Gymnotus refugio, a new and endangered species of electric fish of the Gymnotus pantherinus species-group from southern Brazil (Gymnotiformes: Gymnotidae)
Author
Giora, Julia
Author
Malabarba, Luiz Roberto
text
Zootaxa
2016
4066
5
581
590
journal article
51164
10.11646/zootaxa.4066.5.6
94b87e9b-105e-4c54-b356-8e502b9ad46d
1175-5326
263709
5816A2C1-7277-49A8-B1A8-74E5800EF2ED
TABLE 1. Morphometric data of the holotype and paratypes of Gymnotus refugio. | Holotype n | Min | Max | Mean | SD |
|---|
| Total length (mm) | 171.5 30 | 80.4 | 234.4 | 157.4 | - |
|---|
| Percents of total length | | | | | |
|---|
| Head length | 9.5 30 | 9.3 | 12.1 | 10.5 | 0.8 |
|---|
| Body width | 5.6 30 | 4.6 | 6.4 | 5.6 | 0.5 |
|---|
| Body depth | 8.2 28 | 7.4 | 9.8 | 8.6 | 0.5 |
|---|
| Pre-anal distance | 10.9 29 | 8.3 | 11.5 | 10.0 | 0.8 |
|---|
| Snout to anal aperture | 9.0 29 | 8.7 | 12.2 | 10.1 | 1.0 |
|---|
| Snout to anal-fin origin | 20.5 30 | 18.2 | 23.5 | 20.7 | 1.5 |
|---|
| Pre-pectoral distance | 9.5 30 | 9.1 | 12.6 | 10.4 | 1.0 |
|---|
| Anal-fin length | 77.9 30 | 74.6 | 79.6 | 77.2 | 1.5 |
|---|
| Caudal filament length | 1.8 25 | 0.7 | 3.2 | 2.1 | 0.8 |
|---|
| Percents of head length | | | | | |
|---|
| Postorbital length | 62.0 40 | 52.3 | 63.1 | 59.4 | 2.4 |
|---|
| Preorbital length | 29.1 40 | 27.5 | 34.4 | 30.5 | 1.7 |
|---|
| Orbital diameter | 8.0 38 | 5.9 | 10.1 | 7.4 | 0.7 |
|---|
| Nasal aperture distance | 19.7 39 | 15.5 | 22.9 | 18.4 | 1.7 |
|---|
| Posterior nare to eye | 12.0 38 | 8.7 | 12.6 | 11.0 | 1.0 |
|---|
| Head depth | 62.1 39 | 55.6 | 68.1 | 59.4 | 2.6 |
|---|
| Head width at eye | 50.9 39 | 39.5 | 55.7 | 47.7 | 3.8 |
|---|
| Interorbital distance | 32.9 40 | 28.3 | 38.5 | 32.3 | 2.3 |
|---|
| Branchial opening | 39.3 40 | 30.2 | 46.0 | 35.9 | 3.0 |
|---|
| Head width at operculum | 65.8 40 | 55.5 | 65.9 | 60.0 | 2.5 |
|---|
| Gape width | 42.1 40 | 31.8 | 43.9 | 37.0 | 3.2 |
|---|
| Pectoral-fin length | 41.2 40 | 30.4 | 46.6 | 38.4 | 3.2 |
|---|