Coccotylus truncatus

Arctic false Opuntiella

Authority: (Pallas) M.J.Wynne & J.N.Heine

Thallus is a deep red, often with marginal bladelets, tapering to a short stipe and small, discoidal holdfast. Thallus can reach 23 cm (9 in) tall and 35 cm (14 in) wide but is usually <10 cm (4 in).

Habitat

This perennial grows on rock, shell, other algae, and debris in the subtidal or protected to exposed habitats.

North Pacific Distribution

Arctic Ocean, Bering Sea and Aleutian Islands, Alaska to Vancouver Island, British Columbia.

Former scientific names

Fucus truncatus, Phyllophora truncata

Similar taxa

Opuntiella californica has thicker and rounder blades.

References

AlgaeBase (opens in a new tab)

Last updated December 26, 2010