(Ingdalen - The Trondheim
fjord /
3 meters / 8.05.2001)
Phylum: Arthropoda
Class: Crustacea
Subclass: Cirripedia
Order: Thoracica
Family: Balanidae
Scientific name: Balanus crenatus
Norwegian: skipsrur
Characteristics: It is easily recognized by the bright white color. The diameter rarely exceeds 2 cm and the height 4 cm. The shape is conical or almost cylindrical in crowded populations. The barnacle is unable to close the lids (carina) entirely, due to the slightly concave profile towards the tip.
All pictures:
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