Table 1 Morphometric measurements (mm) of individuals of two female specimens of Heptranchias perlo
From: First record of Heptranchias perlo (Bonnaterre 1788) in Guatemala’s Caribbean Sea
Measurements | Rf250 | Rf251 |
|---|---|---|
Total length | 370 | 280 |
Fork length | 280 | 210 |
Precaudal fin length | 260 | 190 |
Pre-first dorsal-fin length | 179.6 | 136.2 |
Head length | 80.5 | 62.9 |
Prebranchial length | 62.6 | 51.6 |
Prespiracular length | 55.4 | 44.1 |
Preorbital length | 21.9 | 18.5 |
Prepectoral-fin length | 73.3 | 59.1 |
Prepelvic-fin length | 157.1 | 166.7 |
Snout-vent length | 171.1 | 123 |
Preanal-fin length | 199.7 | 143.1 |
Dorsal caudal-fin space | 45.9 | 37 |
Pectoral-fin pelvic-fin space | 60.3 | 35 |
Pelvic-fin anal-fin space | 25.2 | 16 |
Anal-fin caudal-fin space | 34.4 | 25.3 |
Pelvic-fin caudal-fin space | 72.9 | 56.2 |
Vent caudal-fin length | 149.5 | 127.5 |
Prenarial length | 10.8 | 6.5 |
Preoral length | 19.4 | 16.5 |
Eye length | 20.2 | 14.7 |
Eye height | 7 | 4.1 |
Intergill length | 22.3 | 10.3 |
First gill slit height | 25.5 | 16.6 |
Second gill slit height | 21.6 | 13.1 |
Third gill slit height | 18.8 | 10.8 |
Fourth gill slit height | 16.9 | 9.1 |
Fifth gill slit height | 15.4 | 8.9 |
Sixth gill slit height | 14.4 | 7.3 |
Seventh gill slit height | 13 | 6.4 |
First dorsal-fin length | 30.5 | 21.1 |
First dorsal-fin anterior margin | 29.1 | 22.9 |
First dorsal-fin base | 23.5 | 16.3 |
First dorsal-fin height | 16.7 | 10.8 |
First dorsal-fin inner margin | 7 | 5.4 |
First dorsal-fin posterior margin | 15.2 | 12.8 |
Pectoral-fin anterior margin | 44.6 | 32.2 |
Pectoral-fin base | 38.2 | 26.2 |
Pectoral-fin inner margin | 22.2 | 12.6 |
Pectoral-fin posterior margin | 32.8 | 22.4 |
Pectoral-fin height | 35.9 | 24.3 |
Dorsal caudal-fin margin | 112.8 | 92.5 |
Preventral caudal-fin margin | 28.6 | 21.8 |
Upper postventral caudal-fin margin | 57.1 | 42.9 |
Lower postventral caudal-fin margin | 16.8 | 8.2 |
Caudal-fin fork width | 20.3 | 19.1 |
Caudal-fin fork length | 27.5 | 24.1 |
Subterminal caudal-fin margin | 16.5 | 13 |
Subterminal caudal-fin width | 8.2 | 4.2 |
Terminal caudal-fin margin | 12.4 | 11 |
Terminal caudal-fin lobe | 17.5 | 12.3 |
Pelvic-fin length | 34.9 | 27.1 |
Pelvic-fin anterior margin | 15.4 | 10.6 |
Pelvic-fin base | 20.6 | 14.5 |
Pelvic-fin height | 9.8 | 9.5 |
Pelvic-fin inner margin [length] | 12.3 | 10.5 |
Pelvic-fin posterior margin [length] | 24.6 | 16.9 |
Anal-fin length | 26.7 | 18.4 |
Anal-fin anterior margin | 15.4 | 10.7 |
Anal-fin base | 20.2 | 13.6 |
Anal-fin height | 9.9 | 7.6 |
Anal-fin inner margin | 6.3 | 4.7 |
Anal-fin posterior margin | 15.4 | 12.6 |
Head height | 28.7 | 20.5 |
Trunk height | 20.7 | 12.9 |
Abdomen height | 20.8 | 11.8 |
Tail height | 17.8 | 10.8 |
Caudal-fin peduncle height | 14.2 | 9.3 |
Mouth length | 36.9 | 28.4 |
Mouth width | 22.7 | 17.4 |
Nostril width | 5.7 | 3.5 |
Internarial space | 11 | 6.4 |
Interorbital space | 20 | 14.9 |
Spiracle length | 1.9 | 0.9 |
Eye spiracle space | 12.5 | 9.4 |
Head width | 29.7 | 19.7 |
Trunk width | 24.9 | 18.1 |
Abdomen width | 9.6 | 8.3 |
Tail width | 14.5 | 10.7 |
Caudal-fin peduncle width | 6.1 | 4.8 |