Raya dulceacuícola vs Delfín tonina

Potamotrygon orbignyi compared with Tursiops truncatus

Key Differences

Raya dulceacuícola is Near Threatened while Delfín tonina is Least Concern.

Taxonomic Classification

Rank	Raya dulceacuícola	Delfín tonina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Elasmobranchii	Mammalia (mamíferos)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Potamotrygonidae	Delphinidae (Oceanic Dolphins)
Genus	Potamotrygon	Tursiops (Bottlenose Dolphins)
Species	Potamotrygon orbignyi	Tursiops truncatus

Evolutionary Relationship

Raya dulceacuícola and Delfín tonina share a common ancestor at the Phylum level: Chordata. (cordados)

Vista Phylum: Chordata

Conservation Status

Raya dulceacuícola

NT — Near Threatened

Delfín tonina

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Raya dulceacuícola	Delfín tonina
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Raya dulceacuícola

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

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

Delfín tonina

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Raya dulceacuícola

The Anglespot river stingray (Potamotrygon orbignyi) is a species in the genus Potamotrygon. It is currently classified as Near Threatened on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

Delfín tonina

La especie de delfín más estudiada y reconocida, los delfines mulares habitan océanos cálidos y templados de todo el mundo, desde las aguas costeras poco profundas hasta el mar abierto. Altamente inteligentes con grandes cerebros en relación con el tamaño corporal, demuestran autoreconocimiento, comunicación compleja y aprendizaje social. Viven en sociedades fluidas de fisión-fusión y cooperan para arrear peces. Una especie indicadora clave de la salud del ecosistema marino.