Hello from 200 nm Off Newport

May 01, 2019

By Jennifer Fisher

We are currently 150 miles off Newport, sampling aboard the NOAA ship Bell M. Shimada. 

Satellite image of surface chlorophyll. You can clearly see the Columbia River plume and other bloom areas off Washington and southern Oregon. As we transit through these areas, we will update you on what we find.  Photo: NOAA Fisheries

Initial observations so far are that our nets were full of crab larvae at the inner most station 1 mile off the beach at Newport. As we moved farther offshore, the water became more clear and blue and now our nets are filled with a charismatic copepod, Neocalanus. This copepod is preferred prey for Sablefish.

Lot's of crab larvae collected 1 nm off Newport. These are Fabia subquadrata- a pea crab that lives commen sally in the mantle of bivalves. Photo: NOAA Fisheries
 

Close-up of the copepod Neocalanus. They are the coepods with the long red antennae. Photo: NOAA Fisheries

We haven't seen any pyrosomes yet, something very different compared to our sampling at this time last year when our nets were filled with them. While some species of harmful algae (Pseudonitzchia) have been present in our samples, they have not been in high densities.

Two plankton samples collected 1 and 150 miles offshore. The sample on the left was collected 1 mile off Newport. It is 95% crab larvae (pea crabs that live commensally in bivalves). The sample on the right was collected 150 miles offshore- the pink is from Doliolids (salps) and the charismatic copepod Neocalanus. Photo: NOAA Fisheries

Previous: Smells like Spring Transition Next: Small but Mighty

Meet the Blogger

Last updated by Northwest Fisheries Science Center on March 02, 2020