Fins - D1 VI, no elongate spines; D2 - 9(8-9); pectoral 16(15-18); pelvic I,5 fins seperate, no anterior frenum
Head - interorbital broad 3 times eye diameter; anterior nostril tubular overlapping upper lip posterior nostril open pit; maxilla extending to middle or end of eye.
Papillae - A transverse pattern with rows 2,3,4 extending below level of row d; additional small vertical rows between complete vertical rows; lacking row ot' on upper opercle
Color - Preserved: Body dark brown laterally, lighter along the dorsum or tan with rows of spots on sides of varying intensity; abdomen and gular region lighter. Cheek with 2 dark streaks radiation posteriorly from eye, one along sulcus between nape and cheek and operculum. Large spot on upper pectoral-fin base which may be covered by the operculum membrane, two elongate spots extending from pectoral-fin base onto pectoral-fin rays seen in some specimens. First dorsal fin with dark band along base and another reticulate band through middle of fin, dark spots generally present on spines above mid-level band, but not at tips, bands generally converging posteriorly; second dorsal fin with 5 to 8 wavy diagonal bands, sometimes over dusky membrane; anal fin dusky or with as many as 7 wavy rows of spots; caudal fin with 10-14 vertical bars formed by small spots on rays against a dusky membrane; pectoral fins peppered with small spots on rays, membrane may be clear or dusky, pelvic fins similar but with fewer rows of spots (Pezold & Cage 2002)
Distribution - French Guiana to North Carolina, Brazil and Antilles, enters freshwater stream in the Caribbean Basin (Pezold & Cage 2002)
Habitat - marine to fresh water streams
Notes - See Pezold and Cage 2002 for synonomys and additional information