Research Article
Molecular Identification and Ecology of a Newly Discovered Population of Sun Catfish Horabagrus brachysoma from Northern Western Ghats of India
Table 1
Morphometric and meristic data of Horabagrus brachysoma.
| | Character | Male () | Female () | | Average (sd) | Min–Max | Average (sd) | Min–Max |
| | Morphometric | | | | | | Total length (mm) | 53.76 (4.47) | 48.1–64.3 | 53.33 (1.4) | 51.9–55.6 | | Standard length, SL (mm) | 42.42 (3.59) | 38.1–50.8 | 42.84 (0.94) | 41.8–44.3 | | % SL | | | | | | Head length, HL | 31.11 (1.71) | 26.3–33.6 | 30.04 (1.31) | 28.6–31.7 | | Depth of body at dorsal fin origin | 23.73 (1.22) | 21.9–25.9 | 21.85 (0.92) | 21.1–23.2 | | Depth of body at anus | 18.97 (0.72) | 17.7–20.3 | 17.25 (0.66) | 16.7–18.4 | | Width of body at dorsal fin origin | 16.25 (0.76) | 15.4–17.9 | 15.16 (1.37) | 14.0–17.3 | | Width of body at anus | 10.13 (0.62) | 9.1–10.9 | 9.47 (0.51) | 9.1–10.3 | | Predorsal length | 37.59 (1.4) | 35.6–40.8 | 37.8 (1.09) | 36.4–38.9 | | Dorsal origin to caudal distance | 63.16 (1.79) | 60.4–65.8 | 62.58 (1.33) | 61.2–64.5 | | Prepectoral fin length | 23.99 (0.66) | 22.6–24.7 | 27.53 (1.33) | 26.1–29.4 | | Preventral fin length | 51.53 (1.29) | 48.8–53.4 | 52.96 (1.07) | 51.8–54.2 | | Preanal fin length | 61.92 (1.24) | 59.8–64.0 | 64.28 (1.35) | 62.8–66.3 | | Preanus length | 59.01 (1.27) | 56.7–60.9 | 59.99 (2.4) | 57.8–64.1 | | Ventral fin to anus distance | 7.55 (0.58) | 6.5–8.5 | 7.57 (0.77) | 7.1–8.9 | | Anus to anal fin distance | 3.73 (0.4) | 3.0–4.5 | 4.03 (0.59) | 3.4–4.7 | | Dorsal fin length | 25.25 (1.64) | 21.6–27.5 | 23.97 (1.94) | 21.7–26.1 | | Length of dorsal fin base | 10.79 (0.63) | 10.0–12.3 | 9.82 (1.3) | 8.3–11.9 | | Pectoral fin length | 22.92 (1.08) | 21.3–25.3 | 22.67 (0.79) | 21.5–23.5 | | Ventral fin length | 12.69 (0.87) | 11.1–14.2 | 12.36 (1.43) | 10.4–14.4 | | Length of anal fin base | 25.47 (0.9) | 23.7–26.6 | 24.69 (1.36) | 23.2–26.9 | | Caudal peduncle length | 14.46 (1.16) | 13.2–16.3 | 13.87 (1.06) | 12.9–15.3 | | Caudal peduncle depth | 10.24 (0.54) | 9.6–11.0 | 9.53 (0.52) | 8.7–10.1 | | Dorsal fin to adipose fin distance | 31.39 (1.82) | 28.3–35.2 | 30.38 (2.11) | 28.6–33.6 | | Adipose fin length | 10.9 (1.39) | 8.3–12.6 | 10.87 (0.71) | 10.1–11.7 | | Adipose fin base length | 6.13 (0.93) | 5.2–8.3 | 5.91 (0.66) | 5.3–7.0 | | Postadipose distance | 17.87 (0.96) | 16.4–19.5 | 17.23 (0.81) | 16.2–18.1 | | Outer maxillary barbel length | 22.6 (1.86) | 19.7–25.6 | 15.4 (4.1) | 11.9–21.2 | | Outer mandibular barbel length | 20.45 (1.89) | 16.8–22.9 | 13.25 (2.19) | 10.9–16.9 | | Inner mandibular barbel length | 16.03 (2.45) | 10.9–19.3 | 8.93 (1.94) | 7.1–11.3 | | Nasal barbel length | 17.6 (1.57) | 14.5–20.0 | 8.57 (1.05) | 7.7–10.1 | | % HL | | | | | | Head depth | 57.15 (3.01) | 54.2–63.2 | 65.56 (3.58) | 60.0–68.8 | | Head width | 72.67 (4.44) | 66.0–83.6 | 82.16 (2.71) | 78.0–85.2 | | Eye diameter | 21.57 (0.95) | 20.3–23.5 | 24.86 (1.68) | 23.1–27.3 | | Snout length | 25.22 (2.66) | 21.1–29.1 | 21.16 (2.26) | 18.6–24.2 | | Interorbital length | 49.82 (2.05) | 45.7–53.3 | 43.33 (4.21) | 37.9–48.6 | | Gape of mouth | 46.57 (2.81) | 42.8–50.7 | 43.43 (2.9) | 39.8–46.9 |
| | Meristic | | | | | | Dorsal fin rays | I 5-6 | I 5-6 | | Pectoral fin rays | I 7-8 | I 7-8 | | Ventral fin rays | i5 | i5 | | Anal fin rays | iii22-23 | iii22-23 |
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