Table 1 Morphometric data of five Neenchelys species, expressed as percentage of total length, trunk length, and head length
N. buitendijki | N. cheni | N. daedalus | N. diaphora sp. nov. | N. mccoskeri | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
n = 7 | Lectotype | n = 17 | n = 2 | Holotype | Types (n = 3) | n = 31 | ||||
Total length (mm) | 170-239 | 334 | 334-414 | 273-342 | 478 | 264-478 | 283-522 | |||
% Total length | Mean (range) | SD | Mean (range) | SD | Mean (range) | Mean (range) | SD | |||
Head length | 12.2 (11.0-14.1) | 1 | 8.6 | 9.5 (8.6-12.2) | 0.8 | 6.9-7.8 | 10.1 | 9.8 (9.3-10.1) | 7.1 (6.4-7.7) | 0.3 |
Predorsal length | 17.3 (16.7-18.6) | 0.8 | 37.7 | 40.0 (37.7-41.9) | 1.4 | 14.5-15.4 | 22.6 | 22.4 (21.9-22.8) | 23.0 (21.1-25.6) | 1 |
Trunk length | 29.3 (26.8-32.4) | 1.7 | 27.2 | 28.6 (26.9-31.1) | 1 | 19.0-19.6 | 25.3 | 25.1 (23.8-26.3) | 33.1 (30.9-36.6) | 1.3 |
Preanal length | 42.7 (41.0-46.5) | 2.3 | 36.2 | 38.1 (36.2-39.8) | 1.1 | 25.9-27.4 | 35.6 | 35.0 (33.7-35.6) | 40.1 (34.6-43.7) | 1.7 |
Tail length | 59.7 (55.2-61.8) | 2.2 | 64.4 | 61.8 (60.2-64.4) | 1.1 | 72.6-74.1 | 64.9 | 65.2 (64.4-66.3) | 59.6 (56.5-62.8) | 1.5 |
% Trunk length | ||||||||||
Gill opening to dorsal fin origin | 18.1 (16.6-19.2) | 1.1 | 106.9 | 107.3 (97.4-116.8) | 4.1 | 38.5-40.0 | 49.2 | 50.2 (49.2-51.3) | 48.1 (43.6-53.4) | 2.5 |
% Head length | ||||||||||
Pectoral fin length | 21.8 (15.0-25.5) | 3.5 | 13.2 | 13.3 (10.3-16.4) | 1.5 | 22.1-23.4 | 26.8 | 26.2 (25.0-26.8) | 2.6 (1.5-3.5) | 0.6 |
Snout length | 15.6 (13.6-17.6) | 1.3 | 22.6 | 21.7 (19.1-24.2) | 1.3 | 16.6-17.8 | 19.4 | 19.2 (19.0-19.4) | 19.7 (15.8-23.1) | 1.8 |
Eye diameter | 4.8 (4.4-5.3) | 0.3 | 7.3 | 7.9 (6.2-10.2) | 1.1 | 5.1-5.6 | 6.6 | 6.5 (6.1-6.8) | 6.4 (4.0-8.4) | 0.9 |
Upper jaw length | 28.3 (26.5-32.4) | 2 | 30 | 32.2 (26.6-37.1) | 2.7 | 24.3-26.4 | 29.3 | 30.4 (29.3-31.3) | 30.7 (27.9-37.2) | 2 |
Interorbital width | 7.5 (7.1-8.5) | 0.5 | 12.5 | 13.4 (10.8-15.6) | 1.4 | 8.4-8.7 | 13.6 | 13.8 (13.3-14.6) | 12.6 (10.4-16.1) | 1.5 |
Postorbital length | 78.5 (72.4-83.4) | 4.1 | 75.6 | 73.6 (69.5-75.6) | 1.8 | - | 72.2 | 75.4 (72.2-79.0) | 75.3 (70.2-82.5) | 3 |
Gill opening height | 12.9 (11.8-15.7) | 1.6 | 6.6 | 8.2 (5.6-13.5) | 2.4 | - | 12.6 | 11.0 (8.8-12.6) | 8.7 (6.3-11.9) | 1.3 |
Depth at head | 22.8 (17.6-36.2) | 6.6 | 30 | 31.5 (27.2-37.3) | 3.3 | - | 35.7 | 32.3 (30.3-35.7) | 32.4 (25.0-42.0) | 4.2 |
Depth at anus | 34.9 (30.9-38.5) | 2.8 | 24.4 | 26.1 (19.4-30.1) | 3 | 27.6-27.7 | 39.2 | 40.6 (32.6-50.0) | 35.1 (28.7-48.7) | 4.3 |
Width at anus | 25.7 (20.7-30.5) | 4.1 | 17.1 | 19.4 (16.1-23.5) | 2.2 | 16.4-17.9 | 33.8 | 32.8 (27.2-37.5) | 31.1 (24.2-37.4) | 3.7 |