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White Sturgeon - Juvenile Close-up
A shot of a juvenile white sturgeon's head. If you look closely at the nostril in front of the eye, you can see part of the inner olfactory organ known as the spiracle. This organ allows these fish to smell the smallest trace of any scent in the water from quite a ways off. These fish also have a very complex system of sensors on along their rostrum (nose) that help them sense vibrations in the water. This fish was sampled from one of our hoopnets in the Kootenai River, British Columbia.
The white sturgeon , also known as the Pacific sturgeon, Oregon sturgeon, Columbia sturgeon, Sacramento sturgeon, and California white sturgeon, is a sturgeon which lives along the west coast of North America from the Aleutian Islands to Central California.
It is the largest freshwater fish in North America and is the third largest species of sturgeon, after the Beluga and the Kaluga. The white sturgeon is known to reach a maximum size of 816 kg and 6.1 m .
The largest.. more
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