Life of Sea | Chilean Dolphin (Cephalorhynchus eutropia) | Chileandolphins or Black dolphins can be foundin the cold, shallow, coastal watersof South Americafrom Valparaiso, Chile, SouthIslaNavarino, CapeHornandBeagleChannel, Argentina.Inthe earlytwentiethcentury,the ChileanDolphinwascommonly knownas the BlackDolphin. Most ofthe fewindividual specimensstudied byscientists wereeitherwashedpeoplewhoseskin wasdarkened byexposure toair orlive specimensseenat sea, but onlyatadistance (and so it seemeddarkerthan theywere). As morespecimenswere studiedit became clearthat the back ofthedolphinwas in factamixture ofgraysandtheundersideis white. The scientific communityisnow universallyagreed in thenameoftheChileandolphinunderthe division alongthecoast of the country.
Species: C. eutropia
It is thought thatthis isanicespecies astheyare commonly foundin smallgroups of2 to 10dolphins andlarge groupsof 20-50in the northernpart of the range. There are reports oflarger groups, including a remarkable15 mileslongpodof Chileandolphinnearthe coastline.Chileandolphinsinhabitingshallowwaterswith strongcurrentsand are known toenterriversandestuaries. In the southern partof theirrange,Chileandolphinstend to be morewaryof boats, but in thenorth haveseenthembowriding.
The Chileandolphinis a smalldolphinabout 170cmin length, withablunthead. The Dolphinis thick-shaped with asize up totwo thirdsof its length. The dorsal finandflippersare small inrelation to bodysize compared withotherdolphins. The throat, the bottom andthenearest partofthe flippersto the bodyare white. The Dolphinhas28 to 34pairs of teeth inthe upper jaw and29-33in the lower.