Table 9.
Morphological and meristic data of C. acrinasus from Lake Thun, NMBE-1077271, male, holotype; paratypes N = 25. For males and for both sexes, the range and mean include the holotype.
| Morphological characters | C. acrinasus | Lake Thun | |||||
| Holotype | Both sexes | ||||||
| N-total = 26 | N-females = 4 | N-males = 22 | |||||
| Mean±Stdev | Range | Mean±Stdev | Range | Mean±Stdev | Range | ||
| SL (mm) | 239.5 | 237.3±21.2 | (197–278) | 235.5±26.5 | (197–254) | 237.6±20.8 | (197–278) |
| Percentage of standard length | |||||||
| PelvFB | 5.1 | 4.1±0.4 | (3.5–5.1) | 3.7±0.4 | (3.5–4.3) | 4.1±0.4 | (3.5–5.1) |
| PelvFS | 7 | 6.2±0.7 | (4.6–7.5) | 6.2±0.3 | (5.7–6.4) | 6.2±0.7 | (4.6–7.5) |
| PelvF | 17.4 | 16±0.9 | (14.3–17.5) | 15.6±1.2 | (14.6–17.2) | 16.1±0.8 | (14.3–17.5) |
| PecFB | 3.6 | 3.4±0.2 | (3.1–4.0) | 3.2±0.1 | (3.1–3.4) | 3.5±0.2 | (3.1–4) |
| PecF1 | 17.4 | 15.9±1.1 | (13.8–18.2) | 15.6±1.8 | (14.1–18.1) | 16±1 | (13.8–18.2) |
| PecF2 | 18.6 | 16.9±1.3 | (15–19.7) | 16.5±2.2 | (15–19.7) | 17±1.1 | (15–19) |
| DFB | 14.8 | 12.4±0.8 | (11.2–14.8) | 12.3±0.8 | (11.5–13.4) | 12.4±0.9 | (11.2–14.8) |
| DFAe | 20.9 | 18.1±1.2 | (15.7–20.9) | 17.8±1.5 | (15.8–19.1) | 18.1±1.2 | (15.7–20.9) |
| DFAd | 21.7 | 19.3±1.1 | (17.0–21.7) | 19.1±1.1 | (18.0–20.3) | 19.3±1.2 | (17–21.7) |
| DFPe | 5.5 | 5.0±0.5 | (4.0–6.1) | 4.9±0.5 | (4.2–5.3) | 5±0.5 | (4–6.1) |
| AFB | 13.6 | 12.6±0.6 | (11.3–13.6) | 12.6±0.6 | (11.9–13.3) | 12.6±0.6 | (11.3–13.6) |
| AFAe | 13 | 11.6±0.8 | (9.2–13.0) | 11.4±0.5 | (11.0–12.2) | 11.7±0.9 | (9.2–13) |
| AdFB | 4.5 | 4.7±0.7 | (3.7–6.2) | 4.8±0.6 | (4.2–5.6) | 4.7±0.7 | (3.7–6.2) |
| CF | 24 | 23.3±0.9 | (21.5–25.1) | 23.2±0.2 | (23–23.4) | 23.4±1 | (21.5–25.1) |
| CD | 7.5 | 7.6±0.4 | (7.1–8.3) | 7.8±0.3 | (7.6–8.2) | 7.6±0.4 | (7.1–8.3) |
| CL | 11.7 | 12.8±0.6 | (11.7–14.2) | 12.4±0.4 | (11.9–12.8) | 12.9±0.6 | (11.7–14.2) |
| PAdC | 15 | 18.1±1.2 | (15–20.1) | 17.6±1 | (16.2–18.4) | 18.2±1.2 | (15–20.1) |
| DHL | 14.9 | 15.2±0.6 | (13.8–16.1) | 14.9±0.9 | (14.0–15.9) | 15.2±0.5 | (13.8–16.1) |
| PreP | 50.3 | 52.6±1.6 | (49.1–56.8) | 51.9±0.5 | (51.4–52.4) | 52.7±1.8 | (49.1–56.8) |
| PreA | 78.5 | 77.7±1.2 | (75.3–80.3) | 77.1±0.5 | (76.5–77.6) | 77.8±1.3 | (75.3–80.3) |
| PreD | 45.4 | 47.5±1.4 | (45–50.7) | 47.5±1.1 | (46.3–48.6) | 47.5±1.4 | (45–50.7) |
| BD | 25.6 | 24.7±1.6 | (20.7–28.1) | 26.1±1.6 | (24.4–28.1) | 24.4±1.5 | (20.7–26.7) |
| PostD | 41.2 | 43±1.3 | (40.3–45.6) | 42.2±1.6 | (41–44.3) | 43.1±1.3 | (40.3–45.6) |
| TL | 123.2 | 120.6±1.7 | (116–123.2) | 119±2.5 | (116–121.5) | 120.8±1.4 | (118.2–123.2) |
| HL (mm) | 49 | 49.9±4 | (41.5–58.4) | 48.5±4.7 | (41.5–51.3) | 50.1±3.9 | (41.5–58.4) |
| Percentage of head length | |||||||
| SN | 23.4 | 23.9±1.4 | (20.5–27) | 22.6±1.8 | (20.5–24.6) | 24.1±1.3 | (21.6–27) |
| ED | 23.2 | 23.7±0.8 | (21.6–25.5) | 23.8±0.8 | (22.6–24.4) | 23.7±0.9 | (21.6–25.5) |
| EC | 27.4 | 27.7±1 | (26–29.6) | 28.6±1 | (27.2–29.6) | 27.6±0.9 | (26–28.8) |
| EH | 22.8 | 22.9±0.9 | (21.7–24.8) | 23.6±1.1 | (22.2–24.8) | 22.8±0.8 | (21.7–24.5) |
| ES | 4.9 | 4.7±0.8 | (3.2–6.4) | 5.6±0.9 | (4.8–6.4) | 4.5±0.6 | (3.2–6.1) |
| PostO | 51 | 50.9±1.5 | (48.5–54.1) | 52±1.8 | (49.8–54.1) | 50.7±1.4 | (48.5–53) |
| HD | 69.8 | 69.1±2.4 | (65.1–74.9) | 69.8±2 | (67.8–72.5) | 68.9±2.5 | (65.1–74.9) |
| MW | 9.7 | 9.8±0.7 | (8.1–11.4) | 9.8±0.6 | (8.8–10.3) | 9.8±0.8 | (8.1–11.4) |
| UJ | 28.8 | 29.4±1.2 | (26.7–30.9) | 30.1±0.8 | (29.3–30.8) | 29.2±1.3 | (26.7–30.9) |
| LJ | 40.5 | 40.9±1.7 | (38.6–47) | 40.5±1.1 | (39–41.5) | 41±1.8 | (38.6–47) |
| M | 21.1 | 21.8±1 | (19.4–23.8) | 21.9±0.9 | (21.3–23.2) | 21.8±1 | (19.4–23.8) |
| SD | 9.8 | 8.6±1.3 | (6–11.3) | 9±1.1 | (7.9–10.5) | 8.6±1.3 | (6–11.3) |
| SW | 17.1 | 16±1.5 | (13.1–18.1) | 16.2±1.3 | (14.7–17.6) | 15.9±1.5 | (13.1–18.1) |
| HW | 53.8 | 49.6±3.2 | (43.9–56.2) | 51.1±2.4 | (48.2–53.8) | 49.4±3.3 | (43.9–56.2) |
| IOW | 25.8 | 27±2.1 | (21.3–31.5) | 27.1±1.4 | (25.1–28.1) | 27±2.3 | (21.3–31.5) |
| INW | 10.8 | 11.7±1 | (9.5–13.4) | 11.7±1.2 | (10.5–13.3) | 11.7±1 | (9.5–13.4) |
| LJW | 12.4 | 12.2±1.2 | (9.2–14.3) | 12.5±1 | (11–13.4) | 12.1±1.2 | (9.2–14.3) |
| UJW | 24 | 22.8±2.1 | (18.2–27.5) | 23.7±2.7 | (20.4–26.3) | 22.6±2 | (18.2–27.5) |
| MGR | 13.1 | 13.4±1.6 | (9.1–16.6) | 14.4±1.9 | (11.9–16.6) | 13.2±1.6 | (9.1–15.1) |
| LGR | 15 | 14.5±1.4 | (11.4–16.9) | 15.7±1.2 | (14.4–16.9) | 14.3±1.3 | (11.4–16.3) |
| UA | 19.7 | 18.1±1.6 | (13.5–20.3) | 18.5±1.6 | (16.2–19.8) | 18.1±1.6 | (13.5–20.3) |
| LA | 36.7 | 34.9±1.7 | (32.3–38.9) | 35.9±2.1 | (34–38.9) | 34.8±1.7 | (32.3–38.4) |
| Meristic characters | Mode | Range | Mode | Range | Mode | Range | |
| PelvF unbranched | 1 | 1 | (1–1) | 1 | (1–1) | 1 | (1–1) |
| PelvF branched | 11 | 10 | (9–12) | 10 | (10–11) | 11 | (9–12) |
| PecF unbranched | 1 | 1 | (1–1) | 1 | (1–1) | 1 | (1–1) |
| PecF branched | 15 | 15 | (13–16) | 16 | (15–16) | 15 | (13–16) |
| Meristic characters | C. acrinasus | Lake Thun | |||||
| Holotype | Both sexes | ||||||
| N-total = 26 | N-females = 4 | N-males = 22 | |||||
| Mode | Range | Mode | Range | Mode | Range | ||
| DF unbranched | 3 | 4 | (3–4) | 3 | (3–4) | 4 | (3–4) |
| DF branched | 12 | 10 | (9–12) | 11 | (10–12) | 10 | (9–12) |
| AF unbranched | 3 | 3 | (2–4) | 3 | (3–3) | 3 | (2–4) |
| AF branched | 13 | 11 | (11–13) | 12 | (11–13) | 11 | (11–13) |
| LS | 80 | 84 | (79–88) | 85 | (84–85) | 80 | (79–88) |
| PDS | 34 | 34 | (33–42) | 34 | (34–41) | 35 | (33–42) |
| TDS | 10 | 10 | (9–10) | 10 | (9–10) | 10 | (9–10) |
| TAS | 8 | 8 | (8–9) | 8 | (8–8) | 8 | (8–9) |
| TPS | 9 | 8 | (8–9) | 9 | (8–9) | 8 | (8–9) |
| UGR | 13 | 13 | (10–15) | na | (10–15) | 13 | (10–14) |
| LGR | 20 | 24 | (20–26) | 24 | (21–24) | 24 | (20–26) |
| total GR | 33 | 36 | (30–40) | 35 | (34–36) | 36 | (30–40) |