American Eel: Anguilla rostrata
Appearance:
The American Eel is also know as the pencil eel, yellow eel,
black eel, silver eel, Boston eel, Atlantic eel or common eel.
The body is extremely elongated (snakelike), with a very long
dorsal fin that is confluent with the anal fin. Pelvic fins
are absent and tiny scales are embedded in the skin giving eels a
smooth feel. The adult color is a yellow-brown with pale
underbelly.
It is a distinct species with no known subspecies. Similar
species exist around Japan, Australia and Europe.
This is a gourmet fish in the Asian markets and is often used in
Sushi. It tends to be bony by American standards but is good
smoked.
Habitat:
American eels are found in waters with coastal access along the
Atlantic seaboard of the US.
Eels are primarily riverine but access ponds and lakes.
They orient to structure and flow.
Behavior:
Spawning is still not well understood but
fascinating. The adults migrate to the ocean during
autumn. During the long trek the fish metamorphose into a
"silver eel" stage lose their vision and stop eating.
Meanwhile, the gonads expand dramatically. The fish head to a
location near the Sargasso Sea where they spawn en masse and
apparently die. The eggs hatch into leaf-shaped floating
leptocephalus larvae that drift with the currents. When they
come within range of a freshwater river, the leptocephalus
metamorphoses again into a tiny semi-transparent "glass eel" that
buries itself in the sand. The glass eel that changes again
into a pigmented pencil eel and continues its migration upstream to
find a habitat to mature and await it's time to go spawn.
This process of spawning in the ocean and maturing inland is termed
catadromy (the fish are catadromous).
Brown eels are predators that feed on insects, crustaceans,
mollusks and some fish. Although often associated with
decaying food, they prefer live food.
American eels are known to live as long as 43
years, but generally migrate to spawn and die long before then.
State Record:
Approximately 60-inch long male weighing about 16 pounds.
Fishing Tips and Facts:
Not generally considered to be a sport fish in this country. They can be caught on hook and line and are taken commercially.
Additional Information:
Image Credit: Duane Raver, Jr.