Species: Symphurus rhytisma, Patchtail tonguefish

Symphurus rhytisma Bohlke, 1961

Patchtail tonguefish

Body highly compressed, elongate, oval, tapers to pointed tail; body moderately deep; head long and narrow; snout moderately long and pointed; eyes small, close together on left side, no cover over pupil; mouth reaches to just behind front of pupil, lower jaw without fleshy crest on eye-side; well developed teeth on all jaws; preopercle edge covered with skin; dorsal origin ~ above upper eye, 83-87 rays; anal fin 68-71 rays; pectoral fins absent, represented by a fine membrane; only left pelvic fin present, 4 rays, on body midline, joined to anal fin by delicate membrane; dorsal and anal fins confluent with the pointed caudal fin; tail fin 12 rays; 91-97 lateral scales; no scales on dorsal and anal fin rays on blind side; no lateral line.