Brachysira – Diatom
Plankton Tow: Cadboro Bay, Victoria, British Columbia, September 18, 2019
Photo: Zoe Jennings
Hermit Crab Megalops (Pagurus sp.)
Plankton Tow: Cadboro Bay, Victoria, British Columbia, September 18, 2019
Photo: Sophie and Nele
Thalassiosira – Diatom
Plankton Tow: Cadboro Bay, Victoria, British Columbia, September 18, 2019
Photo: Riyanna
Chaetoceros – Diatom
Plankton Tow: Cadboro Bay, Victoria, British Columbia, September 18, 2019
Photo: Chloe Stone
Hermit Crab Zoea
Photo – Darian Yap
Plankton tow:
September 18, 2019
Cadboro Bay, Victoria, British Columbia
Leuckartiara spp. Author: D. Young Common Name: A member in the family Pandeidae within the order Anthomedusae of the subclass Hydromedusae. Scientific Name: Leuckartiara spp. Total Length of Specimen in photo is 3cm (30mm).
Coscinodiscus wailesii
Author: Micaela Day
Photos: Zoe Jennings and D. Young
Common Name: Diatom
Size: Diameter is between 300um and 500um
Brief Description: This phytoplankton is apart of the Biddulphiales order and is typically considered as one of the largest marine planktonic diatom genera.
The photo below is the girdle view, viewed from the side of the diatom.
Habitat: It is commonly found in the both the Pacifc Ocean and Atlantic Ocean. It is thought to be an introduced species to the Atlantic Ocean. It’s ability to survive long periods in the dark suggests that it may have been introduced to the Atlantic through the emptying of ballast water from ships.
Identifying Features: Cells are solitary, and either disc-shaped, cylindrical or wedge shaped. They have numerous chloroplasts.
References:
Kudela Lab (date unknown) Genus: Coscinodiscus | Diatom. Phytoplankton Identification Retrieved November 16, 2018 from http://oceandatacenter.ucsc.edu/PhytoGallery/Diatoms/Coscinodiscus.html
Hargraves, PE. (June 14, 2011) Indian river lagoon species inventory. Smithsonian Marine Station at Fort Pierce. Retrieved November 16, 2018 from https://www.sms.si.edu/irlspec/Coscin_wailes.htm
Nanomia bijuga Common Names: Siphonophore Scientific Name: Nanomia bijuga Size Range: Up to 30cm in total length Nanomia bijuga belongs to the order Physonecta within the subclass Siphonophorae within the class Hydrozoa. It is a predator that represents a colony of many genetically identical individuals called zooids that make up the whole. It has a pigmented gas filled float called a pneumatophore at its tip. Please come back – more information will be posted soon on this fascinating siphonophore! Photos and video by D. Young