Additional photos below
Head Pores - Cephalic head canal with pores B',C,D,E,F,H' and preopercle canal with pores M',N'
Scales - No scales on body; two basicaudal scales present.
Fins - D1 - VII (sometimes 8), filaments not elongate; D2 - 12(11-13); pectoral 21-22(20-23); anal 11(10-11); pelvic I,5 all branched, disk complete.
Head - No barbels;
Papillae - A transverse pattern with three vertical rows anterior of row b; row 5i/6i continuous and atthe anterior of row b, not extending below the level of row d; row d continuous.
Color - Bright orange-red head; iris dark w/2 vertical yellow bars, one passing on each side of the pupil. The spots and stripes in the body are brown except that the posterior stripe is blue head pinkish red with bright red stripe behind each eye and on mid-interorbital; body translucent pale yellowish with about 8 internal black blotches or spots along middle of side, and broad blackish internal stripe just above abdominal cavity. (A&R 1994)
Distribution - The upper Gulf of CA (Isla Angel de la Guarda) to Ecuador. In the gulf it is more common in the central and lower regions (Thomson et al 1979) Gulf of California to Ecuador (A&R 1994)
Habitat - A shallow water goby frequently found living with the club urchin (Eucidaris thouarsii) in the holes in the reef (Thomson et al 1979) inhabits rocky reefs in 1.5-6 m.
Notes - Panama and Ecuador with distinct population differences.
Photos by Alicia Hermosillo-González - specimes from Isla de Coiba, Panama