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Table 2 in Four new species of dragonfish genus Eustomias (Stomiiformes: Stomiidae: Melanostomiinae) from the western tropical Atlantic, with remarks on Eustomias minimus Clarke, 1999
Authors/Creators
Description
Table 2. Morphometric data for selected species of Eustomias from off northeastern Brazil, western tropical Atlantic.
| Species | E. antea | E. lucenae | E. ophioglossa | E. bertrandi | E. cf. minimus | E. minimus |
|---|---|---|---|---|---|---|
| Specimens | NPM 4880 | NPM 4883 | NPM 4878 | NPM 4610 | NPM 4881 | 4 (Clarke 1999) |
| Standard length (SL) (mm) | 124 | 47 | 162 | 109 | 60 | 66–86 |
| Measurements (as a percentage of SL) | ||||||
| Body depth | 6.8 | 6.2 | 8.6 | 5.8 | 6.3 | |
| Body width | 5.0 | 4.9 | 4.4 | 6.0 | 5.0 | |
| Length of dorsal fin base | 15.3 | 13.2 | 14.8 | 13.5 | 15.0 | |
| Length of anal fin base | 23.4 | 23.4 | 26.5 | 24.6 | 26.7 | |
| Predorsal length | 79.0 | 85.1 | 82.7 | 82.6 | 81.7 | |
| Preanal length | 71.8 | 74.5 | 71.0 | 71.6 | 71.7 | |
| Prepelvic length | 58.9 | 62.3 | 56.8 | 54.3 | 50.0 | |
| Snout to anus | 74.2 | 70.2 | 69.1 | 69.9 | 70.0 | |
| Pelvic-fin base to anal-fin base | 14.9 | 12.3 | 14.2 | 15.7 | 20.8 | |
| Caudal peduncle length | 2.6 | 4.0 | 2.3 | 3.5 | 3.3 | |
| Caudal peduncle depth | 1.9 | 2.6 | 1.7 | 2.1 | 3.0 | |
| Head length | 12.5 | 11.5 | 14.2 | 13.1 | 12.7 | |
| Snout length | 4.3 | 4.7 | 3.9 | 5.2 | 4.2 | |
| Barbel length | 45.2 | 9.6 | 71.0 | 67.0 | 11.0 | 11.0–12.7 |
| Branch length | 2.5 | |||||
| Terminal filament length | 25.9 | 3.5 | 1.2 | |||
| Proximal bulb length | 1.2 | 0.4 | ||||
| Distal bulb length | 0.3 | 0.8 | 1.0 | 0.9 | 3.0 | |
| Interbulbar distance | 1.4 | 0.3 | ||||
| Eye diameter | 2.4 | 2.3 | 2.7 | 3.2 | 2.5 | |
| Interorbital space | 2.9 | 3.2 | 3.6 | 4.0 | 3.0 | |
| Upper jaw length | 10.9 | 10.4 | 10.5 | 12.8 | 10.8 | |
| PO length | 0.3 | 0.8 | 1.4 | 1.0 | ||
| SO length | 0.2 | 0.4 | 0.5 | 0.5 | 0.5 | |
| Longest premaxillary tooth | 1.8 | 1.3 | 1.8 | 1.4 | 0.7 | |
| Longest dentary tooth | 1.1 | 0.9 | 1.4 | 1.1 | 0.5 | |
| Head length (HL) (mm) | 15.5 | 5.4 | 23 | 14.3 | 7.6 | |
| Measurements (as a percentage of HL) | ||||||
| Snout length | 34.2 | 40.7 | 27.4 | 39.9 | 32.9 | |
| Barbel length | 361.3 | 83.3 | 500.0 | 510.5 | 86.8 | |
| Branch length | 19.7 | |||||
| Terminal filament length | 182.6 | 26.6 | 9.2 | |||
| Proximal bulb length | 8.3 | 2.8 | ||||
| Distal bulb length | 2.6 | 6.9 | 7.4 | 7.0 | 23.7 | |
| Interbulbar distance | 9.6 | 2.4 | ||||
| Eye diameter | 20.0 | 20.4 | 18.7 | 24.5 | 19.7 | |
| Interorbital space | 23.2 | 27.8 | 25.2 | 30.8 | 23.7 | |
| Upper jaw length | 80.6 | 90.7 | 73.9 | 97.9 | 85.5 | |
| PO length | 2.6 | 5.7 | 10.5 | 7.9 | ||
| SO length | 1.9 | 3.2 | 3.5 | 3.5 | 3.9 | |
| Longest premaxillary tooth | 14.2 | 9.7 | 12.6 | 10.5 | 5.3 | |
| Longest dentary tooth | 9.0 | 6.5 | 10.0 | 8.4 | 3.9 | |
| Measurements (as a percentage of DB) | ||||||
| Branch length | 46.9 | 50.0–60.0 | ||||
| Bulb length | 56.3 | 60.0–70.0 | ||||
| Terminal filaments length | 21.9 | 4.0–20.0 | ||||
| PO/EYE | 0.13 | 0.19 | 0.43 | 0.4 | 0.27–0.36 | |
| SO/EYE | 0.10 | 0.18 | 0.30 | 0.14 | 0.2 | |
Notes
Published as part of Villarins, Bárbara T, Fischer, Luciano G, Prokofiev, Artem M & Mincarone, Michael M, 2023, Four new species of dragonfish genus Eustomias (Stomiiformes: Stomiidae: Melanostomiinae) from the western tropical Atlantic, with remarks on Eustomias minimus Clarke, 1999, pp. 6 in Zoological Journal of the Linnean Society 202 (1) on page 6, DOI: 10.1093/zoolinnean/zlad163, http://zenodo.org/record/14552546
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Additional details
Identifiers
References
- Clarke TA. Pelagic fishes of the genus Eustomias (Melanostomiidae) similar to Eustomias dendriticus Regan and Trewavas with the description of seven new species. Copeia 1999; 1999: 1002-13.