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[10] [11] More extensive anomalous pigmentation has been observed, with records of pure all-white individuals, [12] [13] as well as melanistic (all-black) individuals. [14] [15] In 1998, a potential hybrid of a southern right whale dolphin and a dusky dolphin (Lagenorhynchus obscurus) was observed and subsequently described in 2002. This animal ...
The northern right whale dolphin has a streamlined body with a sloping forehead, and a slimmer build than other delphinids. It lacks any fin or ridge on the smoothly curving back. [4] [5] Its body is nearly all-black with a white ventral marking, extending forward as a narrow band from the caudal peduncle to
The IUCN lists Commerson's dolphin as Least Concern in its Red List of Threatened Species. The proximity of the dolphin to the shore makes accidental killing in gillnets a common occurrence. The dolphin was killed for use as crab bait by some Argentinian and Chilean fishermen in the 1970s and 1980s, but this practice has since been curtailed. [2]
The northern right whale dolphin is the only dolphin in the Pacific with this property. Similarly, the Southern is the only finless dolphin in the southern hemisphere. The two species can be readily distinguished (apart from the geographical separation in their ranges) by the extent of the whiteness on the body.
Peale's dolphin (Lagenorhynchus australis) is a small dolphin found in the waters around Tierra del Fuego at the foot of South America. It is also commonly known as the black-chinned dolphin or even Peale's black-chinned dolphin. However, since Rice's work [3] Peale's dolphin has been adopted as the standard common name.
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The U.S. Commerce Department on Thursday finalized an award to SK Hynix of up to $458 million in government grants to help fund an advanced chip packaging plant and research and development ...
This usually happens between age 8 or 9. A fused pattern is reached when dark and white spots are on both the ventral and dorsal sides. As the animal matures, the spots become denser and spread until the body appears black with white spots at full maturation. [6] In comparison to other dolphin species, the Atlantic spotted dolphin is medium-sized.