Image 1. Side
view of Badis dibruensis,
holotype, adult male, MUMF-Per 95, 39.3mm SL
Image 2. Side
view of Badis dibruensis,
paratype, adult female, MUMF-Per 96, 37.3mm
SL
Figure 1. Map
showing type locality of Badis dibruensis
Key to
species of genus Badis
of India
1.
Body without dark brown or vertical
black bars on sides … … … B. dibruensis sp.
nov.
Body
with dark brown or vertical black bars on side …
…. … 2
2.
Conspicuous blotch behind opercle dorsally …
… … 3
No blotch behind opercle
dorsally …
… … 4
3.
Body with 10-11 distinct bars …
… … B. ferrarisi
Body with indistinct bars … … … 5
4.
Toothplates 7-9, scales in 1ateral row 29 …
… ... B. assamensis
Toothplates
more than 9, scales in lateral row 27
… ... … B.
blosyrus
5.
No spot between 3-5 dorsal fin spines …
… … B. badis
A dark spot between 3-5 dorsal fin
spines …
… … 6
6.
Bars narrow, circumpeduncular scales 16 … … … B. kanabos
Bars broad, circumpeduncular
scales 20 …
… ... B. tuivaiei
Table 1. Proportional measurements of Badis dibruensis sp. nov. in percentage of standard length except standard length.
|
|
Holotype
|
Paratypes N=4 |
Paratypes N=10 |
||||||
|
Proportional
Measurements |
|
Mean |
Min. |
Max. |
S.D. |
Mean |
Min. |
Max. |
S.D. |
|
Standard
length (mm) |
39.3 |
|
|
|
|
|
|
|
|
|
Head
length |
29.3 |
31.7 |
26.5 |
36.5 |
5.0 |
30.1 |
26.5 |
36.5 |
3.3 |
|
Snout
length |
6.6 |
7.5 |
6.8 |
8.3 |
0.7 |
6.8 |
5.4 |
8.3 |
0.9 |
|
Orbital
diameter |
7.6 |
9.0 |
8.7 |
9.7 |
0.6 |
8.6 |
7.6 |
9.4 |
0.7 |
|
Interorbital
width |
15.0 |
11.3 |
10.7 |
12.2 |
0.8 |
11.4 |
9.9 |
15.0 |
1.7 |
|
Upper
jaw length |
6.6 |
6.4 |
6.1 |
6.9 |
0.5 |
6.4 |
6.1 |
6.9 |
0.3 |
|
Lower
jaw length |
7.9 |
8.1 |
7.8 |
8.3 |
0.3 |
7.8 |
7.1 |
8.3 |
0.4 |
|
Body
depth |
29.5 |
28.3 |
25.4 |
30.0 |
2.5 |
29.6 |
25.4 |
30.1 |
1.9 |
|
Pelvic
fin length |
27.5 |
24.8 |
22.6 |
27.4 |
2.4 |
25.9 |
22.6 |
27.5 |
1.8 |
|
Pelvic
to anal fin distance |
30.5 |
31.5 |
26.1 |
35.8 |
4.9 |
31.8 |
26.1 |
35.8 |
3.6 |
Table 2. Counts of Badis dibruensis sp.nov. In case of paratypes, maximum and minimum numbers are given.
|
Counts |
Holotype |
Min. |
Max. |
|
D |
16/8 |
15/8 |
17/8 |
|
P |
14 |
13 |
14 |
|
A |
iii,6 |
5 |
8 |
|
Lateral
scale rows |
27 |
25 |
29 |
|
Lateral
scale count |
20/4 |
19/4 |
22/5 |
|
Lateral
transverse scales |
1½/1/6 |
1½/1/6 |
1½/1/6 |
|
Circumpeduncular
scales |
22 |
21 |
22 |
|
Toothplate
count |
|
7 |
7 |
|
vertebrae |
|
27 |
27 |
Table 3. Frequency distribution of meristic
characters
- Dorsal fin
counts (spines/soft rays)
|
Counts |
15/8 |
16/8 |
16/9 |
17/8 |
|
Specimens |
1 |
8 |
3 |
3 |
- Anal fin
counts
|
Counts |
5 |
6 |
7 |
8 |
|
Specimens |
2 |
7 |
3 |
3 |
- Pectoral
fin counts
|
Counts |
13 |
14 |
|
Specimens |
4 |
11 |
- Lateral
scale rows
|
Counts |
25 |
26 |
27 |
28 |
29 |
|
Specimens |
1 |
3 |
9 |
- |
2 |
- Lateral
line scale counts (upper/lower scales)
|
Counts |
19/4 |
20/4 |
21/4 |
21/5 |
22/5 |
|
Specimens |
1 |
10 |
1 |
1 |
2 |
- Tooth plate
|
Counts |
6 |
7 |
|
Specimens |
1 |
2 |
- Vertebrae
number
|
Counts |
15/12 |
15/13 |
|
Specimens |
2 |
1 |
Table 4. Comparison of proportional measurements in percentage of
standard length and counts of Badis dibruensis sp.nov.
with related species in mean and (range in parentheses).
|
Proportions |
B.
dibruensis sp. nov. |
B.
badis |
B.
kanabos |
B.
tuivaiei |
|
Interorbital
width |
11.4
(9.9-15.0) |
7.4(6.5-8.3) |
5.7(5.1-6.2) |
6.4(5.6-7.2) |
|
Orbital
diameter |
8.6(7.6-9.4) |
11.6(10.8-12.3) |
11.1(9.5-12.7) |
7.5(6.1-9.4) |
|
Upper
jaw length |
6.4(6.1-6.9) |
9.2(8.2-10.2) |
8.7(7.6-9.8) |
8.9(8.5-10.4) |
|
Lower
jaw length |
7.8(7.1-8.3) |
12.9(11.3-14.5) |
10.2(9.8-10.5) |
13.9(10.9-16.4) |
|
Vertebrae |
27 |
27(26-28) |
27(26-28) |
31(30-31) |