Molluscs of Andaman and Nicobar
1,099 molluscs on the India list have an open record placed in Andaman and Nicobar, 5 of them threatened (1 Critically Endangered, 2 Endangered and 2 Vulnerable).
A species is in a state when it has an open record placed there: a record anyone can check online (a GBIF record, or a research-grade iNaturalist observation). Threatened: IUCN Red List Critically Endangered, Endangered or Vulnerable. List of the week of 2026-11-09.
Threatened molluscs of Andaman and Nicobar (5)
- Tridacna gigas Gigas Giant Clam CR
- Bathymodiolus septemdierum EN
- Laevicaulis haroldi Harold Dundee's Leatherback Slug EN
- Alviniconcha hessleri VU
- Nautilus pompilius Emperor Nautilus VU
All molluscs of Andaman and Nicobar on the list (1,099)
- Abdopus aculeatus Algae Octopus
- Abra philippinensis
- Abranda casta
- Acanthopleura gemmata Jewelled Chiton
- Acanthosepion pharaonis DD
- Acavus haemastoma
- Aclyvolva lanceolata
- Acmella moreletiana
- Acrosterigma biradiatum
- Acrosterigma simplex
- Aegires villosus
- Agaronia gibbosa gibbous olive
- Agathistoma melaleucos
- Aldisa erwinkoehleri
- Aliculastrum cylindricum
- Allopeas gracile Graceful Awlsnail
- Alvania stigmata
- Alviniconcha hessleri VU
- Amalda booleyi
- Amphidromus andamanicus
- Amphidromus dubius
- Amphidromus furcillatus
- Amphidromus schomburgki
- Amphidromus sinensis
- Amusium pleuronectes Asian Moon Scallop
- Anadara ehrenbergi
- Ancilla ampla
- Angaria delphinus Lacinate Dolphin Shell
- Angustassiminea lucida
- Anisogemmula albina
- Anodontia edentula Toothless Lucine
- Anomalodiscus squamosus Squamose Venus
- Arakawania granulata
- Arakawania musiva
- Architectonica perspectiva Clear Sundial
- Arcopaginula inflata Speckled Tellin
- Ardeadoris angustolutea Yellow-margin Nudibranch
- Ardeadoris tomsmithi Tom Smith's Nudibranch
- Arestorides argus Eyed Cowrie
- Armina semperi
- Asaphis deflorata Gaudy Sanguin
- Asaphis violascens Pacific Asaphis
- Assiminea theobaldiana
- Asteronotus cespitosus Clumpy Nudibranch
- Atactodea striata Striated Little Trough Shell
- Atagema intecta
- Atagema spongiosa
- Atrina vexillum Flag Atrina
- Atys naucum
- Aurantilaria aurantiaca
- Austriella corrugata Corrugated Lucine
- Austropilula beddomeana
- Azorinus chamasolen Smooth Short Razor
- Babylonia ambulacrum
- Baeolidia moebii Moebius' Big Aeolid
- Barbatia amygdalumtostum Almond Ark
- Bathymodiolus septemdierum EN
- Bathytormus radiatus
- Batissa laevigata DD
- Batissa violacea
- Benimakia fastigium
- Benimakia lanceolata
- Benimakia violacea
- Bistolida brevidentata
- Bistolida hirundo Swallow Cowrie
- Bistolida kieneri Kiener's Cowrie
- Bistolida stolida
- Bistolida ursellus little bear cowrie
- Bornella anguilla Eel Bornella
- Bractechlamys nodulifera
- Brunneifusus ternatanus
- Bufonaria crumena Frilled Frog shell
- Bufonaria echinata
- Bufonaria elegans Elegant Frog shell
- Bufonaria rana Common Frog shell
- Bulla ampulla Bottle Bulla
- Bulla striata Common Atlantic Bubble
- Bulla vitrea
- Bursa lamarckii Lamarck's frog shell
- Cabestana spengleri Spengler's Trumpet Snail
- Cadlinella ornatissima
- Caecum glabrum
- Calcarovula gracillima
- Calliostoma laugieri Laugier's top shell
- Calliostoma perfragile
- Calliostoma philippei
