Pseudopleuronectes americanus

Winter Flounder - Pseudopleuronectes americanus
Winter Flounder – Pseudopleuronectes americanus
FamilyScientific NameAuthorYearCommon Name
PleuronectidaePseudopleuronectes americanus(Walbaum)1792Winter Flounder

Pseudopleuronectes americanus

Unique Characters: Color variable. Tannish, reddish brown, olive green, to dark slaty or black. May be uniformly colored, mottled, blotched or partially white. Smaller specimens are paler and more marked than large specimens. Blind side is usually white; some with yellow on lower caudal peduncle; some with dark blotches. Mouth small, snout short. Area between eyes scaled. Dorsal fin with 59-76 rays. Lateral line straight over pectoral fin.

Similar Species: Witch Flounder Glyptocephalus cynoglossus. Eyed side brown with or without darker bars. Pectoral fin with pale margin. Blind side is white with small, dark specks. Mouth very small. Lateral line not arched above pectoral fin. Dorsal fin with 97-117 rays.

Glyptocephalus cynoglossus
Witch Flounder – Glyptocephalus cynoglossus
Photo Credit: NOAA