Capitulum mitella

Capitulum mitella is a stalked barnacle that appears like protruding teeth in crevices low on wave-swept rocky shores throughout the Indo-Pacific region.

Species detail

The stalked barnacle is eaten as a seafood delicacy in Japan and China. Read on to get a flavour of the barnacle’s lifestyle.

  • Capitulum mitella
    Morphology

    Learn about the form and structure of Capitulum mitellum.

  • Capitulum mitella on a rocky shore
    Habitat

    This stalked barnacle favours fast flowing water on rocky shores where it feeds off passing zooplankton.

  • Capitulum mitella
    Reproduction and life history

    Find out about this hermaphrodite’s reproductive cycle.

  • Capitulum mitella
    Behaviour

    Capitulum mitella is a suspension feeder of zooplankton. Find out more about the behaviour and feeding patterns of this species.

  • Capitulum mitella
    Associations

    Find out what species Capitulum mitella has associations with and how it benefits from these associations.

Images

Capitulum mitella

Capitulum mitella

Capitulum mitella

The appearance of Capitulum mitella on a rocky shore is reminiscent of protruding teeth.

Capitulum mitella

Capitulum mitella often occur in small clumps, particularly protruding from crevices on otherwise smooth rocky surfaces.

Capitulum mitella

Capitulum mitella

Capitulum mitella

Capitulum mitella

About the author
Sam Luoma and Phil Rainbow in Restronguet Creek
Prof Phil Rainbow

Retired; former Head of the Life Sciences Department, focusing on the biology of trace metals in aquatic invertebrates.

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Glossary
Hermaphrodite

An animal that has reproductive organs of both males and females of the species, and can act as ‘male’ or ‘female’ in the reproductive process.

Nauplius

First stage larvae of crustaceans.

Phytoplankton

Tiny water dwelling plants.

Lower eulittoral zone

An area of shoreline that ranges from the high water mark to areas that are permanently submerged.

Sessile

Permanently attached and not free to move.