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When ready to spawn, white sturgeon choose a variety of substrates dependent on the river system, spawning on gravel or rocky substrate in moderate to fast currents, with observed depths of 3–23 m (9.8–75.5 ft), and water velocities at the bottom on a range of 0.6-2.4 m/sec. [21] When eggs are released by the female, they are negatively ...
Nov. 10—KETTLE FALLS, Wash. — Standing at one end of a folding table, Derick Largin handled a small white sturgeon carefully, checking its back for a tag. Then he measured it, from snout to tail.
Exceptionally, both Huso species, the white sturgeon and the pallid sturgeon feed primarily on other fish as adults. They feed by extending their siphon-like mouths to suck food from the benthos . Having no teeth, they are unable to seize prey, though larger individuals and more predatory species can swallow very large prey items, including ...
Green sturgeon are similar in appearance to white sturgeon, except the barbels are closer to the mouth than to the tip of the long, narrow snout. The dorsal row of bony plates numbers 8–11, lateral rows, 23–30, and bottom rows, 7–10; there is one large scute behind the dorsal fin as well as behind the anal fin (both lacking in white ...
The lake sturgeon uses its elongated, spade-like snout to stir up the substrate and sediments on the beds of rivers and lakes to feed. Four sensory organs hang near its mouth to help the sturgeon locate bottom-dwelling prey. Lake sturgeons can grow to a large size for freshwater fish, topping 7.25 ft (2.2 m) long and 240 lb (108 kg).
A Salem man served jail time and owes thousands in fines for poaching a giant white sturgeon and four oversized sturgeon in Scappoose Bay in 2022, according to Oregon State Police.
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Critical habitat map for the Gulf sturgeon, 2003 Gulf sturgeon jumping on the Suwannee River, Florida. Large jumping sturgeons can inflict serious injuries to humans who get in the way. The Gulf sturgeon (Acipenser oxyrinchus desotoi) is a subspecies of sturgeon that lives in the Gulf of Mexico and some rivers draining into it. The Gulf ...