Marine Invertebrates
Sea Shells, Sea Slugs, Octopuses & allies (Mollusca)

Sea Shell, Sea Slug or Octopus (Mollusca) field guide

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Sea Shells, Sea Slugs, Octopuses & allies (Mollusca)

Sea Snails, Limpets (Gastropoda, excluding Euthyneura)
Sea Slugs, Sea Hares, Bubble Shells (Gastropoda, Euthyneura)
Pipis, Clams, Oysters (Bivalvia)
Chitons (Polyplacophora)
Octopuses, Squids (Cephalopoda)
Tusk Shells (Scaphopoda)

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Critically endangered * Endangered * Vulnerable * Very rare / threatened Rare or uncommon native Local native Non-local native Vagrant native Cosmopolitan Migratory Exotic Locally extinct Unknown
Non-invasive or negligible Minor weed or pest Medium weed or pest Major weed or pest Severe weed or pest Unknown

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Myadora complexa (Myadora complexa)

Myadora complexa
Myadora complexa

Mytilus edulis (Blue Mussel)

Mytilus edulis
Mytilus edulis
Mytilus edulis
Mytilus edulis
Mytilus edulis
Mytilus edulis

Mytilus galloprovincialis (Bay Mussel)

Nassarius (Niotha) nigellus (Tasmanian Dog Whelk)

Nassarius (Niotha) nigellus
Nassarius (Niotha) nigellus

Nassarius (Plicarcularia) jonasii (Jonas's Dog Whelk)

Nassarius (Plicarcularia) jonasii
Nassarius (Plicarcularia) jonasii

Nerita atramentosa (Black Nerite)

Nerita melanotragus (Black Nerite)

Nerita melanotragus
Nerita melanotragus
Nerita melanotragus
Nerita melanotragus
Nerita melanotragus
Nerita melanotragus

Nerita sp.

Nerita sp.
Nerita sp.
Nerita sp.
Nerita sp.
Nerita sp.
Nerita sp.

Nodilittorina pyramidalis (Nodilittorina pyramidalis)

Nodilittorina pyramidalis
Nodilittorina pyramidalis
Nodilittorina pyramidalis
Nodilittorina pyramidalis
Nodilittorina pyramidalis
Nodilittorina pyramidalis

Octopus australis (Hammer Octopus)

Octopus maorum (Maori Octopus)

Octopus maorum
Octopus maorum
Octopus maorum
Octopus maorum
Octopus maorum
Octopus maorum

Octopus sp. (Octopus)

Octopus tetricus (Gloomy Octopus)

Octopus tetricus
Octopus tetricus
Octopus tetricus
Octopus tetricus
Octopus tetricus
Octopus tetricus

Odontotrochus indistinctus (Comtesse's Top Shell)

Odontotrochus indistinctus
Odontotrochus indistinctus

Okenia mija

Okenia mija
Okenia mija

Onchidella patelloides (Onchidella patelloides)

Onchidella patelloides
Onchidella patelloides
Onchidella patelloides
Onchidella patelloides

Opalia (Dentiscala) ballinensis (Opalia (Dentiscala) ballinensis)

Opalia (Dentiscala) ballinensis
Opalia (Dentiscala) ballinensis

Opalia australis (Southern Wentletrap)

Opalia australis
Opalia australis
Opalia australis
Opalia australis

Ostrea (Eostrea) angasi (Tasmanian Flat Oyster)

Ostrea (Eostrea) angasi
Ostrea (Eostrea) angasi
Ostrea (Eostrea) angasi
Ostrea (Eostrea) angasi
Ostrea (Eostrea) angasi
Ostrea (Eostrea) angasi

Panopea australis (Australian Gaper)

Panopea australis
Panopea australis

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1,902,143 sightings of 21,178 species in 9,368 locations from 13,029 contributors
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We acknowledge the Traditional Owners of this land and acknowledge their continuing connection to their culture. We pay our respects to their Elders past and present.