Tiger salamanders' markings are variable throughout their extensive range, but the most common marking resembles the vertically striped pattern of their mammalian namesake.
All are air-breathing, warm-blooded mammals that nurse their young. The difference between a dolphin and a porpoise has to do with their appearance: dolphins have longer snouts, bigger mouths, more curved dorsal fins, and longer, leaner bodies than porpoises. 1  Share on Facebook.  Tweet on Twitter.
Introduction to Harbour Porpoise. There are many ocean creatures in the world and one of them is the Harbour Porpoise. It is considered to be one of the smallest Cetaceans. It is often confused with a Dolphin but they are different in a variety of ways.