Giant Otter vs

Pteronura brasiliensis compared with Sphacelaria tribuloides

Key Differences

• Giant Otter is Endangered while is Not Evaluated.

Taxonomic Classification

Rank	Giant Otter
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Phaeophyceae (Phaeophyceae)
Order	Carnivora (Carnivorans)	Sphacelariales (Sphacelariales)
Family	Mustelidae (Weasels & Otters)	Sphacelariaceae
Genus	Pteronura	Sphacelaria
Species	Pteronura brasiliensis	Sphacelaria tribuloides

Conservation Status

Giant Otter

EN — Endangered

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

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.

Habitat

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

Range

Distributed across Brazil, Denmark, Norway, Portugal, and Taiwan.

Sphacelaria tribuloides is a small, tufted brown alga forming compact cushion-like colonies on rocky substrates and larger algae. It inhabits intertidal and shallow subtidal rocky zones in temperate and tropical seas worldwide. This photosynthetic alga reproduces via characteristic star-shaped propagules and colonizes rocky marine surfaces.