Published March 30, 2017
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Tab. 1 in Unexpectedly high diversity in a small basin: A taxonomic revision of Eurycheilichthys (Siluriformes: Loricariidae), with descriptions of seven new species
Authors/Creators
- 1. Laboratório de Sistemática de Vertebrados, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Av. Ipiranga 6681, Caixa Postal 1429, 90619 - 900 Porto Alegre, RS, Brazil
Description
Tab. 1. Descriptive morphometrics of Eurycheilichthys species. Values are given as percents of standard length or of head length. Hol = holotype. SD = standard deviation. Data in bold are distinguishing features among species.
| Character | E. pantherinus n=23 | E. limulus n=26 | E. apocremnus n=18 | E. castaneus n=25 | E. coryphaenus n=10 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Low | High | Mean | Hol | Low | High | Mean | Hol | Low | High | Mean | Hol | Low | High | Mean | |
| Standard length (mm) | 33.0 | 48.1 | 42.6 | 41.3 | 50.4 | 45.8 | 47.0 | 38.1 | 54.1 | 45.5 | 48.1 | 37.2 | 49.6 | 44.0 | 46.7 | 36.2 | 49.7 | 41.2 |
| Percents of SL | ||||||||||||||||||
| Head length | 30.6 | 37.6 | 35.1 | 30.4 | 34.7 | 32.4 | 35.8 | 32.9 | 36.6 | 34.6 | 32.9 | 31.2 | 35.3 | 32.9 | 33.3 | 31.5 | 35.8 | 34.4 |
| Predorsal length | 43.5 | 49.4 | 45.6 | 42.9 | 47.6 | 45.3 | 45.0 | 40.8 | 47.0 | 44.3 | 42.9 | 40.6 | 47.4 | 43.4 | 44.1 | 41.0 | 45.0 | 43.7 |
| Dorsal-fin spine length | 19.9 | 24.5 | 22.2 | 18.3 | 23.5 | 20.4 | 23.7 | 21.1 | 24.6 | 23.2 | 21.4 | 19.8 | 23.8 | 21.8 | 21.8 | 21.8 | 24.0 | 23.0 |
| First anal-fin ray length | 14.9 | 19.0 | 17.3 | 16.1 | 22.3 | 18.3 | 20.3 | 18.3 | 22.1 | 20.7 | 19.9 | 17.6 | 22.1 | 19.8 | 18.0 | 16.7 | 19.3 | 18.0 |
| Pectoral-fin spine length | 21.8 | 27.4 | 24.1 | 19.8 | 24.7 | 22.4 | 23.6 | 21.6 | 26.1 | 24.2 | 22.4 | 20.9 | 25.5 | 23.2 | 26.2 | 24.1 | 27.4 | 26.2 |
| First pelvic-fin ray length | 16.4 | 20.8 | 18.7 | 13.0 | 21.4 | 16.9 | 21.7 | 20.4 | 23.3 | 21.8 | 20.4 | 17.5 | 21.1 | 19.4 | 16.9 | 16.9 | 20.1 | 18.3 |
| Trunk length | 12.6 | 15.6 | 14.0 | 12.7 | 16.4 | 15.0 | 15.2 | 14.1 | 16.4 | 15.2 | 14.5 | 12.4 | 14.9 | 13.9 | 14.7 | 12.7 | 15.8 | 14.8 |
| Abdominal length | 20.1 | 26.6 | 23.9 | 20.8 | 26.2 | 23.0 | 24.2 | 22.6 | 26.7 | 23.9 | 22.3 | 21.0 | 25.1 | 23.1 | 23.8 | 20.6 | 25.8 | 22.7 |
| Cleithral width | 27.3 | 32.0 | 29.9 | 23.8 | 26.8 | 25.2 | 30.4 | 28.4 | 31.8 | 30.1 | 27.8 | 24.9 | 29.7 | 26.8 | 27.8 | 26.2 | 29.5 | 27.4 |
| Body depth at dorsal fin | 13.2 | 18.0 | 14.8 | 14.1 | 19.2 | 16.3 | 17.8 | 14.7 | 18.4 | 16.7 | 15.4 | 13.8 | 16.7 | 15.2 | 17.3 | 15.1 | 18.7 | 16.8 |
| Body width at anal fin | 11.5 | 14.6 | 12.8 | 11.2 | 14.5 | 13.1 | 12.8 | 12.0 | 14.0 | 12.9 | 12.5 | 11.9 | 13.9 | 12.9 | 12.9 | 12.2 | 13.9 | 13.1 |
| Caudal peduncle length | 27.2 | 35.5 | 31.0 | 26.0 | 35.3 | 32.8 | 29.5 | 24.7 | 33.4 | 28.7 | 34.9 | 25.4 | 34.9 | 31.9 | 31.7 | 23.6 | 32.6 | 30.2 |
| Caudal peduncle depth | 7.8 | 10.2 | 8.7 | 9.6 | 11.5 | 10.5 | 11.6 | 10.2 | 12.3 | 11.1 | 10.6 | 9.8 | 12.4 | 10.5 | 10.0 | 9.5 | 10.6 | 10.0 |
| Percents of HL | ||||||||||||||||||
| Snout length | 48.6 | 63.2 | 54.5 | 49.0 | 60.0 | 53.2 | 53.2 | 50.0 | 59.3 | 55.8 | 52.5 | 50.8 | 58.3 | 53.5 | 50.5 | 48.5 | 54.1 | 51.8 |
| Orbital diameter | 13.4 | 18.8 | 16.0 | 10.9 | 14.5 | 12.1 | 10.0 | 9.5 | 14.2 | 11.4 | 12.0 | 10.8 | 14.9 | 12.2 | 13.9 | 13.8 | 18.5 | 15.7 |
| Interorbital width | 31.3 | 42.3 | 34.2 | 35.9 | 44.3 | 39.2 | 34.2 | 29.6 | 38.3 | 35.0 | 35.5 | 31.9 | 37.5 | 35.1 | 35.0 | 32.8 | 37.3 | 35.6 |
| Head depth | 42.2 | 53.9 | 45.3 | 43.3 | 53.8 | 47.6 | 46.4 | 43.2 | 48.6 | 46.5 | 48.7 | 44.7 | 53.3 | 47.8 | 49.2 | 47.8 | 54.0 | 50.0 |
| Left mandibular ramus | 9.2 | 12.5 | 10.4 | 10.0 | 14.1 | 11.8 | 12.6 | 9.1 | 14.4 | 12.4 | 9.6 | 8.2 | 11.1 | 9.7 | 12.2 | 9.3 | 13.2 | 11.7 |
Notes
Published as part of Reis, Roberto E., 2017, Unexpectedly high diversity in a small basin: A taxonomic revision of Eurycheilichthys (Siluriformes: Loricariidae), with descriptions of seven new species, pp. 5 in Neotropical Ichthyology 15 (1) on page 5, DOI: 10.1590/1982-0224-20160068, http://zenodo.org/record/20631692
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