiput |
9.96 |
56.79 |
9.8-10.8 |
10.1 |
0.3 |
56.1-63.3 |
58.6 |
2.30 |
|
|
Snout length |
7.14 |
40.74 |
6.5-7.5 |
7.1 |
0.3 |
39.1-4.2 |
41.0 |
0.76 |
|
|
Eye diameter |
1.52 |
8.64 |
1.4-1.6 |
1.5 |
0.1 |
8.2-9.5 |
8.7 |
0.30 |
|
|
Inter-orbital
space |
9.31 |
53.09 |
8.1-9.7 |
9.0 |
0.4 |
48.6-54.8 |
52.1 |
0.02 |
|
|
Length of
caudal peduncle |
3.38 |
19.26 |
3.1-4.5 |
3.6 |
0.4 |
17.4-27.1 |
20.7 |
2.34 |
|
|
Height of
caudal peduncle |
7.01 |
40.2 |
5.9-7.6 |
6.5 |
0.5 |
34.7-44.3 |
37.6 |
2.66 |
|
|
Pre-dorsal
length |
24.99 |
|
23.9-26 |
24.9 |
0.6 |
|
|
|
|
|
Dorsal fin
length |
|
|
|
|
|
|
|
|
|
|
Dorsal fin
height |
|
|
|
|
|
|
|
|
|
|
Pectoral
length |
11.34 |
64.69 |
10.5-12.0 |
11.2 |
0.4 |
60.7-70.0 |
64.9 |
2.00 |
|
|
Ventral
length |
7.14 |
40.74 |
6.3-7.9 |
7 |
0.5 |
35.5-44.9 |
40.5 |
2.65 |
|
|
Anal fin
length |
65.8 |
|
61.2-76 |
63.6 |
1.5 |
|
|
|
|
|
Maxillary
barbell |
28.14 |
|
26.7-36.7 |
30.0 |
2.4 |
|
|
|
|
|
Mandibular
barbell |
9.96 |
56.79 |
8.7-12.1 |
10.3 |
0.8 |
47.6-69.8 |
60.0 |
4.90 |
|
|
Head length
at occiput |
13.2 |
75.31 |
12.6-14.4 |
13.5 |
0.6 |
74.8-83.0 |
78.0 |
2.20 |
|
|
Head height
at eye |
6.93 |
39.51 |
6.2-7.3 |
7.0 |
0.2 |
37.4-42.0 |
40.5 |
1.34 |
|
|
Head width
at eye |
|
11.47 |
10.1-12.0 |
11.3 |
0.5 |
60.9-70.0 |
65.5 |
2.13 |
|
|
Head width
at neck region |
|
|
12.4-14.1 |
13.4 |
0.5 |
74.0-80.0 |
77.9 |
2.10 |
|
|
Body width
at dorsal fin origin |
12.16 |
69.38 |
11.1-14.4 |
12.7 |
1.0 |
62.2-87.0 |
73.6 |
7.20 |
|
|
Body width
at anal fin origin |
9.74 |
55.56 |
9.1-11.0 |
9.7 |
0.5 |
50.9-64.5 |
56.5 |
3.50 |
|
|
Pre-ventral
length |
30.39 |
|
30.5-34.7 |
33.0 |
1.2 |
|
|
|
|
|
Pre-anal
length |
33.17 |
|
33.5-38.8 |
36.3 |
1.5 |
|
|
|
|
|
Pre-anus
length |
32.03 |
|
32.2-35.6 |
34.4 |
1.1 |
|
|
|
|
|
Body depth
at anal fin origin |
13.85 |
79.01 |
13.7-15.4 |
14.4 |
0.5 |
75.8-90.0 |
83.8 |
3.76 |
|
|
Inter-nasal
distance (anterior) |
4.16 |
23.7 |
3.8-4.5 |
4.1 |
0.2 |
21.8-24.5 |
23.5 |
0.83 |
|
|
Inter-nasal
distance( posterior) |
4.24 |
24.2 |
4.3-4.8 |
4.5 |
0.2 |
24.0-27.9 |
26.1 |
0.96 |
|
|
Mouth gap
width |
10.82 |
61.73 |
9.4-11.5 |
10.5 |
0.5 |
56.3-62.9 |
60.8 |
1.63 |
|
|
Caudal fin
base length |
8.65 |
49.38 |
6.1-8.9 |
7.5 |
0.8 |
36.9-52.9 |
43.4 |
4.57 |
|
|
Ventral fin
base length |
3.9 |
22.22 |
3.0-4.4 |
3.6 |
0.4 |
17.0-25.7 |
21.1 |
2.32 |
|
|
Pectoral fin
base length |
4.33 |
24.69 |
3.7-4.7 |
4.1 |
0.3 |
21.0-26.6 |
23.9 |
1.52 |
|
|
Distance btw vent & anal fin |
1.65 |
9.38 |
1.8-3.2 |
2.3 |
0.4 |
10.4-19.1 |
13.3 |
2.79 |
|
|
Distance btw vent & ventral fin |
2.81 |
16.05 |
2.4-3.1 |
2.8 |
0.2 |
14.1-18.6 |
16.1 |
1.38 |
|
|
Distance
between anterior & posterior nostrils |
2.6 |
14.81 |
2.4-2.9 |
2.6 |
0.1 |
14.4-16.7 |
15.2 |
0.58 |
|
Image 1.
Lateral view of Pterocryptis barakensis
Figure 1. Arrangement of pores on head of P. barakensis
Figure 2. Skull of Pterocryptis barakensis
a - dorsal view; b - ventral view; LE - lateral
ethmoid; ME - mesethmoid; NA - nasal;
AF - anterior fontanel; FR - frontal; PF - posterior
fontanel; SO - supraoccipital; PT - pterotic;
EP - epioccipital; EX - exoccipital; PM -
premaxilla; VO - vomer; OS - orbitosphenoid;
PS - parasphenoid; PO - pro-otic; BO - basioccipital.
Figure 3. Suspensorium of Pterocryptis barakensis
MPT - metapterygoid; EPT - endopterygoid;
HYO - hyomandibular; POP - preopercular; QUA –
quadrate
Figure 4. Shoulder girdle of Pterocryptis
barakensis
Figure 5. Shapes of pelvic fins in A.
Pterocryptis morehensis and B. P. barakensis