Marine life seen at Rollover Pass, and the bay and gulf surrounding it, includes blacktip sharks, red drum, black drum, speckled sea trout, flounder, sheephead, ladyfish or skipjacks, gafftop sail catfish, hardhead catfish, ribbonfish, needlefish, tripletail, Spanish mackerel, jack crevale, tarpon, pompano, croaker, sand trout, whiting, mullet, mud minnows, shad or menhaden, dogfish, brown shrimp, white shrimp, sea otters, blue crabs, stone crabs, and fiddler crabs. Endangered species have also been sighted there, specifically green turtles, loggerhead turtles, and the American eel.