San Joaquin Shad
We sometimes get asked whether American shad live in the San Joaquin River basin. The answer is – Yes! Although the American shad (Alosa sappadissma) is native Read More…
reproduction
Spawn of the Living Dead
As October draws to a close, most of us have spent the past few weeks surrounded by images of Halloween monsters. Whether flipping past TV horror movies Read More…
All Boys Club
Can skewing sex ratios of invasive fish save salmonids? Last year we wrote a Fish Report about a predator-control method being developed by Idaho’s Department of Fish Read More…
Large Salmon Getting Smaller, Old Salmon Getting Younger
Those who fished for salmon decades ago often lament the bygone “good old days” of abundant, large fish. As it turns out, there is some truth to Read More…
Left High and Dry: Hydropeaking Effects on Aquatic Insects in Regulated Rivers
Dramatic rising and falling of water levels is a common experience for sea stars, mussels, and other marine invertebrates adapted to life on the rocky coast – Read More…
Before They Hatch
When salmon build nests (redds) on top of each other, called superimposition, this can affect both individual salmon and salmon populations as a whole, as we described Read More…
Test tube coral babies
Scientists working to save coral reefs might dream of growing rare corals in a laboratory, then transplanting them to damaged reefs as a way to restore the Read More…
A newsworthy birth
Giving birth is a common event in the animal world, but it can be very rare for scientists to actually observe in the wild, especially for ocean-dwelling Read More…
Three to Tango
When love is in the air for Sierra newts (Taricha sierrae), these otherwise land-dwelling amphibians know it's time to hit the water. After adult newts reach about Read More…
All in or not?
Success for a Chinook salmon is defined as successfully spawning once, then dying – a reproduction strategy known as semelparity. Most do not meet this goal of Read More…