Sub-Arctic invertebrates

The planarian Polycelis coronata borealis

The planarian Polycelis coronata borealis is commonly found living on the underside of rocks in Alaska salmon streams. Photgraphed in situ during winter.

The planarian Polycelis coronata borealis

The multi-eyed planarian Polycelis coronata borealis can be found living under rocks in salmon streams. Aspect Ratio = 4:5.

Orange Sea Pen

Orange Sea Pen (Ptilosarcus gurneyi).

Christmas Anemone

Christmas Anemone (Urticina crassicornis). The Christmas anemone has a circumpolar marine distribution from the lower inter-tidal zone to depths of 30 meters. Photographed underwater in British Columbia. Phylum Cnidaria, Class Anthozoa, Subclass Zoantharia, Order Actiniaria, Suborder Nynantheae, Family Actiniidae

Giant California Sea Cucumber

Giant California Sea Cucumber (Parastichopus californicus).

The Rose Anemone

The Rose Anemone (Urticina piscivora) photographed underwater in Barkley Sound, British Columbia, Canada.

Christmas Anemone (Urticina crassicornis)

Christmas Anemone (Urticina crassicornis). The Christmas anemone has a circumpolar marine distribution from the lower inter-tidal zone to depths of 30 meters. Photographed underwater in British Columbia. Phylum Cnidaria, Class Anthozoa, Subclass Zoantharia, Order Actiniaria, Suborder Nynantheae, Family Actiniidae

Christmas Anemone (Urticina crassicornis)

Christmas Anemone (Urticina crassicornis). The Christmas anemone has a circumpolar marine distribution from the lower inter-tidal zone to depths of 30 meters. Photographed underwater in British Columbia. Phylum Cnidaria, Class Anthozoa, Subclass Zoantharia, Order Actiniaria, Suborder Nynantheae, Family Actiniidae

Christmas Anemone (Urticina crassicornis)

Christmas Anemone (Urticina crassicornis). The Christmas anemone has a circumpolar marine distribution from the lower inter-tidal zone to depths of 30 meters. Photographed underwater in British Columbia. Phylum Cnidaria, Class Anthozoa, Subclass Zoantharia, Order Actiniaria, Suborder Nynantheae, Family Actiniidae

Christmas Anemone (Urticina crassicornis)

Christmas Anemone (Urticina crassicornis). The Christmas anemone has a circumpolar marine distribution from the lower inter-tidal zone to depths of 30 meters. Photographed underwater in British Columbia. Phylum Cnidaria, Class Anthozoa, Subclass Zoantharia, Order Actiniaria, Suborder Nynantheae, Family Actiniidae

Orange Zooanthid

Orange Zooanthid (Epizoanthus scotinus).

Common Feather Star

Common Feather Star (Florometra serratissima). Aspect Ratio = 2:3.

Tube-Dwelling Anemone

Tube-Dwelling Anemone (Pachycerianthus fimbriatus).

Leather Star

Leather Star (Dermasterias imbricata). Aspect Ratio = 1:2.

Leather Star

Leather Star (Dermasterias imbricata). Aspect Ratio = 1:2.

Puget Sound King Crab

The Puget Sound King Crab (Lopholithodes mandtii) is quite colorful.

Puget Sound King Crab

The Puget Sound King Crab (Lopholithodes mandtii) is quite colorful. This species is related to the king crabs (same family, the Lithodid crabs) that are commercially harvested and hermit crabs (all are the same infraorder, the Anomuran Decapod Crustaceans).

Puget Sound King Crab

The Puget Sound King Crab (Lopholithodes mandtii) is quite colorful.

Puget Sound King Crab

The Puget Sound King Crab (Lopholithodes mandtii) is quite colorful.

Common Feather Star

Common Feather Star (Florometra serratissima).

Striped Sun Star amd Blackeye Goby

Striped Sun Star (Solaster stimpsoni) and Blackeye Goby (Rhinogobiops nicholsii).

Sunflower Sea Star (Pycnopodia helianthoides).

Sunflower Sea Star (Pycnopodia helianthoides). The sunflower sea star is a common sea star that is distributed from the Aleutian Islands to San Diego, California and found from the inter-tidal to depths of 400m. Photographed underwater in British Columbia. Phylum Echinodermata, Class Asteroidea, Order Forcipulatida, Suborder Asteriadina, Family Asteriidae

Three Sea Cucumbers and a Star

Three Giant California Sea Cucumbers (Parastichpus californicus) and a Rose Star (Crossaster paposus).