Invertebrates > Hydrozoans
Overview AT A GLANCE Common Name: By-the-wind Sailor Scientific Name: Velella velella Category: Invertebrates Subcategory: Hydrozoans Size: Float length: 5-8 cm (2-3.1 in); Sail height: 2-4 cm (0.8-1.6 in) Weight: 3-10 g (0.1-0.35 oz) Lifespan: Several months to 1...
