Published December 31, 2011
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Table 1 in On Apteronotus magdalenensis (Miles, 1945) (Gymnotiformes: Apteronotidae): a poorly known species endemic to the río Magdalena basin, Colombia
- 1. Universidade Federal do Rio de Janeiro, Setor de Ictiologia, Departamento de Vertebrados, Museu Nacional, Quinta da Boa Vista, 20940 - 040 Rio de Janeiro, RJ, Brazil
- 2. Museu Paraense Emílio Goeldi, Departamento de Ictiologia, Avenida Perimetral 1901, Terra Firme, 66077 - 830 Belém, Pará, Brazil
- 3. University of Central Florida, Department of Biology, 32816 - 2368, Orlando, FL, USA
Description
Table 1. Morphometric and meristic data for Apteronotus magdalenensis. Pooled = 32 non-types combined.
| USNM | BMNH | Pooled | Males | Females | ||||
|---|---|---|---|---|---|---|---|---|
| 123795 | 1947.7.1.138 | (n= 32) | (n= 13) | (n= 15) | ||||
| Paratypes | Range Mean | Range | Mean | Range | Mean | |||
| Total length (TL) | 287 | 335 | 182-396 | - | 290-396 | - | 273-363 | - |
| Length to end of anal fin (LEA) | 252 | 305 | 163-346 | - | 258-346 | - | 252-320 | - |
| Percent of length to end of anal fin | ||||||||
| Anal-fin base | 82.5 | 85.2 | 80.9-88.1 | 85.5 | 80.9-88.0 | 84.6 | 83.2-88.1 | 86.4 |
| Maximum body depth | 11.0 | 10.2 | 9.9-15.5 | 12.3 | 9.9-14.7 | 12.2 | 10.9-15.5 | 12.3 |
| Snout to anus | 11.1 | 9.6 | 7.2-12.3 | 9.5 | 8.7-10.9 | 9.9 | 7.2-12.2 | 9.3 |
| Prepectoral-fin distance | 20.1 | 18.0 | 13.0-22.3 | 18.4 | 17.6-19.3 | 18.9 | 13.0-21.4 | 18.3 |
| Preanal-fin distance | 17.5 | 15.1 | 8.8-19.4 | 15.5 | 10.4-18.5 | 15.9 | 11.6-19.4 | 15.3 |
| Snout to midsaggital dorsal organ | 63.9 | 64.3 | 59.4-101.5 | 63.4 | 60.1-76.6 | 66.2 | 59.4-77.3 | 63.4 |
| Pectoral-fin length | 8.0 | 8.6 | 6.4-10.5 | 7.9 | 6.5-9.6 | 7.8 | 6.7-9.1 | 7.9 |
| Caudal length | 13.1 | 10.5 | 6.9-16.8 | 11.9 | 9.4-14.5 | 11.9 | 6.9-16.8 | 12.5 |
| Head length | 18.6 | 16.9 | 9.5-18.6 | 16.3 | 13.8-17.7 | 16.3 | 9.5-18.0 | 16.3 |
| Percent of the head length | ||||||||
| Head width | 22.8 | 24.4 | 26.6-51.0 | 30.5 | 26.6-43.1 | 30.4 | 27.3-51 | 33.5 |
| Head depth at eye | 24.4 | 20.6 | 22.5-46.2 | 24.6 | 23.0-29.4 | 24.4 | 22.7-46.2 | 24.8 |
| Head depth at occiput | 48.5 | 53.9 | 48.5-98.8 | 55.3 | 48.5-65.5 | 54.9 | 50.2-98.8 | 60.9 |
| Snout length | 41.5 | 39.4 | 22.6-44.7 | 40.2 | 39.4-44.7 | 40.2 | 22.6-42.6 | 40.0 |
| Posterior naris to eye | 25.1 | 21.8 | 10.0-24.3 | 21.5 | 14.0-24.3 | 21.5 | 14.2-23.9 | 21.3 |
| Posterior naris to snout | 17.6 | 16.7 | 9.6-19.5 | 16.4 | 10.3-19.5 | 16.7 | 10.5-17.4 | 15.4 |
| Internarial distance | 7.3 | 7.8 | 4.0-9.5 | 7.2 | 4.5-9.5 | 7.2 | 4.0-8.2 | 6.9 |
| Mouth length | 18.2 | 17.0 | 14.5-27.4 | 19.5 | 16.9-22.3 | 19.4 | 14.5-27.4 | 19.5 |
| Eye diameter | 4.7 | 4.1 | 3.2-6.3 | 4.6 | 3.2-5.7 | 4.8 | 3.4-6.3 | 4.4 |
| Interorbital width | 3.4 | 3.0 | 3.8-8.9 | 5.0 | 4.0-7.4 | 5.1 | 3.8-8.9 | 5.0 |
| Branchial opening | 17.2 | 13.8 | 14.3-31.6 | 17.5 | 14.3-22.3 | 16.3 | 15.6-31.6 | 18.1 |
| Postorbital distance | 57.7 | 57.2 | 51.9-99.6 | 58.8 | 53.7-99.6 | 58.1 | 51.9-70 | 58.7 |
| Pectoral rays | ii,17 | ii,16 | ii,16-ii,17 | ii,17 | ||||
| Anal rays | 195 | 192 | 180-213 | 199 | ||||
| Precaudal vertebrae | 14 | 13 | 13-14 (n=12) | |||||
Notes
Published as part of Maldonado-Ocampo, Javier A., Santana, Carlos David de & Crampton, William G. R., 2011, On Apteronotus magdalenensis (Miles, 1945) (Gymnotiformes: Apteronotidae): a poorly known species endemic to the río Magdalena basin, Colombia, pp. 509 in Neotropical Ichthyology 9 (3) on page 509, DOI: 10.1590/S1679-62252011000300005, http://zenodo.org/record/5422944
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