Challenger skate vs koala

Bathyraja isotrachys compared with Phascolarctos cinereus

Key Differences

Challenger skate is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Challenger skate	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Elasmobranchii	Mammalia (mamíferos)
Order	Rajiformes (Rajiformes)	Diprotodontia (Marsupials)
Family	Arhynchobatidae	Phascolarctidae (Koalas)
Genus	Bathyraja	Phascolarctos (Koalas)
Species	Bathyraja isotrachys	Phascolarctos cinereus

Evolutionary Relationship

Challenger skate and koala share a common ancestor at the Phylum level: Chordata. (cordados)

View Phylum: Chordata

Conservation Status

Challenger skate

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Challenger skate	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Challenger skate

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

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.

Challenger skate

The Challenger skate (Bathyraja isotrachys) is a species in the genus Bathyraja. It is currently classified as Least Concern on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

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.