Aquatic Treefrog vs Commerson s Dolphin

Sarcohyla crassa compared with Cephalorhynchus commersonii

Key Differences

• Aquatic Treefrog is Critically Endangered while Commerson s Dolphin is Least Concern.

Taxonomic Classification

Rank	Aquatic Treefrog	Commerson s Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Anura (Frogs & Toads)	Cetacea (Whales & Dolphins)
Family	Hylidae	Delphinidae (Oceanic Dolphins)
Genus	Sarcohyla	Cephalorhynchus
Species	Sarcohyla crassa	Cephalorhynchus commersonii

Evolutionary Relationship

Aquatic Treefrog and Commerson s Dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Aquatic Treefrog

CR — Critically Endangered

Commerson s Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Aquatic Treefrog	Commerson s Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aquatic Treefrog

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Commerson s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Aquatic Treefrog

The Aquatic Treefrog (Sarcohyla crassa) is a species in the genus Sarcohyla. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo.

Commerson s Dolphin

<em>Cephalorhynchus commersonii</em>, commonly known as Commerson's Dolphin, is a small cetacean in the family Delphinidae. This species is classified as Least Concern on the IUCN Red List and is notable for its striking black-and-white coloration, which makes it one of the most visually distinctive dolphin species. Commerson's Dolphins typically inhabit coastal and nearshore marine environments of the Southern Hemisphere, particularly around the Falkland Islands, the southern tip of South America, and a geographically isolated population near the Kerguelen Islands in the Indian Ocean. These dolphins are highly social animals, often observed in small groups engaging in acrobatic behaviors near the surface. They typically feed on fish, squid, and crustaceans, often hunting cooperatively in shallow waters and kelp beds. Their average lifespan is approximately 18 years, and they are known for their fast, energetic swimming. Commerson's Dolphins are sometimes caught as bycatch in fishing nets, posing a localized conservation concern despite their overall Least Concern status.