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| Common names: worm-goby (English), gobio-gusano (Espanol) |
Cerdale paludicola Dawson, 1974
Body short, stubby, eel-like, body height ~ 10% of SL; tail longer than head and body; mouth strongly oblique, lower jaw projecting; top lip with a two-lobed cirrus between the front and rear nostrils; lower lip notched below front nostril; lower lip with broad fleshy expansion at rear; chin ridged on sides; 2 rows of teeth on each jaw, conical outer row, chisel-like inner row; gill opening tubular; dorsal fin spines of equal height and spacing X-XII, 30-33, origin over or behind pectoral fin; anal rays 28-32 ; pectoral rays 15; dorsal and anal fins unconnected to tail fin; scales small, close-set to slightly overlapping on head and upper body; body completely scaled except for mouth and area before rear nostril; tail fin with inner ½ scaled; a few scales on base of pelvics.
Brown to tan, paler below; top of head mottled; sometimes 3 narrow pale bars angled across operculum and cheek; scales on sides with dark margins; mid-belly with row of dark dots; front of chin dark; fins pale; pupil dark grey.
Size: 8 cm.
Habitat: mangrove swamps, including high intertidal.
Depth: 0-2 m.
Costa Rica to Ecuador.