Opsanus tau

Opsanus tau
Oyster Toadfish – Opsanus tau
FamilyScientific NameAuthorYearCommon Name
BatrachoididaeOpsanus tau(Linnaeus)1766Oyster Toadfish

Opsanus tau

Unique Characters: Body brownish, variably blotched with darker brown. Fins banded. Canine-like teeth and photophores absent. Dorsal-fin spines 3; 1 subopercular spine present. Body scaleless. Axillary pore behind pectoral fins present.

Note: An undescribed species of Opsanus may also be present in North Carolina waters.

Similar Species: Atlantic Midshipman Porichthys plectrodon. Silvery to gold on sides with dark spots/blotches dorsally. Canine-like teeth and photophores present on head and lateral line. Dorsal-fin spines 2 and small; subopercular spines absent. Body scaleless. No axillary pore behind pectoral fins.

Porichthys plectrodon
Atlantic Midshipman – Porichthys plectrodon