Molluscs encyclopedia

One Animalpedia species classified as molluscs: characteristics, diet, habitat, behaviour and conservation status.

Molluscs are invertebrate animals with a soft body, often protected by a calcareous shell. They live in the sea, in fresh water or on land, and generally move slowly by means of a muscular foot. The snail, the slug, the mussel and the oyster belong to this group, as do the octopus and the cuttlefish, its most mobile representatives.

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CLASS

Hexacorallia (Sea Anemones and Corals) 1 Gastropods 6 Bivalves 7 Clitellates 1 Clitellates 1 Turbellarians (Flatworms) 1 Polychaetes 2 Tardigrades (Eutardigrada / Heterotardigrada) 1 Rotifers 1 Demosponges (Poriferans) 1 Scyphozoans 1 Crustaceans (Barnacles) 1 Anthozoans 1 Hydrozoans 2 Starfish (Echinoderms) 1 Brittle Stars 1 Sea Urchins 1 Holothuroidea (Sea Cucumbers) 1 Crinoids 1 Millipedes 1 Turbellarians (Flatworms) 1 Malacostracan Crustaceans 18 Molluscs 1 Chondrichthyans 6 Cephalopods 6 Chondrichthyans 10 Chondrichthyes (cartilaginous fish) 1 Actinopterygians 18 Fish (Actinopterygians) 17 Bony fish (Actinopterygians) 1 Actinistians (Sarcopterygians) 1 Sarcopterygians (Flesh-finned fish) 1 Horseshoe crabs 1 Mammals 208 Birds 131 Reptiles 62 Amphibians 13 Fish 28 Insects 55 Arachnids 11 Crustaceans 2

HABITAT

Forest Wetlands Farmland & grasslands Steppe Ocean & sea Coastline Mountain Rivers & lakes Urban environment Tropical forest Savanna Desert

IUCN STATUS

Not evaluated Least concern Endangered Data deficient Near threatened Vulnerable Critically endangered Extinct in the wild

REGION

Present in Tunisia

1 species alrkhoyat

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Common octopus on a rocky Mediterranean seabed

Common octopus

Octopus vulgaris

Least concern Ocean & sea

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