Pennaria

1 species

Pennaria is a genus of hydrozoans. It is the only genus within the monotypic family Pennariidae.

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Pennaria is a genus of hydrozoans. It is the only genus within the monotypic family Pennariidae.

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Pennaria disticha

Pennaria disticha, also known as the Christmas tree hydroid, is a species of athecate hydroid in the family Pennariidae. Colonies are common in the Mediterranean Sea growing on rocks close to the surface. This species has been used in research into...