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  1. Porpoise - Wikipedia

    Porpoises are distinguished from dolphins by their flattened, spade-shaped teeth distinct from the conical teeth of dolphins, and lack of a pronounced beak, although some dolphins (e.g. …

  2. What's the difference between dolphins and porpoises?

    Most scientists agree that there are 32 dolphin species (plus five closely related species of river dolphin) and only six porpoise species. So what’s the difference? It essentially comes down to …

  3. Porpoise | Definition, Habitat, & Facts | Britannica

    Learn about the impact of underwater noise on marine animals, notably harbour porpoises. The four Phocoena species are primarily fish eaters that usually swim in pairs or small groups …

  4. Porpoise - Types, Size, Habitat, Diet, Predators, & Pictures

    Dec 12, 2025 · Porpoises are small aquatic mammals from the cetacean family Phocoenidae that fall within a large group of toothed whales, Odontoceti. Often confused with dolphins, …

  5. Porpoises – meet the different species - Whale & Dolphin Conservation USA

    Porpoises are marine mammals. There are seven species of porpoise which includes the vaquita, the most endangered cetacean species in the world.

  6. Dolphin vs Porpoise - Difference and Comparison | Diffen

    Dolphins and porpoises are cetaceans — marine mammals — that are closely related to whales. Dolphins belong to the Delphinidae family and are up to 30 feet long. Porpoises, belonging to …

  7. Porpoise - New World Encyclopedia

    Porpoises are small cetaceans of the family Phocoenidae. Porpoises belong to the "toothed whales" suborder Odontoceti, along with whales and dolphins.

  8. Porpoises

    Porpoises are similar in appearance to a dolphin, however, they are more closely related to narwhals and belugas than to the true dolphins. There are eight extant species of porpoise, all …

  9. Dolphins vs. porpoises: What’s the difference? - IFAW

    Sep 29, 2025 · Both dolphins and porpoises are sleek, intelligent, fully aquatic mammals. They are highly social animals that live in pods and travel with other members of their own species. …

  10. Dolphins & Porpoises - NOAA Fisheries

    They belong to a group of marine mammals called cetaceans. Marine mammals in the cetacean family include whales, dolphins, and porpoises. These animals are often referred to as …