|Family||Scientific Name||Author||Year||Common Name|
|Carcharhinidae||Rhizoprionodon terraenovae||(Richardson)||1836||Atlantic Sharpnose Shark|
Unique Characters: Body gray with occasional white spots. Second dorsal fin behind anal fin. Upper labial folds long and prominent, horizontal on upper lip. Spiracles absent. Lateral keels absent. Second dorsal fin considerably smaller than first, height 0.2-0.5 times first dorsal-fin height. Midlength of first dorsal-fin base usually closer to pectoral-fin insertions than to pelvic-fin origins, sometimes equidistant between pectoral and pelvic-fin bases. No gill rakers. Back grey, blue-grey, or brownish. Anal-fin base expanded anteriorly by a very long pair of preanal ridges.
Similar Species: None.