Basking shark vs Black-tailed Deermouse

Rhincodon typus compared with Peromyscus melanurus

Taxonomic Classification

Rank	Basking shark	Black-tailed Deermouse
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Lamniformes (อันดับปลาฉลามขาว)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Rhincodontidae (Whale Sharks)	Cricetidae
Genus	Rhincodon (Whale Sharks)	Peromyscus
Species	Rhincodon typus	Peromyscus melanurus

Evolutionary Relationship

Basking shark and Black-tailed Deermouse share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Basking shark

EN — Endangered

Trend: Decreasing ↓

Black-tailed Deermouse

EN — Endangered

Physical Characteristics

Attribute	Basking shark	Black-tailed Deermouse
Diet	Omnivore	—
Average Lifespan	100 years	—
Average Length	12.0 m	—
Average Weight	20.0 t	—

Habitat & Geographic Range

Basking shark

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

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

Black-tailed Deermouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Basking shark

The world's largest fish, whale sharks can exceed 12 meters and 20 tonnes, inhabiting tropical and warm temperate oceans worldwide. Despite their massive size, they are harmless filter feeders, consuming plankton, fish eggs, and small fish by swimming open-mouthed through prey-dense water. They undertake vast seasonal migrations following plankton blooms. Endangered due to fishing, boat strikes, and the live fin trade, with population declining by approximately 50% over the past 75 years.

Black-tailed Deermouse

The Black-tailed Deermouse (Peromyscus melanurus) is a species in the genus Peromyscus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.