This week we continued to see a variety of phytoplankton species present in samples from the inner and outer bay. Dactyliosolen sp. dominated several sites in outer Kachemak Bay and Chaetoceros spp. were blooming in Halibut Cove. Chaetoceros spp. have spines that can clog gills in fishes. This can be problematic for fishes held in net pens when they are unable to swim away from a bloom, however Chaetoceros spp. do not produce any toxins.
Additional information, including qualitative analysis of phytoplankton data, is available in the Phytoplankton Update for July 23rd – July 29th.