Fish camo
Sculpin have ability to blend in with their surroundings, which is useful to elude predators and ambush prey. This prickly sculpin Cottus asper was recently photographed while Read More…
study
Geeks rule
One study on coho salmon found that 75% of jacks passed on their genes, whereas only 58% of older, larger males were successful at reproducing. During mating, Read More…
Feed me!
At first glance, this small rainbow trout looks a little out of place hanging out with adult spawning Chinook. The trout can be seen staying close to Read More…
A season ending fish!
Although we'd love to tell a story about how this hog fell to a perfectly placed dry-fly in the last days of the general trout season, unfortunately, Read More…
No bankers hours here
Fishery biologists often work odd hours, as is the case with this reservoir fish population assessment. Many fish species are more active during dawn and dusk periods, Read More…
Mobile tracking acoustically tagged fish in the Delta
The 2009 VAMP program is a cooperative effort between a large group of state, federal, and private biologists. Fish are tracked at key fixed-station locations in the Read More…
HORB at the Old River and San Joaquin conluence
This year's VAMP study includes the test of a barrier that includes sound, light, and bubbles to keep fish from entering Old River. Tests show that juvenile Read More…