One fish, two forms, many questions

Genetically they are the same species, but rainbow trout and steelhead lead very different lives. These fish represent two separate life strategies of the species Oncorhynchus mykiss: Read More…

One of many, one of a kind

Northern California’s Deer Creek may have a common name, but as a habitat for fish it is far from ordinary. According to the U.S. Geologic Survey, more Read More…

Dog days of summer snorkel surveys

If you happen to come across this group of oddly dressed individuals floating face down in the river, don’t be alarmed. It’s just our annual summer abundance Read More…

The status of steelhead

Every juvenile rainbow trout (Oncorhynchus mykiss) living in California’s Central Valley has in its genetic makeup the ability to out-migrate to the Pacific Ocean and become a Read More…

Taking stock of Big Chico Creek

In early August, FISHBIO completed our first snorkel survey in the Big Chico Creek watershed. Specifically, we surveyed the 4.5-mile reach of the creek within the boundaries Read More…

What’s in a name?

Scientists have been describing, naming, and cataloging fishes for hundreds of years. An important part of this process is assigning each fish a distinct scientific name for Read More…

Fat little trout

Our pudgy buddy here illustrates the benefits of being an opportunistic feeder. As wise fishermen know, trout often aggressively pursue whatever prey is readily available at the Read More…

Wild trout water

As you may know from our recent posts (Summer Surveys and Alpine Snorkeling), we regularly conduct trout surveys on streams in the western U.S. Snorkel surveys are Read More…

Trout food?

Potentially. This caterpillar (Arctia caja) resembles a woolly bugger, an artificial fly that is widely used by trout anglers because it resembles many of the edible insects Read More…