Table 4. — Range of total lengths and range of measurements expressed as percent of total length in western Atlantic Scyliorhinus 



Species... 



Number of specimens measured. 

 Length range in millimeters 



S. retifer 



10 

 173-465 



S. meadi 



5 

 183-264 



S. hesperius 



13 



16*466 



S. boa 



7 



143-34S 



S. torrei 



7 

 129-270 



Tip of snout to — 



Anterior nasal aperture 



Posterior nasal aperture 



Front mouth. _ 



Eye 



Gill I 



Gill V 



Origin pectoral 



First dorsal fin 



Pelvic fins 



Anal fin 



Second dorsal fin 



Lower caudal fin 



Upper caudal fin 



Anus 



Length upper caudal fin 



Base first dorsal fin 



Base second dorsal fin 



Base anal fin 



Distance between dorsal fins 



Intemasal distance. 



Length orbit -. 



Length lower labial fold 



Length upper labial fold 



Width mouth 



Length mouth 



Height gill I. 



Height gill V 



Tip second dorsal to caudal 



Tip pelvic to second dorsal 



Tip pelvic to anal 



Tip pelvic to lower caudal 



Length outer margin pectoral 



Length anterior margin first dorsal 



Length anterior margin second dorsal. 



Length anterior margin anal... 



Distance eye to spiracle. 



Percent 



2.3-3.4 



3.6-4.7 



4.4-5.8 



4.5-6.1 



14.1-16.5 



18. 1-22. 2 



16. 4-20. 7 



45. 7-51. 1 



39.6-41.8 



56. 5-60. 7 



62. 5-67. 5 



72. 3-76. 7 



71.7-78.2 



41.0-44.4 



21.6-25.4 



5. 5- 7. 



4.5-5.8 



7.2- 9.1 



10.6-11.9 



1.5-2.3 



3.2- 4.3 



1.3-2.1 



Percent 



3.0-3.8 



4.2- 4.5 



4.4-4.9 



5.3-6.0 



13.1-15.8 



18.6-21.6 



16. 7-20. 



4r, :', -is. .-, 



40.4-42.1 



55. 7-57. 6 



62.8-64.8 



71. 5-75. 



73. 6-75. 9 



43.2-45.5 



25.2-28.0 



5. 8- 6. 8 



5.3-6.3 



7. 8- 9. 5 



10.5-11.6 



5. 8- 6. 8 



2.6-3.8 



1.6- 2.3 



Percent 

 2.3-4.0 



3. 7- 5. 1 



4. 5- 5. 7 



5. 0- 6. 8 

 14.5-16.6 

 18.9-21.5 

 17. 7-19. 8 

 46. 9-53. 7 

 39. 5-44. 4 

 54.4-62.5 



t,i 8-tw i 



73. 0-77. 4 



74. 4-79. 3 



41.2-51.0 



20. 7-27. 5 



5. 6- 6. 7 



4.3-5.2 



7.2- 9.2 



9.2-11.3 



1. 7- 2. 7 



3. 1- 4. 7 

 0.9- 1.9 



Percent 



2.5-3.5 



3.8-4.9 



4. 2- 5. 6 



5.2- 6.3 



13. 7-16. 



18. 0-20. 4 



16. 2-18. 8 



45.5-52.0 



38. 9-41. 9 



53.8-61.6 



63.6-68.9 



72. 7-78. 2 



74. 8-79. 5 



40. 1-44. 8 



19.9-25.2 



5. 4- 6. 8 



4. 4- 5. 8 



7. 2- 9. 3 



10. 3-13. 7 



1.8- 2.8 



2.9-4.3 



0.4- 1.8 



6. 3- 8. 1 

 2.8-4.5 

 1.6- 2.3 

 0.6-1.2 

 1.8-3.7 

 13.6-15.9 

 6.8-10.7 

 21.3-25.6 

 11.4-15.0 

 8. 1-10. 

 5. 7- 7. 7 

 5.3-8.2 

 0.4-1.2 



7.4-8.9 



3. 3- 4. 3 



1.1- 2.6 



0.5- 1.3 



2. 7- 4. 7 



10.5-13.2 



5.8-8.4 



21.1-25.0 



10.9-13.6 



8. 8-10. 6 



6. 8- 8. 7 



6 8-9.1 



1.1- 1.6 



6. 9- 8. 8 

 3. 3- 4. 4 

 1.5-2.5 

 0.6- 1.5 

 1.7- 4.2 

 9.6-15.4 

 4.3-10.2 



20. 8-25. 4 

 10. 7-14. 9 



7. 5-10. 1 



5. 7- 8. 2 



5.8- 9.2 

 0.7- 1.5 



5. 8- 7. 8 



2.8-4.0 



1.3-1.9 



0.6-1.2 



2.0-4.9 



13.0-16.3 



6.3-11.5 



22.3-26.6 



11.8-13.7 



8. 0-10. 4 



5. 4- 7. 9 



6. 9- 8. 3 



0. 7- 1. 3 



Percent 

 1.4- 2.2 

 2.7- 3.9 

 3. 5- 4. 7 



4. 1- 6. 4 

 13.0-14.7 

 16. 4-18. 

 15.4-17.2 

 44.9-51.8 

 33.2-39.5 

 54.2-60.0 

 63. 6-69. 6 

 73. 6-78. 5 

 75.2-79.6 

 37.9-42.2 

 20. 4-24. 



5.9-7.0 



4.2- 4.7 

 7.3-9.4 



10. 9-14. 5 

 1.6-2.3 

 3. 1- 3. 5 

 1.2-2.0 



6. 1- 7. 8 



3.5- 5.5 



1.6- 2.3 

 0.2- 1.2 

 2 7- 4.7 



14.7-18.2 

 6. 2-10. 1 



24.6-28.2 

 8.5-11.3 

 7. 8- 8. 6 



4.2- 5.7 

 5.5-7.4 

 0. 7- 1. 2 



Table 5. — Measurements of type specimens of Schroederichthys, Galeus cadenati and selected examples of Galeus arae 



620 



U.S. FISH AND WILDLIFE SERVICE 



