Crested shark vs Neotropical otter

Galeus arae compared with Lontra longicaudis

Key Differences

• Crested shark is Least Concern while Neotropical otter is Data Deficient.

Taxonomic Classification

Rank	Crested shark	Neotropical otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Carnivora (Carnivorans)
Family	Scyliorhinidae	Mustelidae (Weasels & Otters)
Genus	Galeus	Lontra
Species	Galeus arae	Lontra longicaudis

Evolutionary Relationship

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

Conservation Status

Crested shark

LC — Least Concern

Neotropical otter

DD — Data Deficient

Physical Characteristics

Attribute	Crested shark	Neotropical otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crested shark

Habitat

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

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.