Monitoring steelhead trout along Steven's Creek

Monitoring steelhead trout along Steven's Creek Photo credit: stevenscreektrail.org On my bike ride today I came across a team from Fishbio.com installing an RFID counter on Steven's Creek and it piqued my interest. A super helpful engineer explained that they were replacing the RFID on behalf of Santa Clara Valley Water Authority to count the migrating steelhead trouts. I decided to do my own research and here's what I found ... Credit: stevenscreektrail.org Central California Coast steelhead trout (Oncorhynchus mykiss), larger and more silvery in colour, are a type of rainbow trout native to the South Bay that spawns in fresh water and at age two swim to the Ocean. To complete their life cycle they journey up the creek to spawn once again - that's if there is water in the creek. The lifespan can be 10 years under favorable conditions meaning the adults can potentially make many trips in their lifetime. Until 1935, steelhead trout from San Francisco Bay journeye...