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Five-ribbed Kelp

Costaria costata

Description:

A brown kelp with blades that have 5 parallel ribs running its length. Three ribs project on one side of the blade and 2 ribs on the other. Between the ribs the blade is profusely wrinkled or puckered. This blade was about 2 ft (61 cm) long. It can grow to over 6 ft.

Habitat:

Spotted in a tide pool at Tongue Point.

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2 Comments

Brian38
Brian38 a year ago

Thank you Neil.

Neil Ross
Neil Ross a year ago

Cool. Looks like a big, flat slug. Amazing spotting, Brian.

Brian38
Spotted by
Brian38

Washington, USA

Spotted on Apr 20, 2019
Submitted on May 1, 2019

Nearby Spottings

Sea Brush Northern clingfish Wrinkled dove snail California Spiny Chiton

Reference

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