- Callista kingii
- Callistochiton pulchellus
- Callistocypraea nivosa
- Caloria indica Indian Caloria
- Calpurnus verrucosus Little Egg Cowrie
- Canarium labiatum Labiate Stromb
- Canarium olydium
- Canarium urceus Little Bear Conch
- Cardilia semisulcata
- Cardiolucina civica
- Cardiolucina semperiana
- Cardita excisa
- Cardites antiquatus ancient cardita
- Carminodoris estrelyado
- Casmaria erinaceus Common Bonnet Snail
- Cassis cornuta Horned Helmet Snail
- Cavolinia globulosa globe sea butterfly
- Cavolinia tridentata Three-tooth Cavoline
- Cavolinia uncinata Uncinate Cavoline
- Ceratosoma tenue Many-lobed Ceratosoma
- Cerberilla ambonensis
- Cerberilla annulata
- Cerberilla asamusiensis
- Cerithium caeruleum
- Cerithium nodulosum Giant Nodulose Creeper
- Chama japonica
- Chamalycaeus andamaniae
- Chamalycaeus busbyi
- Chamalycaeus reinhardti
- Chelidonura hirundinina Swallowtail Headshield Slug
- Chelidonura pallida
- Chicoreus axicornis
- Chicoreus banksii Banks' Murex
- Chicoreus brunneus The Burnt Murex
- Chicoreus capucinus Mangrove Murex
- Chicoreus ramosus Ramose Murex
- Chicoreus torrefactus firebrand murex
- Chiton granoradiatus
- Chloritis helferi
- Chloritis wimberleyi
- Chromodoris elisabethina Elisabeth's Chromodoris
- Chromodoris lineolata Many-lined Nudibranch
- Chromodoris strigata Streaked Chromodoris
- Chrysostoma paradoxum
- Circulus novemcarinatus
- Clanculus clanguloides
- Clanculus microdon
- Clavus exasperatus
- Clavus unizonalis
- Clementia papyracea
- Clio convexa
- Clithon corona Horned Nerite Snail
- Clithon oualaniense Guamanian Nerite
- Clypeomorus batillariaeformis Necklace Cerith
- Clypeomorus bifasciata Double-banded Creeper
- Clypeomorus isselii
- Clypeomorus purpurastoma
- Cochlicella acuta Pointed Snail
- Cochlicella acuta Pointed Snail
- Codakia tigerina Pacific Tiger Lucine
- Collonista solida
- Colpodaspis thompsoni
- Coluzea gomphos
- Conasprella aculeiformis
- Conasprella comatosa
- Conasprella dictator
- Conasprella insculpta
- Conasprella viminea
- Conomurex decorus Mauritian conch
- Conus achatinus Agate Cone
- Conus adenensis
- Conus amadis Amadis Cone
- Conus ammiralis Admiral Cone
- Conus andamanensis Andaman Cone DD
- Conus araneosus Cobweb Cone
- Conus arenatus Sand-dusted Cone
- Conus aureus Aureus Cone
- Conus bandanus Banded Marble Cone
- Conus barthelemyi Barthelemy's Cone
- Conus bengalensis Bengal Cone
- Conus betulinus Beech Cone
- Conus bullatus Bubble Cone
- Conus capitaneus The Captain Cone
- Conus catus Cat Cone
- Conus ceylanensis
- Conus chaldaeus Vermiculate Cone
- Conus collisus Stigmatic Cone
- Conus consors Singed Cone
- Conus coronatus Coronated Cone
- Conus distans Distant Cone
- Conus ebraeus Black-and-white Cone Snail
- Conus episcopatus Dignified Cone
- Conus ermineus Agate Cone
- Conus eximius Exceptional Cone
- Conus figulinus Fig Cone
- Conus flavidus Yellow-Tinged Cone
- Conus furvus Carpenter Cone
- Conus geographus Geography Cone
- Conus glans The Acorn Cone
- Conus hyaena Hyena Cone
- Conus imperialis The Darkened Cone
- Conus inscriptus Inscribed Cone
- Conus laterculatus
- Conus leopardus Leopard Cone
- Conus litoglyphus Lithograph Cone
- Conus litteratus Lettered Cone
- Conus lynceus
- Conus magus Magical Cone
- Conus marmoreus Marble Cone
