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Table 1 Morphometric data of five Neenchelys species, expressed as percentage of total length, trunk length, and head length

From: Revision of the worm eel genus Neenchelys (Ophichthidae: Myrophinae), with descriptions of three new species from the western Pacific Ocean

  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