Neotropical otter vs Slender weasel shark

Lontra longicaudis compared with Paragaleus randalli

Key Differences

• Neotropical otter is Data Deficient while Slender weasel shark is Vulnerable.

Taxonomic Classification

Rank	Neotropical otter	Slender weasel shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Carnivora (Carnivorans)	Carcharhiniformes (Ground Sharks)
Family	Mustelidae (Weasels & Otters)	Hemigaleidae
Genus	Lontra	Paragaleus
Species	Lontra longicaudis	Paragaleus randalli

Evolutionary Relationship

Neotropical otter and Slender weasel shark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Neotropical otter

DD — Data Deficient

Slender weasel shark

VU — Vulnerable

Physical Characteristics

Attribute	Neotropical otter	Slender weasel shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Slender weasel shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

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