Are Porpoises Fish?
Are Porpoises Fish? Whales, dolphins, and porpoises What’s the difference between dolphins and porpoises? Dolphins and porpoises differ in their faces, fins, and body shapes. Dolphins have longer noses, bigger mouths, more curved dorsal fins, and longer, leaner bodies than porpoises. The Northeastern Offshore Spotted Dolphin, shown here, has a falcate, or sickle-shaped dorsal fin