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Table 1 Morphometric measurements (mm) of individuals of five male specimens of Scyliorhinus hesperius

From: First report of the whitesaddled catshark Scyliorhinus hesperius (Springer 1966) in Guatemala’s Caribbean Sea

Measurements Rf. 252 Rf. 253 Rf. 254 Rf. 255 Rf. 256
Total length (mm) 510.0 455.0 429.0 435.0 420.0
Fork length 440.0 401.0 381.0 390.4 370.0
Precaudal fin length 400.0 358.0 335.0 345.5 330.0
Pre-second dorsal-fin length 350.0 315.0 293.3 303.1 272.2
Pre-first dorsal-fin length 247.6 235.2 220.3 234.9 204.7
Head length 98.1 93.8 91.8 97.2 90.0
Prebranchial length 69.4 67.2 66.3 68.8 58.2
Prespiracular length 52.1 50.4 52.2 53.5 49.4
Preorbital length 28.8 26.9 26.4 27.3 26.4
Prepectoral-fin length 91.3 86.8 83.8 82.1 75.3
Prepelvic-fin length 205.2 186.1 178.8 189.7 175.2
Snout-vent length 221.2 200.3 190.9 204.8 197.9
Preanal-fin length 304.3 277.9 268.2 278.2 253.2
Interdorsal space 55.1 53.8 45.0 47.9 40.1
Dorsal caudal-fin space 30.4 23.6 23.0 22.0 20.0
Pectoral-fin pelvic-fin space 96.4 86.2 79.4 82.0 76.6
Pelvic-fin anal-fin space 70.6 64.2 58.0 62.1 52.7
Anal-fin caudal-fin space 48.3 39.5 45.5 39.3 43.0
Pelvic-fin caudal-fin space 155.5 139.1 130.4 132.0 127.0
Vent caudal-fin length 184.9 167.8 168.6 159.8 164.0
Prenarial length 14.5 12.4 13.4 12.5 12.3
Preoral length 22.2 20.9 18.9 20.7 18.2
Eye length 20.3 18.2 18.4 20.0 19.9
Eye height 6.7 5.1 5.1 5.2 4.2
Intergill length 30.3 27.7 23.4 28.4 23.8
First gill slit height 7.5 6.5 5.2 5.8 4.6
Second gill slit height 6.5 5.3 4.5 4.8 3.8
Third gill slit height 8.7 7.9 5.1 5.9 5.2
Fourth gill slit height 6.3 5.7 3.8 5.3 4.5
Fifth gill slit height 4.9 4.5 3.7 5.1 4.5
First dorsal-fin length 45.7 39.8 39.9 38.4 34.3
First dorsal-fin anterior margin 46.8 42.5 44.1 41.8 36.4
First dorsal-fin base 31.3 27.4 29.2 28.2 25.4
First dorsal-fin height 34.4 24.2 21.2 23.7 23.5
First dorsal-fin inner margin 14.7 14.2 14.2 12.3 9.8
First dorsal-fin posterior margin 29.2 22.7 22.1 22.2 19.8
Second dorsal-fin length 41.2 31.8 35.4 32.2 30.6
Second dorsal-fin anterior margin 31.5 29.6 32.3 31.2 28.4
Second dorsal-fin base 25.5 20.7 23.1 21.0 21.3
Second dorsal-fin height 21.6 15.5 13.0 14.9 14.8
Second dorsal-fin inner margin 14.1 12.2 10.6 10.6 10.1
Second dorsal-fin posterior margin 16.3 16.0 14.5 14.3 11.0
Pectoral-fin anterior margin 67.3 61.2 60.1 59.1 54.0
Pectoral-fin base 57.0 52.0 51.3 49.7 46.7
Pectoral-fin inner margin 29.0 26.6 24.8 26.1 23.5
Pectoral-fin posterior margin 48.2 45.7 41.5 42.9 38.5
Pectoral-fin height 50.9 50.8 47.7 51.0 40.3
Dorsal caudal-fin margin 107.5 97.4 96.9 93.7 89.0
Preventral caudal-fin margin 14.8 11.5 13.8 11.4 8.3
Upper postventral caudal-fin
margin 24.2 28.1 25.6 22.4 27.9
Lower postventral caudal-fin
margin 46.9 44.5 45.3 40.0 36.4
Caudal-fin fork width 26.5 26.2 26.1 25.6 20.5
Caudal-fin fork length 49.6 46.7 45.1 45.5 42.3
Subterminal caudal-fin margin 22.9 18.9 19.0 20.2 18.8
Subterminal caudal-fin width 11.4 9.2 10.3 9.2 8.2
Terminal caudal-fin margin 29.0 26.4 23.2 24.2 20.4
Terminal caudal-fin lobe 36.7 30.0 28.9 30.8 27.3
Pelvic-fin length 58.8 55.7 48.4 51.4 49.0
Pelvic-fin anterior margin 36.9 35.8 32.2 33.7 31.1
Pelvic-fin base 31.1 30.7 28.8 26.8 25.8
Pelvic-fin height 29.0 19.8 28.2 18.7 18.1
Pelvic-fin inner margin (length) 27.9 23.4 22.7 20.8 20.8
Pelvic-fin posterior margin (length) 39.4 35.9 34.5 35.2 35.5
Anal-fin length 53.5 49.9 45.8 47.5 42.0
Anal-fin anterior margin 34.4 34.7 36.0 36.0 28.8
Anal-fin base 41.7 37.5 35.6 34.9 32.9
Anal-fin height 19.6 16.4 16.8 14.5 15.3
Anal-fin inner margin 12.5 14.3 12.5 12.0 11.2
Anal-fin posterior margin 28.0 25.7 23.1 24.5 17.4
Head height 33.5 33.7 34.0 29.8 30.3
Trunk height 47.1 39.0 41.3 43.0 27.3
Abdomen height 31.4 25.8 28.9 26.4 26.2
Tail height 35.7 30.0 31.5 27.3 26.8
Caudal-fin peduncle height 15.5 16.8 14.3 13.4 12.8
Mouth length 16.9 15.6 15.2 14.7 18.4
Mouth width 32.0 25.4 28.2 26.8 23.3
Upper labial-furrow length 2.2 3.0 3.0 2.3 1.5
Lower labial-furrow length 6.0 5.0 5.1 6.1 5.2
Nostril width 9.9 9.8 9.0 10.3 10.3
Internarial space 8.0 7.9 7.8 7.9 5.7
Interorbital space 29.9 26.6 28.8 23.9 26.6
Spiracle length 3.5 2.8 2.9 2.2 1.9
Eye spiracle space 4.0 4.1 4.2 4.1 3.5
Head width 49.6 44.0 40.3 44.4 39.9
Trunk width 40.5 43.4 41.4 40.9 35.9
Abdomen width 19.6 15.2 14.4 13.8 12.9
Tail width 26.5 21.0 22.6 21.9 21.4
Caudal-fin peduncle width 8.0 7.7 9.0 6.1 6.8
Clasper outer length 22.7 20.4 19.4 20.3 20.1
Clasper inner length 37.5 33.7 35.0 31.4 34.1
Clasper base width 4.9 4.8 4.0 4.3 3.7