APPEARANCE: These rare dinosaur-era fish have bony plates instead of scales; long, sloped heads; and four whiskers (called "barbels") dangling beneath their snouts.
LENGTH: Up to 14 feet.
WEIGHT: Up to 800 pounds.
AGE: Up to 60 years.
DIET: Worms, mollusks, crustaceans, and insect larvae.
REPRODUCTION: Atlantic sturgeon spawn every two or three years, after reaching sexual maturity at age 10 or 15. The Atlantic sturgeon's preferred spawning habitat is hard, rocky, river bottoms.
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