Manta alfredi cruising - swimming with cephalic lobes rolled and mouth closed. Manta rays are large eagle rays belonging to the genus Manta. The larger species, M. birostris, reaches 7 m in width while the smaller, M. alfredi, reaches 5.5 m. Both have triangular pectoral fins, horn-shaped cephalic fins and large, forward-facing mouths. They are classified among the Elasmobranchii (sharks and rays) and are placed in the eagle ray family, Myliobatidae.
Aside from the Falkland Islands wolf, the Sea Mink is the only other terrestrial mammal species in the order Carnivora to go extinct in historic times. Prized for its fur, this tiny creature was vigorously hunted until its extinction in the