dcsimg
Robin Agarwal   cc-by-nc-4.0

Phocoenidae (Porpoises) is a family of mammals. Reproduction is viviparous. They rely on lift powered swimming to move around.

  • URI: https://eol.org/schema/terms/lift_based_swimming
  • Definition: Hydrofoils, or fins, are used to push against the water to create a normal force to provide thrust, propelling the animal through water. The reduction of fin cross-sectional area helps to minimize drag, and therefore increase efficiency. Regardless of size of the animal, at any particular speed, maximum possible lift is proportional to (wing area) x (speed)<sup>2</sup>. Dolphins and whales have large, horizontal caudal hydrofoils, while many fish and sharks have vertical caudal hydrofoils.
show all records

EOL has data for 38 attributes, including:

Known occurrences, collected specimens and observations of porpoises. View this species on GBIF
Robin Agarwal   cc-by-nc-4.0

Porpoise Habitats

The environments in which many porpoises species are known to live. Select an environment to see its porpoises species checklist.

porpoises Habitats

The environments in which many porpoises species are known to live. Select an environment to see its porpoises species checklist.