Giant Otter vs Gray-taek Crab

Pteronura brasiliensis compared with Geothelphusa cinerea

Key Differences

• Giant Otter is Endangered while Gray-taek Crab is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Gray-taek Crab
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Malacostraca (Crustaceans)
Order	Carnivora (Carnivorans)	Decapoda (Decapoda)
Family	Mustelidae (Weasels & Otters)	Potamidae
Genus	Pteronura	Geothelphusa
Species	Pteronura brasiliensis	Geothelphusa cinerea

Evolutionary Relationship

Giant Otter and Gray-taek Crab share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Giant Otter

EN — Endangered

Gray-taek Crab

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Gray-taek Crab
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.

Gray-taek Crab

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Taiwan.