Grainy Hermit Crab

Grainy Hermit Crab

by | Aug 1, 2026 | Arthropods

Grainy Hermit Crab Author:  Farren H.  Scientific Name: Pagurus granosimanus Common Name: Grainy Hermit Crab, Grainyhand Hermit Crab Size Range: Up to 4cm (1.6in) Identifying Features: The most distinct feature of the Grainy Hermit Crab is that it has small blue bumps...
Red Rock Crab

Red Rock Crab

by | Jan 16, 2025 | Arthropods

Red Rock Crab Author:  Jhadel Lewis Scientific name:  Cancer productus Size range:  Males up to 200mm (7.8in), Females up to 168mm (6.6in) Identifying Features:  These types of crabs are usually medium sized, with adults varying anywhere between 100-200mm wide. They...
Caligus sp.

Caligus sp.

by | Dec 21, 2024 | Arthropods, Plankton

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,...
Purple Shore Crab

Purple Shore Crab

by | Jul 30, 2024 | Arthropods

Purple Shore Crab Scientific name:  Hemigrapsus nudus Author: George Sleen Photos: George Sleen and D. Young Length: Male adult purple shore crabs typically grow to a width of 2.2 inches while females will grow to around 1.3 inches across Identification:  The purple...
Yellow Shore Crab

Yellow Shore Crab

by | Jul 29, 2024 | Arthropods

Yellow Shore Crab Common names:  Yellow Shore Crab, Green Shore Crab, Hairy Shore Crab, Bay Shore Crab, Mud-flat Crab Scientific name:  Hemigrapsus oregonensis Author:  Noah Stewart Photos by D. Young Identifying features:   The yellow shore crab is characterized by...