Caligus sp.

Caligus sp.

Common Name: Sea louse (sea lice) Scientific name: Caligus spp. This is a genus of parasitic arthropods (copepod) that are ectoparasites that feed upon mucous secretions and epidermal tissues of host fishes.   Plankton tow:  Cadboro Bay, Victoria, British Columbia,...
Brachyura Zoea

Brachyura Zoea

Brachyura (True Crab) Zoea Author: Rachel Walker This is likely the zoea of a Dungeness Crab (Metacarcinus magister) Plankton tow:  Cadboro Bay, Victoria, British Columbia Illustration by Spencer...
Cyprid Larva

Cyprid Larva

Cyprid Larva (Barnacle Larva) Author: Judah This is the last planktonic larval stage of a barnacle before it becomes permanently anchored as an adult to a substrate. February 19, 2013 Plankton Tow – Cadboro bay, Victoria BC...
Nauplius Larva

Nauplius Larva

Barnacle Larva  (Nauplius Larva) Author: Alondra The nauplius larva is the first swimming larval stage of a barnacle.  After this stage it changes into a cyprid larval stage and then anchors itself onto a substrate as it develops into an adult barnacle. February 19,...