The clymene dolphin, aka short-snouted spinner dolphin, are the only known case of hybrid speciation in marine mammals, being descendants of the spinner dolphin and the striped dolphin. They can be found in the Atlantic Ocean off the coasts of Canada, United States, Mexico,
The Fraser’s dolphin, aka Sarawak dolphin, can be found in deep tropical waters; between 30°S and 20°N, mostly in the Pacific Ocean. However, they can also be seen in the Atlantic and Indian Oceans too. These dolphins face the threats of overfishing; bycatch, getting caught in
The striped dolphin, aka euphrosyne dolphin or streaker, is found globally in tropical and temperate waters. These dolphins are included in the genus Stenella; however, recent genetic work by LeDuc et al. in 1999 indicated that Stenella is not a natural group. They face the usual
The La Plata dolphin, aka cachimbo, franciscana, or toninha, is a small species of river dolphin found among coastal Atlantic waters of southeastern South America. They are threatened from multiple fronts. These diminutive
The Risso’s dolphin is the only species of the genus Grampus. Their closest relatives are pilot whales, melon-headed whales, pygmy killer whales, and false killer whales. These dolphins, like so many others, face the threats
The Pacific white-sided dolphin, aka hookfin porpoise, is found in the temperate and cool waters of the North Pacific Ocean. They are similar to the dusky dolphin, morphologically. They face similar threats as other oceanic
The northern right whale dolphin is but 1 of 2 species of right whale dolphin. They not only lack a dorsal fin, but they also look a bit like a porpoise. These critters inhabit the cold and temperate waters of the North
The humpback dolphin dwells among the shallow shoreline waters along the coastlines of Africa, Asia, and Australia. There are 4 recognized subspecies: the Indo-Pacific humpback, Indian Ocean humpback, Atlantic humpback,
The Chilean dolphin, aka tonina, hails only from the coastline of Chile. They are found nowhere else, sans an extant (unverified) population in Argentina. These dolphins face the threats of marine & freshwater aquaculture,
The pygmy killer whale isn’t actually a whale at all, but a species of dolphin, like other killer whales (orca). These critters are the smallest cetacean species with the word “whale” in its common name. Even though they face
