bell hydroid vs sea thread hydroid

Obelia geniculata compared with Obelia dichotoma

Taxonomic Classification

Rank	bell hydroid	sea thread hydroid
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Cnidaria (ไนดาเรีย)	Cnidaria (ไนดาเรีย)
Class same	Hydrozoa (ไฮโดรซัว)	Hydrozoa (ไฮโดรซัว)
Order same	Leptothecata (Leptothecata)	Leptothecata (Leptothecata)
Family same	Campanulariidae	Campanulariidae
Genus same	Obelia	Obelia
Species	Obelia geniculata	Obelia dichotoma

Evolutionary Relationship

bell hydroid and sea thread hydroid share a common ancestor at the Genus level: Obelia.

Conservation Status

bell hydroid

NE — Not Evaluated

sea thread hydroid

NE — Not Evaluated

Physical Characteristics

Attribute	bell hydroid	sea thread hydroid
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

bell hydroid

Habitat

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

Range

Widely distributed across Africa (South Africa), Europe (4 countries), North America (United States), Oceania and the Pacific (New Zealand), and South America (Chile).

sea thread hydroid

Habitat

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

Range

Widely distributed across Africa (South Africa), Europe (5 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia), and South America (Argentina, Chile).

bell hydroid

The Bell hydroid (Obelia geniculata) is a species in the genus Obelia. Native to Africa and Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇨🇱 Chile 🇩🇰 Denmark 🇳🇴 Norway 🇿🇦 South Africa 🇸🇪 Sweden 🇺🇸 United States