Tiger salamanders' markings are variable throughout their extensive range, but the most common marking resembles the vertically striped pattern of their mammalian namesake.
Dolphin vs. Porpoise. Dolphins and porpoises are cetaceans â marine mammals â that are closely related to whales. Dolphins belong to the Delphinidae family and are up to 30 feet long. Porpoises, belonging to the Phocoenidae family, are smaller and stouter, with other anatomical differences. Though both animals are very intelligent, dolphins are deemed to be more social and live in larger, more stable groups.
Dolphins are marine mammals known as cetaceans and are related to whales and porpoises. They range in size from the 4 foot Mauiâs dolphin to the 30 foot orca or killer whale. They band together in social groups called pods, and hunt for food such as squid or schools of smaller fish.ith over 40 species throughout the world, dolphin populations and species are found in many locations. The largest of the dolphin species is the Orca or killer whale, which is mostly located in the cold polar waters.