The northern searobin uses its finger-like pelvic fins to feel for and uncover its prey. (U.S. Geological Survey)
The northern searobin is an unusual-looking fish with a mottled body, wing-like fins and a flat, bony head. It visits the deep waters of the lower Chesapeake Bay from spring through early winter.
Appearance:
Tapered body that gets thinner toward the tail
Mottled grayish or reddish-brown back
Whitish belly
Flat, bony head
Bright blue eyes
Sharp spines on the cheeks, neck, shoulders and above each eye
Three finger-like pelvic fins
Large, wing-like pectoral fins
Two separate dorsal fins: one spiny and one smooth. The spiny dorsal fin has a black spot between the fourth and fifth spines.
Grows less than 12 inches long
Habitat:
Bottom-dweller
Lives over deep, sandy flats and channels
Range:
Visits the Chesapeake Bay from spring through early winter
Most common in the lower Bay, but has been collected as far north as the Potomac River
Moves offshore or to warmer southern waters in winter
Feeding:
Bottom-feeder
Uses its modified pelvic fins to feel for and uncover its prey, which includes crabs, shrimp, bivalves and other fish
Voice:
Uses its swim bladder to make a croaking sound, similar to a frog’s croak
Reproduction and Life Cycle:
Spawns from late spring through summer
The female lays its eggs over a sandy area
Eggs hatch within 60 hours
Parents do not care for their young
Other Facts:
The most common searobin species in the Chesapeake Bay
Anglers consider searobins to be a nuisance because they steal bait and are unpleasant to handle. However, they are tasty to eat.
Sources and Additional Information:
Fishes of Chesapeake Bay by Edward O. Murdy, Ray S. Birdsong and John A. Musick
