(Triakis semifasciata) is a species of houndshark, family Triakidae, found along the Pacific coast of North America from the U.S. state of Oregon to Mazatlán in Mexico.
Typically measuring 1.2–1.5 m (3.9–4.9 ft) long. They are most common near the coast, in water less than 4 m (13 ft) deep.
They are harmless to humans. - (Source Wikipedia)
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