Comprehensive DescriptionRead full entry
| Common names: sea-catfish (English), congo (Espanol) |
Cathorops multiradiatus (Günther, 1864)
Body elongate; eye large; top of head rough on rear half, covered with thin skin; a large, deep central groove in top of head in two sections: on snout and well behind eye, that with straight edges; bony process on nape short, funnel shaped, plate at base of dorsal fin half-moon shaped; 3 pairs of barbells (on chin and both jaws), top barbels 22.9-27.7% of SL, long; gill opening restricted to sides by adhesion of gill membranes to breast; gill rakers 16-19; rakers on posterior surface of all arches; lips fleshy, but not thick; top jaw slender, with fine teeth at front in a continuous broad band; teeth on roof of mouth molariform, in two well-separated patches, those patches small, with few molars, those patches much larger in female, well separated in both sexes; dorsal rays I, 7, dorsal spine longer than pectoral spine; anal rays 25-27; pectoral rays I, 10-11, pectoral spine 16.9-18.7% of SL, with long, strong serrations on inner margin.
Charcoal or bluish brown on back, silvery on sides, and white below; fins dusky.
Size: attains 34 cm.
Inhabits brackish bays and river mouths, entering fresh water.
Depth: 0-20 m.
Guatemala to northern Peru.