Alequim vs Big Naked-backed Bat

Carcharodon carcharias compared with Pteronotus gymnonotus

Key Differences

• Alequim is Vulnerable while Big Naked-backed Bat is Least Concern.

Taxonomic Classification

Rank	Alequim	Big Naked-backed Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (mamíferos)
Order	Lamniformes (Mackerel Sharks)	Chiroptera (morcego)
Family	Lamnidae (Mackerel Sharks)	Mormoopidae
Genus	Carcharodon (Great White Sharks)	Pteronotus
Species	Carcharodon carcharias	Pteronotus gymnonotus

Evolutionary Relationship

Alequim and Big Naked-backed Bat share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Alequim

VU — Vulnerable

Population: ~3.5K

Trend: Decreasing ↓

Big Naked-backed Bat

LC — Least Concern

Physical Characteristics

Attribute	Alequim	Big Naked-backed Bat
Diet	Carnivore	—
Average Lifespan	70 years	—
Average Length	5.0 m	—
Average Weight	1.1 t	—

Habitat & Geographic Range

Alequim

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 9 distinct biome types spanning the Indomalayan and Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Chile, Norway, Portugal, and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Big Naked-backed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Alequim

O tubarão-branco é o maior peixe predador da Terra, podendo atingir 6 metros de comprimento e 2.000 kg, habitando águas costeiras e oceânicas frias em todos os principais oceanos. São predadores de topo que empregam ataques de emboscada por baixo, direcionados principalmente a mamíferos marinhos, peixes de grande porte e aves marinhas. Apesar de sua terrível reputação, ataques não provocados a humanos são extremamente raros. Classificado como Vulnerável (VU), com populações em declínio devido ao corte de barbatanas, captura acidental e pesca direcionada, apesar das proteções legais vigentes em muitas jurisdições.

Big Naked-backed Bat

The Big Naked-backed Bat (Pteronotus gymnonotus) is a species in the genus Pteronotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.