Head - one barbel on snout below anterior margin of eye; one on lower surface of head directly behind end of jaws; one on posterior end of lower jaw, often reduced to a small bump; one on each side of mandibular frenum; two to four on each side of lower surface of head to side of isthmus; one median barbel on chin at posterior end of mandibular papillae row (H&L)
Papillae - A transverse pattern with first three vertical rows extending below the level of row d; row 5i6i at anterior of row b; row d in sections divided by rows 1,2,3
Color - In live material: Head and body translucent green, head generally darker than body. Lips dusky to black. Tips pf head papillae black. Top of head with transverse orange band behind eye; followed by a greenish band, which extends onto upper surface of pectoral base; followed by a green band. Ventral surface of head disky anteriorly. Branchiostegal membranes yellowish green. Body with orange spots, often forming iregular transverse bands anteriorly. Ventral surface of belly pale green. All fins of females with thin wavy orange bands. Bands of dorsals and anal sloping obliquely toward body posteriorly. Fins similar in males, except pelics, dorsals and anal often dusky; tip of pelvic white in male. Throat of male dusky, pale green in female. (H&L)
Distribution - Gulf of California, Mexico; Angel de la Guardia I.
Habitat - Cryptic species sometimes found under sponges, from intertidal to 27-32 m depths