Table 1. Morphometric characters (given in mm and in % of SL) for †Kenyaichthys kipkechi sp. nov. based on the holotype (1209a/b´04) and all other specimens.
| Characters | Holotype | All other specimens (mean values ± SD and ranges) | ||
|---|---|---|---|---|
| Morphometrics | mm | % SL | mm | % SL |
| Total length (73) | 39.70 | 111.20 | 30.09 ± 3.20 (22.10–38.50) | 112.50 ± 2.02 (107.09–115.91) |
| Standard length (77) | 35.70 | – | 26.83 ± 2.80 (20.40–33.40) | – |
| Ratio of head length to head depth (68) | 1.45 | – | 1.53 ± 0.15 (1.27–1.97) | – |
| Length of head (76) | 10.46 | 29.30 | 7.92 ± 1.05 (5.73–10.85) | 29.61 ± 2.28 (24.73–33.94) |
| Head depth (68) | 7.19 | 20.14 | 5.22 ± 0.80 (3.60–7.05) | 19.52 ± 2.38 (15.16–24.41) |
| Eye diameter (72) | 2.78 | 7.79 | 2.32 ± 0.38 (1.41–3.26) | 8.65 ± 1.09 (5.72–12.21) |
| Gill opening (74) | 2.73 | 7.65 | 2.29 ± 0.35 (1.36–3.34) | 8.56 ± 0.98 (6.05–10.31) |
| Preorbital distance (72) | 3.53 | 9.89 | 2.35 ± 0.55 (1.07–3.89) | 8.50 ± 1.67 (4.04–12.44) |
| Length of dorsal fin base (70) | 3.93 | 11.01 | 3.51 ± 0.55 (2.49–4.89) | 13.15 ± 1.52 (9.83–16.16) |
| Depth of dorsal fin (58) | – | – | 2.67 ± 0.51 (1.25–3.63) | 10.02 ± 1.65 (6.13–14.83) |
| Length of anal fin base (73) | 4.92 | 13.78 | 4.01 ± 0.60 (1.91–5.65) | 14.97 ± 1.82 (9.05–19.49) |
| Depth of anal fin (62) | – | – | 2.52 ± 0.48 (1.13–3.33) | 9.38 ± 1.55 (5.42–12.87) |
| Length of pectoral fin (60) | 2.52 | 7.06 | 2.45 ± 0.57 (1.09–3.70) | 9.04 ± 1.92 (4.61–13.31) |
| Length of pectoral fin base (67) | 1.48 | 4.15 | 1.15 ± 0.29 (0.56–1.97) | 4.29 ± 0.94 (2.17–7.16) |
| Length of pelvic fin (65) | 1.13 | 3.17 | 1.26 ± 0.30 (0.48–1.92) | 4.69 ± 1.00 (2.35–6.96) |
| Length of pelvic fin base (66) | 0.24 | 0.67 | 0.25 ± 0.06 (0.13–0.44) | 0.93 ± 0.24 (0.48–1.72) |
| Length of caudal fin (71) | 3.94 | 11.04 | 3.59 ± 0.49 (1.99–4.71) | 13.50 ± 1.63 (8.21–16.77) |
| Minimum body depth (72) | 2.51 | 7.03 | 2.30 ± 0.38 (1.62–3.25) | 8.60 ± 1.12 (6.41–11.82) |
| Maximum body depth (61) | 7.35 | 20.59 | 5.56 ± 0.84 (3.80–7.67) | 20.60 ± 2.54 (16.42–27.89) |
| Predorsal distance (75) | 21.68 | 60.73 | 15.63 ± 1.70 (11.43–19.38) | 58.38 ± 2.12 (50.04–65.05) |
| Preanal distance (77) | 22.07 | 61.82 | 15.99 ± 1.96 (11.54–20.81) | 59.52 ± 2.53 (52.91–66.05) |
| Postdorsal distance (66) | 13.29 | 37.23 | 11.03 ± 1.25 (7.87–13.76) | 41.56 ± 2.75 (34.56–49.80) |
| Postanal distance (67) | 12.65 | 35.43 | 10.47 ± 1.21 (7.49–13.62) | 39.32 ± 3.18 (31.15–53.83) |
| Length of caudal peduncle (74) | 9.09 | 25.46 | 6.98 ± 0.75 (5.33–8.69) | 26.10 ± 1.60 (21.51–29.72) |
| Distance between Pectoral-Anal fins (72) | 10.34 | 28.96 | 7.06 ± 0.93 (5.15–9.74) | 26.24 ± 2.40 (20.36–31.92) |
| Distance between Pelvic-Anal fins (70) | 3.93 | 11.01 | 2.30 ± 0.46 (1.18–3.26) | 8.59 ± 1.52 (4.61–11.91) |
| Distance between Pectoral-Pelvic fins (69) | 6.38 | 17.87 | 4.74 ± 0.67 (3.17–6.19) | 17.71 ± 1.89 (12.93–21.25) |
| Prepelvic distance (71) | 18.29 | 51.23 | 13.70 ± 1.79 (9.44–18.69) | 51.04 ± 2.70 (45.17–57.69) |
| Prepectoral distance (72) | 11.89 | 33.31 | 8.99 ± 1.37 (6.32–13.42) | 33.28 ± 2.54 (28.26–40.18) |
| Lower jaw length (64) | 3.80 | 10.64 | 2.81 ± 0.40 (1.95–3.87) | 10.44 ± 1.30 (7.53–14.05) |
| Upper jaw length (58) | 3.68 | 10.31 | 2.65 ± 0.42 (1.75–3.56) | 9.81 ± 1.15 (7.17–13.00) |
| Hypural plate length (77) | 1.39 | 3.89 | 0.78 ± 0.35 (0.11–1.41) | 2.85 ± 1.15 (0.48–4.85) |
| Hypural plate width (74) | 1.50 | 4.20 | 0.91 ± 0.39 (0.30–1.71) | 3.34 ±1.27 (1.14–5.60) |
(), number of specimens; SD, standard deviation.