Red-striped Acorn Barnacle

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Paraconcavus pacificus

Red-striped Acorn Barnacle, a reference photo
Photo: psweet Depicted place: Monterey County, CA, USA (36°48′39″N 121°47′26″W / 36.8109339401°N 121.7906570435°W / 36.8109339401; -121.7906570435) · CC BY-SA 4.0 (licence)

Paraconcavus pacificus, the red-striped acorn barnacle, is a species of balanid barnacle known from subtidal sandy habitats of the outer northeastern Pacific coast, from Baja California north to Monterey Bay. It grows to 35 mm in diameter, with pink longitudinal stripes over white plates, and can be distinguished from other large, pink-striped barnacles in its range (e.g. Amphibalanus amphitrite) by the longitudinal striations across the growth rings of its plates. While it will attach to many different kinds of hard substrate, it shows a preference for attaching to the shells of other organisms, particularly sand dollars.

From Wikipedia, under CC BY-SA 4.0.

Is it venomous or poisonous?

We have no record of Red-striped Acorn Barnacle being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Hexanauplia
Order
Balanomorpha
Family
Balanidae
Genus
Paraconcavus
Species
Paraconcavus pacificus

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