Three new species of triplefin blennies of the genus Enneanectes (Teleostei, Tripterygiidae) from the tropical eastern Pacific with a key to Pacific species of Enneanectes.

Three new species of the triplefin blenny genus Enneanectes found in the Pacific Ocean off southern Mexico are described. Two, Enneanectes glendae and Enneanectes macrops, are mainland species, while the third, Enneanectes exsul, is endemic to the Islas Revillagigedo. A key to the five species of Enneanectes known from the tropical eastern Pacific is provided.