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.
Meaning: Any of several small gregarious cetacean mammals having a blunt snout and many teeth. Classified under: Nouns denoting animals. Hypernyms (porpoise is a kind of...): dolphin (any of various small toothed whales with a beaklike snout; larger than porpoises) Hyponyms (each of the following is a kind of porpoise): harbor porpoise; herring hog; Phocaena phocaena (the common porpoise of the northern Atlantic and Pacific)