Chestnut Lamprey vs Leao

Ichthyomyzon castaneus compared with Panthera leo

Key Differences

Chestnut Lamprey is Least Concern while Leao is Vulnerable.

Taxonomic Classification

Rank	Chestnut Lamprey	Leao
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Petromyzonti (Petromyzonti)	Mammalia (mamíferos)
Order	Petromyzontiformes (Lampreia)	Carnivora (carnívoros)
Family	Petromyzontidae	Felidae (Cats)
Genus	Ichthyomyzon	Panthera (Big Cats)
Species	Ichthyomyzon castaneus	Panthera leo

Evolutionary Relationship

Chestnut Lamprey and Leao share a common ancestor at the Phylum level: Chordata. (cordados)

View Phylum: Chordata

Conservation Status

Chestnut Lamprey

LC — Least Concern

Leao

VU — Vulnerable

Population: ~23.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Chestnut Lamprey	Leao
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	2.5 m
Average Weight	—	190.0 kg

Habitat & Geographic Range

Chestnut Lamprey

Leao

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 7 distinct biome types spanning the Afrotropic and Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, and Kenya. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Chestnut Lamprey

The Chestnut Lamprey (Ichthyomyzon castaneus) is a species in the genus Ichthyomyzon. It is currently classified as Least Concern on the IUCN Red List.

Leao

O maior felino selvagem da África, o leão pode atingir até 250 kg e é o único felídeo social, vivendo em grupos nas savanas e pastagens da África Subsaariana. Os machos se distinguem por suas icônicas juba. Como predadores de topo, regulam as populações de herbívoros e mantêm o equilíbrio do ecossistema. Classificado como Vulnerável devido à perda de habitat e ao conflito entre humanos e vida selvagem.