giant acorn barnacle

Balanus est un genre d'arthropodes du sous-embranchement des crustacés.

Balanus nubilus, commonly called the giant acorn barnacle, is the world's largest barnacle, reaching a diameter of 15 cm (6 in) and a height of up to 30 cm (12 in), and containing the largest known muscle fibres. Classification Balanus nubilus was named by Charles Darwin, who described its appearance and noted its habitat. He wrote that the barnacles were found on rotting wood and were associated with Balanus glandula.

Balanus es un género de crustáceos cirrípedos de la familia Balanidae, conocidos vulgarmente como bellotas de mar. Descripción Muestra una relación de inquilinismo siempre en zonas costeras a poca profundidad. Aunque puede estar esporádicamente fuera del agua.