Blue star vs doubletoothed hydroid

Amsonia orientalis compared with Obelia bidentata

Key Differences

• Blue star is Critically Endangered while doubletoothed hydroid is Not Evaluated.

Taxonomic Classification

Rank	Blue star	doubletoothed hydroid
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Cnidaria (Cnidarians)
Class	Magnoliopsida (Dicots)	Hydrozoa (Hydrozoa)
Order	Gentianales (Gentianales)	Leptothecata (Leptothecata)
Family	Apocynaceae	Campanulariidae
Genus	Amsonia	Obelia
Species	Amsonia orientalis	Obelia bidentata

Conservation Status

Blue star

CR — Critically Endangered

doubletoothed hydroid

NE — Not Evaluated

Physical Characteristics

Attribute	Blue star	doubletoothed hydroid
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue star

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

doubletoothed hydroid

Habitat

Native to Africa and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Argentina, Belgium, Brazil, Portugal, and South Africa.

Blue star

The Blue star (Amsonia orientalis) is a species in the genus Amsonia. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.