Malacoctenus zacae Springer, 1959. Zaca Blenny. To 6.5 cm (2.6 in) TL (Allen and Robertson 1994). Isla Guadalupe; tip of Baja California and extreme south-western part of Gulf of California to central Mexico (Robertson and Allen 2015). Benthic; depth: shallow water (Thomson et al. 1979) to 10 m (33 ft) (Robertson and Allen 2002).