Klappenassel vs Körnige Meerassel

Idotea chelipes compared with Idotea granulosa

Taxonomic Classification

Rank	Klappenassel	Körnige Meerassel
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Arthropoda (Gliederfüßer)	Arthropoda (Gliederfüßer)
Class same	Malacostraca (Höhere Krebse)	Malacostraca (Höhere Krebse)
Order same	Isopoda (Asseln)	Isopoda (Asseln)
Family same	Idoteidae	Idoteidae
Genus same	Idotea	Idotea
Species	Idotea chelipes	Idotea granulosa

Evolutionary Relationship

Klappenassel and Körnige Meerassel share a common ancestor at the Genus level: Idotea.

Conservation Status

Klappenassel

NE — Not Evaluated

Körnige Meerassel

NE — Not Evaluated

Physical Characteristics

Attribute	Klappenassel	Körnige Meerassel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Klappenassel

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Körnige Meerassel

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden.

Klappenassel

The Clawfooted Marine Isopod belongs to the crustacean order Isopoda, a diverse group of aquatic and terrestrial arthropods with flattened, segmented bodies and seven pairs of walking legs. Marine isopods occupy a vast range of habitats from intertidal zones to hadal trenches, and many species are adapted to specific substrates, host organisms, or depth ranges. Species commonly referred to as clawfooted isopods often belong to families such as Gnathiidae, Cirolanidae, or Aegidae, characterized by robust, claw-tipped pereopods used for grasping substrate or hosts. Many marine isopods are scavengers or detritivores, consuming decomposing organic matter on the seafloor, while others are parasitic on fishes or invertebrates. The segmented exoskeleton is periodically molted as the animal grows. Marine isopods are important components of benthic food webs, serving as prey for fishes, crabs, and other invertebrates, while also contributing to the decomposition of organic matter. Specific information on the Clawfooted Marine Isopod's distribution, ecology, and conservation status depends on the exact species referred to, as the common name may apply to more than one species within this large and taxonomically complex order.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden