TABLE 1. Selected morphometrics of the holotype and paratypes of C. williamsi; SL in mm, other values as percentage of standard length (SL) or head length (HL), as indicated, with the average and ranges provided in parentheses for the paratype series.
| Sex |
Holotype F |
Paratypes>20.0 mm SL 6 M, 9 F |
| Standard length (SL) |
32.9 |
20.0–32.5 |
| Head length (% of SL) |
30 |
32 (29–36) |
| Head depth (% of HL) |
54 |
49 (45–54) |
| Head width (% of HL) |
63 |
64 (54–73) |
| Interorbital width (% of HL) |
6 |
6 (4–7) |
| Predorsal-fin distance (% of SL) |
38 |
39 (38–41) |
| Preanal-fin distance (% of SL) |
61 |
62 (60–64) |
| Prepelvic-fin distance (% of SL) |
32 |
32 (28–34) |
| Pectoral-fin length (% of SL) |
36 |
34 (32–39) |
| Pelvic-fin length (% of SL) |
23 |
25 (24–28) |
| Caudal-fin length (% of SL) |
32 |
36 (32–42) |
| Caudal-peduncle depth (% of SL) |
13 |
13 (12–14) |