brown hydra vs koala

Hydra oligactis compared with Phascolarctos cinereus

Key Differences

• brown hydra is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	brown hydra	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Cnidaria (cnidários)	Chordata (cordados)
Class	Hydrozoa (Hydrozoa)	Mammalia (mamíferos)
Order	Anthoathecata (Anthoathecata)	Diprotodontia (Marsupials)
Family	Hydridae	Phascolarctidae (Koalas)
Genus	Hydra	Phascolarctos (Koalas)
Species	Hydra oligactis	Phascolarctos cinereus

Evolutionary Relationship

brown hydra and koala share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brown hydra

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	brown hydra	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

brown hydra

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

brown hydra

The Brown Hydra (Hydra oligactis) is a species in the genus Hydra. Native to Europe, inhabiting ecosystems characteristic of the region. Distributed across Denmark, Norway, and Sweden. As a member of the Hydra genus, this species contributes to biodiversity in its native range.

koala

Icônico marsupial do leste e sudeste da Austrália, os coalas pesam até 15 kg e passam até 22 horas diárias dormindo para conservar energia de sua dieta de folhas de eucalipto, com baixo teor calórico. Altamente especializados para processar os compostos tóxicos do eucalipto que matariam a maioria dos outros mamíferos, possuem microbiomas intestinais unicamente adaptados para a destoxificação. Classificado como Em Perigo em 2022, com populações dizimadas pela doença de clamídia, desmatamento e mudanças climáticas.