Table 1. Morphometrics of Copella arnoldi.
| Copeina arnoldi | Copeina carsevennensis | Copella eigenmanni | Non-type material | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Syntypes | Syntypes | Paralectotypes | n | Range | Mean | SD | |||||||||
| Standard length (mm) | 25.4 | and | 34.4 | 22.9 | and | 24.3 | 19.5 | and | 20.9 | 104 | 22.2 | - | 41.8 | 31.1 | |
| Percents of standard length | |||||||||||||||
| Body depth | 20.1 | and | 19.5 | 19.8 | and | 19.6 | 19.7 | and | 19.7 | 104 | 16.8 | - | 23.2 | 19.8 | 1.1 |
| Dorsal- to caudal-fin origin | 37.9 | and | 34.2 | 40.5 | and | 37.7 | 43.6 | and | 37.6 | 104 | 33.7 | - | 40.3 | 37.5 | 1.2 |
| Snout to dorsal-fin origin | 62.4 | and | 64.5 | 59.9 | and | 64.0 | 61.9 | and | 62.1 | 104 | 60.4 | - | 66.0 | 63.2 | 1.3 |
| Snout to pectoral-fin origin | 22.4 | and | 22.0 | 22.7 | and | 22.0 | 23.9 | and | 22.9 | 104 | 19.9 | - | 25.8 | 22.3 | 1.1 |
| Snout to pelvic-fin origin | 51.5 | and | 50.3 | 46.2 | and | 45.4 | 43.8 | and | 49.4 | 104 | 43.5 | - | 52.5 | 48.4 | 1.5 |
| Snout to anal-fin origin | 74.2 | and | 73.2 | 68.7 | and | 69.3 | 70.6 | and | 73.5 | 104 | 67.6 | - | 75.1 | 71.2 | 1.6 |
| Pectoral- to pelvic-fin origin | 29.9 | and | 30.3 | 25.3 | and | 23.8 | 22.7 | and | 26.8 | 104 | 23.0 | - | 30.4 | 27.3 | 1.5 |
| Pelvic- to anal-fin origin | 23.4 | and | 23.7 | 23.4 | and | 21.6 | 23.1 | and | 25.6 | 104 | 20.8 | - | 29.5 | 23.9 | 1.4 |
| Pectoral-fin length males | - | 22.2 | - | - | - | 20.6 | 74 | 18.9 | - | 32.3 | 24.1 | 3.1 | |||
| Pectoral-fin length fem/imm | 22.3 | - | 19.9 | and | 20.5 | 20.7 | 20.8 | 30 | 19.6 | - | 23.3 | 21.4 | 0.9 | ||
| Pelvic-fin length males | - | 26.7 | - | - | - | - | 74 | 17.8 | - | 32.3 | 24.1 | 3.1 | |||
| Pelvic-fin length fem/imm | 20.5 | - | 19.0 | and | 18.3 | 19.7 | - | 30 | 17.8 | - | 21.7 | 19.8 | 0.9 | ||
| Dorsal-fin length males | - | 30.8 | - | - | - | - | 72 | 26.5 | - | 58.0 | 38.1 | 6.6 | |||
| Dorsal-fin length fem/imm | 25.5 | - | - | 24.6 | - | 27.2 | 29 | 25.6 | - | 33.4 | 28.7 | 1.7 | |||
| Anal-fin length males | - | 22.7 | - | - | - | - | 73 | 18.7 | - | 31.6 | 24.1 | 3.1 | |||
| Anal-fin length fem/imm | 19.4 | - | 18.1 | and | 19.0 | 19.7 | - | 30 | 18.5 | - | 21.5 | 19.8 | 0.9 | ||
| Anal-fin base length | 9.2 | and | 9.2 | 8.0 | and | 9.4 | 10.1 | and | 8.6 | 104 | 7.7 | - | 12.6 | 10.0 | 1.0 |
| Caudal peduncle depth | 9.1 | and | 9.3 | 8.4 | and | 9.0 | 8.8 | and | 8.8 | 104 | 7.6 | - | 10.2 | 9.1 | 0.6 |
| Caudal peduncle length | 20.0 | and | 17.5 | 21.5 | and | 21.5 | 22.7 | and | 18.3 | 104 | 16.3 | - | 22.4 | 19.7 | 1.3 |
| Head length | 22.1 | and | 21.8 | 23.5 | and | 23.0 | 24.3 | and | 25.2 | 103 | 20.3 | - | 25.9 | 22.9 | 1.1 |
| Percents of head length | |||||||||||||||
| Eye diameter | 38.8 | and | 31.8 | 39.2 | and | 39.1 | 39.7 | and | 33.1 | 102 | 29.0 | - | 40.3 | 35.3 | 2.5 |
| Snout length | 25.5 | and | 27.3 | 24.2 | and | 27.4 | 22.8 | and | 25.9 | 103 | 22.9 | - | 34.8 | 27.6 | 2.0 |
| Interorbital distance | 38.8 | and | 37.7 | 36.4 | and | 36.2 | 39.2 | and | 37.6 | 103 | 33.1 | - | 42.3 | 37.6 | 1.9 |
| Upper jaw length | 28.4 | and | 27.2 | 29.9 | and | 30.6 | 27.0 | and | 20.7 | 103 | 25.0 | - | 35.2 | 30.2 | 2.1 |
Syntypes of Copeina arnoldi BMNH 109.4.2.25–26 (2), syntypes of Copeina carsevennensis BMNH 1899.7.26.1–5 (2), paralectotypes of Copella eigenmanni BMNH 1911.10.31.140 (2) and non-type material DZSJRP 11120 (2), DZSJRP 11231 (8), MHNLS 12458 (3), MHNG 2200.34 (4), MHNG 2200.36 (6), MHNG 2647.005 (6), MNHN 1898.0053 (3), MPEG 8223 (2), MPEG 8305 (6), MPEG 10398 (5), MPEG 10716 (4), MZUSP 23064 (20), MZUSP 105770 (14), ZMA 101.937 (5), ZMA 104.197 (2), ZMA 104.288 (4), ZMA 105.694 (4), ZMA 106.105 (4), and ZMA 106.137 (2). n = number of specimens. SD = Standard deviation. Range does not include primary types.