Viola-barba-negra vs koala

Glaucostegus cemiculus compared with Phascolarctos cinereus

Key Differences

• Viola-barba-negra is Critically Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	Viola-barba-negra	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Elasmobranchii	Mammalia (mamíferos)
Order	Rhinopristiformes (Rhinopristiformes)	Diprotodontia (Marsupials)
Family	Glaucostegidae	Phascolarctidae (Koalas)
Genus	Glaucostegus	Phascolarctos (Koalas)
Species	Glaucostegus cemiculus	Phascolarctos cinereus

Evolutionary Relationship

Viola-barba-negra and koala share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Viola-barba-negra

CR — Critically Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Viola-barba-negra	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Viola-barba-negra

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

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.

Viola-barba-negra

The Blackchin guitarfish (Glaucostegus cemiculus) is a species in the genus Glaucostegus. It is currently classified as Critically Endangered on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region. Found in Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.