Published December 1, 2025
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TABLE 1 in Three new species of the congrid eel genus Gnathophis (Anguilliformes: Congridae) from the Arabian Sea
Authors/Creators
- 1. Faculty of Fisheries Science, Kerala University of Fisheries and Ocean Studies, Kochi, Kerala- 682 506, India.
- 2. Shirshov Institute of Oceanology, Russian Academy of Sciences-IO RAS, Moscow, Russia.
Description
TABLE 1. Morphometric and meristic data of Gnathophis specimens from the Arabian Sea, India
| Gnathophis ajithi | Gnathophis anilmohapatrai | Gnathophis arabicus | ||||
|---|---|---|---|---|---|---|
| Holotype | Range | Holotype | Range | Holotype | Range | |
| Total length (mm) | 343 | 347–484 (n=6) | 234 | 210–255 (n=9) | 255 | 190–255 (n=6) |
| %TL | ||||||
| Preanal length | 39.7 | 37.3–42.6 | 40.0 | 38.7–42.2 | 33.7 | 35.2–39.0 |
| Predorsal length | 20.7 | 19.4–20.7 | 19.3 | 17.4–19.6 | 17.1 | 16.5–19.4 |
| Head length | 18.3 | 18.0–19.1 | 17.5 | 15.7–17.5 | 15.2 | 14.1–16.0 |
| Trunk | 21.3 | 19.7–24.4 | 22.4 | 22.4–25.6 | 22.1 | 19.7–24.1 |
| Tail | 60.3 | 57.4–62.8 | 60.0 | 57.8–61.3 | 62.7 | 61.0–64.8 |
| Depth at anus | 3.7 | 4.0–4.6 | 3.9 | 3.8–4.5 | 3.1 | 2.8–3.4 |
| Width at anus | 2.8 | 3.2–3.7 | 3.4 | 2.8–3.4 | 2.2 | 2.2–2.5 |
| Depth at gill opening | 5.2 | 5.6–7.1 | 5.9 | 4.1–5.9 | 4.9 | 3.6–4.9 |
| Width at gill opening | 4.2 | 3.7–4.6 | 3.6 | 2.9–3.9 | 2.4 | 2.4–2.9 |
| %HL | ||||||
| Snout | 25.2 | 24.5–26.8 | 27.1 | 23.8–29.8 | 22.9 | 21.6–24.5 |
| Eye | 17.7 | 15.7–17.7 | 17.6 | 18.0–22.1 | 18.9 | 17.4–23.9 |
| Interorbital | 13.2 | 9.6–13.2 | 11.5 | 7.3–13.6 | 12.4 | 10.5–12.8 |
| Upper jaw | 33.1 | 31.0–33.5 | 36.7 | 37.0–39.0 | 33.6 | 32.4–35.1 |
| Lower jaw | 27.9 | 25.0–27.9 | 27.6 | 27.6–31.8 | 25.3 | 25.2–29.8 |
| Gill opening | 11.7 | 10.6–16.0 | 12.7 | 6.4–13.9 | 15.1 | 9.0–15.1 |
| Interbranchial | 18.2 | 17.6–24.4 | 17.9 | 17.9–25.5 | 18.6 | 14.6–18.8 |
| Pectoral fin | 24.7 | 24.7–28.5 | 23.4 | 22.4–29.7 | 28.6 | 25.9–31.4 |
| Vertebrae | ||||||
| Pre-dorsal | 10 | 9–10 | 10 | 9–11 | 10 | 9–10 |
| Pre-anal | 29 | 28–34 | 42 | 40–42 | 40 | 39–40 |
| Pre-caudal | 36 | 33–38 | 48 | 47–48 | 45 | 44–46 |
| Total vertebrae | 124 | 122–126 | 136 | 133–138 | 145 | 143–146 |
| Lateral-line pores | ||||||
| Pre-pectoral | 7 | 6–7 | 6 | 6–7 | 7 | 6–7 |
| Pre-dorsal | 10 | 7–10 | 8 | 8–9 | 11 | 9–12 |
| Pre-anal | 27 | 29–33 | 38 | 36–40 | 40 | 36–41 |
Notes
Published as part of Kodeeswaran, Paramasivam & Karmovskaya, Emma S., 2025, Three new species of the congrid eel genus Gnathophis (Anguilliformes: Congridae) from the Arabian Sea, pp. 91 in Zootaxa 5725 (1) on page 91, DOI: 10.11646/zootaxa.5725.1.3, http://zenodo.org/record/17868271
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