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Common Hydra
Hydra vulgaris
Classification
- Class
- Hydrozoa
- Order
- Anthoathecata
- Family
- Hydridae
Hydra vulgaris, the fresh-water polyp, is a small freshwater hydroid with length from 10 mm to 30 mm and width about 1 mm. Description The hydra have four to twelve tentacles that protrude from just outside the mouth. They feed by extending their tentacles and waiting for food to touch the tentacles.
Hydra vulgaris est une espèce d'hydre d'eau douce de petite taille (12 mm).
La hidra parda (Hydra americana) es una especie de hidrozoo de la familia Hydridae propia de Norteamérica. Referencias Cairns, SD, DR Calder, A Brinckmann-Voss, CB Castro, DG Fautin. 2002.
Distribution
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Countries in the Picchu catalog