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Image of South American sea lion
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South American Sea Lion

Otaria byronia (de Blainville 1820)

Calo Calvo Mac   cc-by-nc-4.0

Otaria byronia (South American Sea Lion) is a species of eared seals in the family eared seals. They are native to Atlantic Ocean, The Neotropics, and Pacific Ocean. They are diurnal omnivores. Individuals are known to live for 297.6 months and can grow to 2112.38 mm. Reproduction is viviparous. They have parental care (female provides care). They rely on swimming and lift powered swimming to move around.

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  • 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.
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EOL has data for 52 attributes, including:

Known occurrences, collected specimens and observations of South American sea lion. View this species on GBIF