Gobiosoma sp. h
Head Pores - Cephalic head pores B',C,D,E,F,H' and K',L' (present in larger specimens); preopercle pores M',N,O'
Scales - Scale cover variable; 2-4 basicaudal scales with slightly enlarged ctenii; scales under pectoral fin ranging from four scales to two longitudinal rows extending to near the posterior margin of the first dorsal; scales on caudal peduncle ranging from four scales along midside to a wedge of scales extending forward to near the origin of the second dorsal.
Fins - D1 - VII, first spine or two sometimes elongate in males; D2 - 12[11-13]; anal - 10[3-7]; pectoral 19-20[18-21]; caudale segmentd rays - 17;
Head - Maxilla reaching to between end of pupil and rear margin of eye; interorbital less than 1/2 eye diameter; gill rakers on first arch slender, 9-10[8-11]; mandibular frenum bilobed forming two barbels, a small barbel on preorbital rim below anterior nostril; anterior nostril with small flap.
Papillae - A transverse pattern with three vertical rows anterior to row b; row 5i/6i under the middle of row b and extending below the level of row d; rows 1-3 not extending below the level of row d.
Urogenital papilla - males pigmented along the base half way; females not pigmented or with a few small melanophores
Color - In alcohol: Head and body with light to dark brown bands interspersed with lighter narrow bands; small spot at the upper and posterior margin of preoperculum and at upper and lower posterior margin of operculum; head with two transverse reticulate bands; body with 7-10 transverse bands, from first dorsal origin to end of caudal peduncle; a vertical bar at base of caudal fin; bands broader on larger specimens; a series of short black dashes along midside, sometimes obscure; an upper and lower spot on base of pectoral fin, sometimes connected to form a bar; chest with a few scattered melanophores in males and females that are collected in the winter; dorsal fin with two longitudinal bars, lower band narrow and more prominent; anal fin dusky; pelvic fin dusky; caudal and pectoral fins dusky to clear, without transverse bands.
Distribution - Pacific and Gulf coasts of Baja California and along the east coast of the Gulf of California from Puerto Penasco to San Blas.