Too Hot for Company: Warm Temperatures Break up Smelt Shoals
For little fish on the menu of countless hungry predators, staying alive often means seeking refuge in the company of their own kind. When prey species form Read More…
delta smelt
Fish Food for Food Fish: More California Fish Introductions
Once the introduction of non-native fishes began in California, both for food and for sport, it didn’t take long for managers to decide they needed to augment Read More…
Navigating the Complex Intersections of the Bay-Delta
The Sacramento-San Joaquin Delta and the estuary it flows into are well known for being a maze of intersecting channels, sloughs, and bays. However, the complicated geography Read More…
Less Muddy Waters: Declining Wind Speed and Turbidity in the Delta
Climate change is affecting the environment in many ways, including raising sea levels, increasing ocean temperatures and acidification, and increasing air temperatures. But less well known is Read More…
Spotting Patterns in Fish Freckles
Some researchers spend so much time with the species they study that they eventually begin to recognize individual animals by their physical traits or unique “personality” quirks. Read More…
Hatchery Delta Smelt: Hope for the Species?
The beleaguered delta smelt continues to decline in California, leading some experts to believe it will soon be extinct in the wild. Meanwhile, scientists have successfully cultured Read More…
Peer Review for the California WaterFix
Winter storms have dumped copious amounts of precipitation over much of California in the last month, causing several reservoirs to operate under flood control conditions. Recent events, Read More…
A Happy Accident: Restoration at Liberty Island
Habitat restoration is a big undertaking in California’s highly modified Sacramento-San Joaquin Delta, with many projects taking years, if not decades, to plan and implement before seeing Read More…
Delta Smelt: Where Do We Go From Here?
The endangered delta smelt (Hypomesus transpacificus) lies squarely in the middle of a heated debate over the current state of California’s Sacramento–San Joaquin Delta and how its Read More…
The uncertain future of the Delta Smelt
The lowest ever recorded index of abundance for delta smelt (Hypomesus transpacificus) was reported earlier this year in the results from the 2014 California Department of Fish Read More…