Comprehensive DescriptionRead full entry
| Common names: mud-sucker (English), chupalodo (Espanol), gobio-chupalodo (Espanol) |
Gillichthys mirabilis Cooper, 1864
Moderately elongate, body compressed; head large (> 25% TL) broad, depressed; sensory papillae on head small, crowded, númerous; eyes small, far apart; jaws very long - lower extends ½ way to gill opening, upper to pectoral fin; preopercle covered with skin; teeth small, conical, 4-5 rows on each jaw; first dorsal fin low and rounded, VI (IV-VIII) spines; anal fin with short base; pectoral broad, rounded, top ray not partly free from fin; pelvics form disc, membrane between pelvic fin spines without side lobes; tail rounded; scales small (~ 90 rows along side), imbedded, rough in juveniles, mainly smooth in adults; narrow strip of scales on top of nape; skin covered with thick mucous.
Brown to blue-black, mottled above, yellowish below; diffuse dark stripe along cheek, dark blotch on operculum; a row of dark blotches midlaterally from operculum to tail base; soft dorsal fine oblique bars, other fins unmarked. Juveniles - 8 bars on body, black blotch at rear of first dorsal fin.
Size: 21 cm.
Habitat: burrows in shallow mud bottoms in tidal flats and bays, coastal lagoons.
Depth: 0-5 m.
California to central Baja and the upper and central Gulf of California.