vs Giant Otter

Calothrix parasitica compared with Pteronura brasiliensis

Key Differences

• is Not Evaluated while Giant Otter is Endangered.

Taxonomic Classification

Rank		Giant Otter
Kingdom	Bacteria (Bacteria)	Animalia (Animals)
Phylum	Cyanobacteria (Cyanobacteria)	Chordata (Chordates)
Class	Cyanobacteriia	Mammalia (Mammals)
Order	Cyanobacteriales	Carnivora (Carnivorans)
Family	Nostocaceae	Mustelidae (Weasels & Otters)
Genus	Calothrix	Pteronura
Species	Calothrix parasitica	Pteronura brasiliensis

Conservation Status

NE — Not Evaluated

Giant Otter

EN — Endangered

Physical Characteristics

Attribute		Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Sweden.

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Calothrix parasitica is a heterocystous cyanobacterium in the family Rivulariaceae, characterized by tapering filaments with a basal heterocyst for nitrogen fixation. It grows epiphytically on other algae, macrophytes, or in biofilms on rocky substrates in freshwater and marine environments. The genus Calothrix is widespread in aquatic and terrestrial habitats where it plays a role in nitrogen input to ecosystems.