Bigeye thresher vs common intertidal amphipod

Alopias pelagicus compared with Gammarus locusta

Key Differences

• Bigeye thresher is Endangered while common intertidal amphipod is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher	common intertidal amphipod
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Malacostraca (Crustaceans)
Order	Lamniformes (Mackerel Sharks)	Amphipoda (Amphipoda)
Family	Alopiidae	Gammaridae
Genus	Alopias	Gammarus
Species	Alopias pelagicus	Gammarus locusta

Evolutionary Relationship

Bigeye thresher and common intertidal amphipod share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

common intertidal amphipod

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher	common intertidal amphipod
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye thresher

Habitat

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

Range

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

common intertidal amphipod

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Bigeye thresher

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

common intertidal amphipod

<em>Gammarus locusta</em>, commonly known as the common intertidal amphipod, is a crustacean in the family Gammaridae. Its conservation status has not been formally evaluated by the IUCN. The species is recorded from Denmark, Norway, Portugal, and Sweden, indicating a distribution along the northeastern Atlantic coast of Europe. It typically inhabits intertidal and shallow subtidal marine and estuarine environments, where it is found among algae, under rocks, and in sediments. Gammarus amphipods are ecologically important as detritivores and as prey for shorebirds, fish, and other invertebrates in coastal food webs. Diet information for this species is not available in current records. Biological traits of this species remain poorly documented in the scientific literature.