Bigtooth river stingray vs loup

Potamotrygon henlei compared with Canis lupus

Key Differences

• Bigtooth river stingray is Least Concern while loup is Critically Endangered.

Taxonomic Classification

Rank	Bigtooth river stingray	loup
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (mammifères)
Order	Myliobatiformes (Myliobatiformes)	Carnivora (carnivores)
Family	Potamotrygonidae	Canidae (Dogs & Wolves)
Genus	Potamotrygon	Canis (Dogs & Wolves)
Species	Potamotrygon henlei	Canis lupus

Evolutionary Relationship

Bigtooth river stingray and loup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigtooth river stingray

LC — Least Concern

loup

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Bigtooth river stingray	loup
Diet	—	Carnivore
Average Lifespan	—	13 years
Average Length	—	1.6 m
Average Weight	—	45.0 kg

Habitat & Geographic Range

Bigtooth river stingray

loup

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 13 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Seychelles), Asia (Japan), Europe (5 countries), North America (7 countries), Oceania and the Pacific (Marshall Islands, Vanuatu), and South America (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bigtooth river stingray

The Bigtooth river stingray (Potamotrygon henlei) is a species in the genus Potamotrygon. It is currently classified as Least Concern on the IUCN Red List.

loup

The most widely distributed wild canid, gray wolves range from North America across Eurasia in diverse habitats including tundra, forests, and grasslands. Highly social animals living in family packs led by a dominant breeding pair. As keystone predators, wolves regulate prey populations and profoundly shape ecosystem structure, as demonstrated by their reintroduction in Yellowstone. Once heavily persecuted, populations are recovering in many regions.