Channa andrao, a new species of dwarf snakehead from West Bengal, India (Teleostei: Channidae)
Author
Britz, Ralf
text
Zootaxa
2013
3731
2
287
294
journal article
42905
10.11646/zootaxa.3731.2.9
2ed4d413-1628-4af9-8ce0-94f224479524
1175-5326
221617
E17CEF13-F120-4C30-B60D-BD00431B748A
TABLE 1. Selected morphometric data for holotype (BMNH 2013.10.1.2) and 9 paratypes (BMNH 2013.10.1.3–11) of Channa andrao. | C. andrao N=10 (holotype) | mean+standard deviation |
|---|
| Standard length in mm | 82.0-100.3 (98.2) | |
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| In percent of standard length | | |
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| Head length | 26.7–29.0 (27.9) | 28.0± 0.8 |
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| Head depth | 14.3–15.3 (15.2) | 14.8±0.4 |
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| Head width | 17.9–19.0 (18.8) | 18.4±0.4 |
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| Body depth | 15.1–17.5 (16.3) | 16.4±0.7 |
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| Body width | 9.8–13.1 (11.2) | 11.3±0.9 |
|---|
| Predorsal length | 32.4–35.1 (35.1) | 33.2±1.0 |
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| Preanal length | 49.2–51.5 (50.2) | 50.2±0.7 |
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| Prepectoral length | 29.3–31.8 (29.9) | 30.4±0.9 |
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| Dorsal fin length | 64.6–68.8 (66.3) | 66.0±1.3 |
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| Anal fin length | 40.8–44.5 (43.9) | 43.0±1.1 |
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| Pectoral fin length | 17.1–20.9 (18.2) | 18.5±1.2 |
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| Caudal peduncle length | 4.7–6.3 (6.2) | 5.7±0.6 |
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| Caudal peduncle depth | 10.3–11.5 (11.4) | 10.9±0.4 |
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| Snout length | 4.2–4.9 (4.9) | 4.6±0.2 |
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| Eye diameter | 4.5–4.9 (4.7) | 4.6±0.1 |
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| Preorbital depth | 8.4–9.5 (9.1) | 8.8±0.4 |
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| Postorbital length | 18.1–19.8 (18.4) | 18.8±0.5 |
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| Interorbital width | 7.9–8.7 (8.1) | 8.3±0.2 |
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| Upper jaw length | 10.6–11.2 (10.9) | 10.9±0.2 |
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| In percent of head length | | |
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| Snout length | 15.3–17.5 (17.5) | 15.2±0.7 |
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| Eye diameter | 15.9–17.3 (16.8) | 16.3±0.8 |
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| Preorbital depth | 28.8–33.2 (32.5) | 31.4±1.4 |
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| Postorbital length | 65.5–69.5 (66.1) | 67.1±1.5 |
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| Head depth | 49.6–54.4 (54.4) | 52.9±2.1 |
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| Interorbital width | 28.8–31.2 (29.2) | 29.6±1.1 |
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| Upper jaw length | 36.5–40.8 (39.1) | 38.9±1.3 |
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| Ratios | | |
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| Depth/width of body | 1.4–1.5 (1.5) | 1.5±0.1 |
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| SL/HL | 3.4–3.7 (3.6) | 3.6±0.1 |
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| SL/body depth | 5.7–6.6 (6.1) | 6.1±0.3 |
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