14 Facts About Sea lions

Sea lions are pinnipeds characterized by external ear flaps, long foreflippers, the ability to walk on all fours, short and thick hair, and a big chest and belly.

The sea lions have six extant and one extinct species in five genera.

Sea lions can move around 16 knots in water and at their fastest they can reach a speed of about 30 knots .

Until recently, sea lions were grouped under a single subfamily called Otariinae, whereas fur seals were grouped in the subfamily Arcocephalinae.

All sea lions have certain features in common, in particular their coarse, short fur, greater bulk, and larger prey than fur seals.

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Yet, the sea lions cannot avoid the effects of gradual CO2 build-up which eventually causes the sea lions to spend more time at the surface after multiple repeated dives to allow for enough built up CO2 to be expired.

Galapagos sea lions can be infected with Philophthalmus zalophi, an eye fluke.

The shocking results were that sea lions are affected by the parasites from the early ages of 3 weeks old up until the age of 4 to 8 months.

Geographic variation for sea lions have been determined by the observations of skulls of several Otariidae species; a general change in size corresponds with a change in latitude and primary productivity.

Steller sea lions have exhibited multiple competitive strategies for reproductive success.

New Zealand sea lions were exploited from hunting and sealing, and as a result were extirpated from New Zealand's mainland for over 150 years, with their population being restricted to the subantarctic.

Sea lions's was pulled out of the water with minor injuries and received antibiotic prophylactic treatment for seal finger infection from the superficial bite injury.

Sea lions have been a focus of tourism in Australia and New Zealand.

One of the main sites to view sea lions is in the Carnac Island Nature Reserve near Perth in Western Australia.