Ghost shark vs pato-de-laysan

Hydrolagus mitsukurii compared with Anas laysanensis

Key Differences

• Ghost shark is Near Threatened while pato-de-laysan is Critically Endangered.

Taxonomic Classification

Rank	Ghost shark	pato-de-laysan
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Holocephali (Holocephali)	Aves (ave)
Order	Chimaeriformes (Chimaeriformes)	Anseriformes (Anseriformes)
Family	Chimaeridae	Anatidae
Genus	Hydrolagus	Anas
Species	Hydrolagus mitsukurii	Anas laysanensis

Evolutionary Relationship

Ghost shark and pato-de-laysan share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Ghost shark

NT — Near Threatened

pato-de-laysan

CR — Critically Endangered

Physical Characteristics

Attribute	Ghost shark	pato-de-laysan
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ghost shark

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

pato-de-laysan

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

pato-de-laysan

O Pato-de-Laysan (Anas laysanensis) está classificado como Criticamente Ameaçado (CR) na Lista Vermelha da IUCN. Enfrenta um risco extremamente alto de extinção na natureza devido ao grave declínio populacional e à perda de habitat.