Table 2.
Selected morphometrics of Peckoltia ephippiata. Numbers in parentheses refer to landmark numbers in Armbruster (2003).
| Holotype | N | Mean | SD | Min | Max | |
|---|---|---|---|---|---|---|
| SL, mm (1–20) | 101.7 | 20 | 48.2 | 101.7 | ||
| %SL | ||||||
| Predorsal Length (1–10) | 40.8 | 20 | 42.1 | 1.3 | 40.4 | 45.3 |
| Head Length (1–7) | 32.1 | 20 | 33.8 | 1.4 | 31.9 | 37.3 |
| Head–dorsal Length (7–10) | 9.7 | 20 | 8.7 | 0.7 | 7.1 | 10.0 |
| Cleithral Width (8–9) | 26.9 | 20 | 28.4 | 0.9 | 26.9 | 30.2 |
| Head-pectoral Length (1–12) | 24.3 | 20 | 24.7 | 1.2 | 22.9 | 27.5 |
| Thorax Length (12–13) | 22.7 | 20 | 23.3 | 1.1 | 20.4 | 25.2 |
| Pectoral-spine Length (12–29) | 28.8 | 20 | 31.3 | 1.2 | 28.3 | 32.8 |
| Abdominal Length (13–14) | 21.7 | 20 | 22.3 | 0.8 | 21.2 | 24.0 |
| Pelvic-spine Length (13–30) | 25.3 | 19 | 25.8 | 1.8 | 23.3 | 30.4 |
| Postanal Length (14–15) | 35.8 | 20 | 36.0 | 1.0 | 34.3 | 37.8 |
| Anal-fin spine Length (14–31) | 15.9 | 18 | 14.5 | 1.4 | 11.7 | 16.9 |
| Dorsal–pectoral Distance (10–12) | 26.6 | 20 | 27.7 | 1.1 | 26.1 | 29.8 |
| Dorsal spine Length (10–11) | 32.9 | 16 | 32.9 | 1.4 | 29.8 | 34.9 |
| Dorsal-pelvic Distance (10–13) | 21.7 | 20 | 22.4 | 1.1 | 20.3 | 24.6 |
| Dorsal-fin base Length (10–16) | 28.1 | 20 | 27.3 | 1.1 | 25.2 | 30.1 |
| Dorsal-adipose Distance (16–17) | 14.9 | 20 | 14.4 | 1.4 | 11.8 | 16.9 |
| Adipose-spine Length (17–18) | 11.4 | 20 | 11.6 | 1.2 | 8.8 | 13.1 |
| Adipose-upper caudal Distance (17–19) | 16.2 | 20 | 17.5 | 1.1 | 15.7 | 19.7 |
| Caudal-peduncle Depth (15–19) | 12.2 | 20 | 13.0 | 0.9 | 11.7 | 14.8 |
| Adipose-lower caudal Distance (15–17) | 24.5 | 20 | 25.4 | 1.6 | 22.6 | 28.3 |
| Adipose-anal Distance (14–17) | 20.1 | 20 | 18.6 | 1.0 | 16.2 | 20.5 |
| Dorsal-anal Distance (14–16) | 15.1 | 20 | 14.9 | 0.4 | 14.0 | 15.7 |
| Pelvic-dorsal Distance (13–16) | 25.1 | 20 | 24.9 | 1.0 | 23.2 | 26.7 |
| % Head Length | ||||||
| Head-eye Length (5–7) | 32.7 | 20 | 34.7 | 2.6 | 30.5 | 39.0 |
| Orbit Diameter (4–5) | 20.8 | 20 | 22.6 | 1.4 | 20.4 | 25.1 |
| Snout Length (1–4) | 61.2 | 20 | 57.6 | 2.0 | 54.5 | 61.7 |
| Internares Width (2–3) | 14.8 | 20 | 15.5 | 2.0 | 11.2 | 19.4 |
| Interorbital Width (5–6) | 51.1 | 20 | 50.5 | 3.1 | 43.7 | 56.2 |
| Head Depth (7–12) | 67.8 | 20 | 69.0 | 1.7 | 65.7 | 72.2 |
| Mouth Length (1–24) | 46.2 | 20 | 45.8 | 2.0 | 41.0 | 48.4 |
| Mouth Width (21–22) | 53.1 | 20 | 50.3 | 3.0 | 43.8 | 57.4 |
| Barbel Length (22–23) | 11.0 | 20 | 11.3 | 1.8 | 7.9 | 14.0 |
| Dentary Tooth Cup Length (25–26) | 20.0 | 20 | 19.1 | 1.8 | 15.1 | 23.0 |
| Premaxillary Tooth Cup Length (27–28) | 19.2 | 20 | 19.3 | 1.7 | 16.4 | 22.6 |