Invertebrates > Hydrozoans
AT A GLANCECommon Name: Rocket SiphonophoreScientific Name: Diphyes disparCategory: InvertebratesSubcategory: HydrozoansSize: Anterior nectophore: 1.0–2.5 in (2.5–6.5 cm); Stem length: 6–20 in (15–50 cm)Weight: Colonial biomass: 0.1–0.5 oz (3–15 g)Lifespan: Ephemeral...
Invertebrates > Hydrozoans
AT A GLANCECommon Name: Blue ButtonScientific Name: Porpita porpitaCategory: InvertebratesSubcategory: HydrozoansSize: Central disc diameter: 1.0–1.5 in (2.5–3.8 cm); Total diameter with tentacles: 2.5–4.0 in (6–10 cm)Weight: 0.1–0.4 oz (3–11 g)Lifespan: Estimated...
Invertebrates > Siphonophores
AT A GLANCECommon Name: Portuguese Man o’ WarScientific Name: Physalia physalisCategory: InvertebratesSubcategory: SiphonophoresSize: Pneumatophore (float) length: 4–12 in (10–30 cm); Tentacle length: 30–100+ ft (9–30 m); exceptional tentacles documented up to...