Pantropical Spotted Dolphin

The pantropical spotted dolphin (Stenella attenuata) is a species of dolphin found in all the world's temperate and tropical oceans. The species was beginning to come under threat due to the killing of millions of individuals in tuna purse seines. In the 1980s, the rise of "dolphin-friendly" tuna capture methods saved millions of the species in the eastern Pacific Ocean and it is now one of the most abundant dolphin species in the world. == Taxonomy == The species was first described by John Gray in 1846. Gray's initial analysis included the Atlantic spotted dolphin in this species. They are now regarded as separate. Both the genus and specific names come from Latin words meaning thin or thinning. Two subspecies of the pantropical spotted dolphin are recognized: S. a. attenuata or the offshore pantropical spotted dolphin, found worldwide in tropical waters S. a. graffmani or the coastal pantropical spotted dolphin, found in coastal waters in the eastern tropical Pacific Another unnamed subspecies, which inhabits inland Hawaiian waters, was recognized in Rice (1998)'s overview of marine mammal taxonomy. == Description == The pantropical spotted dolphin varies significantly in size and coloration throughout its range. The most significant division is between coastal…