Flohkrebs vs Graureiher

Gammarus locusta compared with Ardea cinerea

Key Differences

• Flohkrebs is Not Evaluated while Graureiher is Least Concern.

Taxonomic Classification

Rank	Flohkrebs	Graureiher
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Arthropoda (Gliederfüßer)	Chordata (Chordatiere)
Class	Malacostraca (Höhere Krebse)	Aves (Vögel)
Order	Amphipoda (Flohkrebse)	Pelecaniformes (Pelecaniformes)
Family	Gammaridae	Ardeidae
Genus	Gammarus	Ardea
Species	Gammarus locusta	Ardea cinerea

Evolutionary Relationship

Flohkrebs and Graureiher share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Flohkrebs

NE — Not Evaluated

Graureiher

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Flohkrebs	Graureiher
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	95 cm
Average Weight	—	1.5 kg

Habitat & Geographic Range

Flohkrebs

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Graureiher

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (6 countries).

Flohkrebs

<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.

Graureiher

A large, elegant wading bird reaching up to 1 meter in height, gray herons inhabit wetlands, rivers, lakes, and coastal areas across Europe, Asia, and Africa. Patient, solitary hunters, they stand motionless for long periods before striking fish, frogs, and small mammals with lightning-fast dagger bill strikes. They nest colonially in tall trees in rookeries called heronries, sometimes shared with other colonial waterbirds. Widely distributed and of Least Concern globally.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden