Labrisomus multiporosus, the Porehead blenny, is a species of labrisomid blenny native to the eastern Pacific Ocean from Mexico to Peru including the Galapagos Islands. This species lives on reefs from very shallow waters to a depth of 5 metres (16 ft). It can reach a length of 18 centimetres (7.1 in) TL though most do not exceed 10 centimetres (3.9 in).

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