Carriker’s Speckled Tree-rat vs European otter

Pattonomys carrikeri compared with Lutra lutra

Key Differences

• Carriker’s Speckled Tree-rat is Data Deficient while European otter is Vulnerable.

Taxonomic Classification

Rank	Carriker’s Speckled Tree-rat	European otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Rodentia (Roedores)	Carnivora (carnívoros)
Family	Echimyidae	Mustelidae (Weasels & Otters)
Genus	Pattonomys	Lutra (Otters)
Species	Pattonomys carrikeri	Lutra lutra

Evolutionary Relationship

Carriker’s Speckled Tree-rat and European otter share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Carriker’s Speckled Tree-rat

DD — Data Deficient

European otter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Carriker’s Speckled Tree-rat	European otter
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

Habitat & Geographic Range

Carriker’s Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

European otter

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Carriker’s Speckled Tree-rat

The Carriker’s Speckled Tree-rat (Pattonomys carrikeri) is a species in the genus Pattonomys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

European otter

Mustelídeo semiacuático de corpo esguio encontrado ao longo de rios limpos, riachos e costas da Europa e Ásia. A lontra-europeia (Lutra lutra) pode atingir 1,3 metros de comprimento e é uma caçadora de peixes altamente habilidosa, usando bigodes sensíveis para detectar os movimentos de suas presas. Necessitando de água não poluída com abundância de peixes, é uma espécie indicadora da saúde dos ecossistemas de água doce. Quase extinta na Europa Ocidental devido à caça e à poluição, as populações se recuperaram significativamente após melhorias na qualidade da água.