Humans have developed an untold number of ways to catch fish, but no matter how many traps, electrofishers, snorkel surveys, and even good ol’ fashioned fishing poles a fisheries biologist may employ, these sampling methods never guarantee the capture of every individual. This can make it difficult to obtain a complete assessment of a fish community. But while fish may evade fykes, hooks, and nets, they still leave telltale traces in the environment in the form of DNA.
This Flashback Friday, find out the full extent of damage that invasive aquatic plants can cause in freshwater ecosystems like the Sacramento-San Joaquin Delta. Weeds may be annoying to gardeners, […]
The Pacific coast is well known for its anadromous salmon and steelhead, but there is a far more ancient group of unique migratory fishes that are also found in this region.