- Conus miles Mile Cone
- Conus milneedwardsi Glory-of-India Cone
- Conus monachus Monastic Cone
- Conus monile Necklace Cone
- Conus musicus Music Cone
- Conus mustelinus
- Conus nicobaricus Nicobar cone
- Conus nobilis Noble Cone DD
- Conus nussatella
- Conus pennaceus Feathered Cone DD
- Conus pica
- Conus praecellens Admirable Cone
- Conus pretiosus
- Conus quercinus Oak Cone
- Conus recluzianus Récluz Cone
- Conus renateae
- Conus stramineus Nisus Cone
- Conus striatellus
- Conus striatus Striated Cone
- Conus subulatus Subulate Cone DD
- Conus sulcatus Furrowed Cone
- Conus terebra terebra cone
- Conus textile Textile Cone
- Conus vexillum Flag Cone
- Conus virgo Virgin Cone
- Conus wittigi
- Conus zonatus Zoned Cone
- Coralichlamys madreporarum
- Coralliophila andamana
- Coralliophila clathrata
- Coralliophila fimbriata
- Coralliophila violacea Violet Purpura
- Corbula ovalina
- Corculum cardissa Heart Cockle
- Coriocella hibyae Velvet Snail
- Coryphellina exoptata Desirable Flabellina
- Coryphellina flamma
- Coryphellina rubrolineata Purple Flabellina
- Costasiella usagi Rabbit Sapsucking Slug
- Crassispira sinensis
- Cratena peregrina Cratena Slug
- Creseis acicula
- Creseis virgula
- Cryptopecten bernardi
- Cryptospira elegans
- Cryptospira scripta
- Cryptospira strigata
- Cryptospira ventricosa
- Cryptozona ligulata Tied Cryptozona
- Ctena divergens
- Ctenocardia virgo The Virgin Cockle
- Ctenoides ales Electric Fileclam
- Cucullaearca foliata
- Curvemysella paula
- Cuspidaria approximata
- Cyclophorus charpentieri
- Cyclophorus crocatus
- Cyclophorus denselineatus
- Cyclophorus fulguratus
- Cyclophorus leai
- Cyclostremiscus parvus
- Cyerce basi
- Cylichna involuta
- Cymbiola vespertilio Bat volute
- Cypraea tigris Tiger Cowrie
- Dallitellina rostrata
- Dallocardia muricata Yellow Prickly Cockle
- Daphnella patula
- Daphnellopsis lamellosa
- Decatopecten plica
- Decatopecten radula
- Dendrodoris arborescens
- Dendrodoris fumata
- Dendrodoris krusensternii Gem Doris
- Dendrodoris nigra Black Doris
- Dentiovula dorsuosa Violet Egg Cowrie
- Diacavolinia longirostris
- Diala semistriata
- Diminovula kosugei
- Diniatys dentifer
- Diodora granifera
- Diplodonta insulsa
- Discodoris boholiensis Flatworm Discodoris
- Distorsio reticularis France's Warp Shell
- Dolabella auricularia Blunt-end Seahare
- Dolabrifera dolabrifera Warty Seacat
- Dolomena marginata
- Dolomena pulchella pretty conch
- Dominus labiosus
- Domiporta carnicolor
- Domiporta circula
- Doriopsis pecten
- Doriprismatica atromarginata Black-margined Nudibranch
- Dorisca amica
- Dosinia histrio
- Dosinia juvenilis
- Dosinia tumida
- Drupa morum Mulberry Drupe
- Drupella margariticola Oyster Drill
- Drupina lobata Drupa lobata
- Dulcerana affinis
- Dulcerana granularis
- Duplicaria duplicata Duplicate Auger
- Echinolittorina malaccana Malacca echinolittorina
- Eclogavena interrupta
- Eglisia tricarinata
- Ellobium aurisjudae Judas Ear Cassidula
- Elysia aowthai
- Elysia bangtawaensis Mangrove Leaf Slug
- Elysia marginata
- Elysia ornata Ornate sap-sucking slug
- Elysia thompsoni
- Emarginula capuloidea
- Emarginula fuliginea
- Emarginula scabriuscula
- Engina alveolata
- Engina mendicaria Bumblebee Snail
- Engina zonalis
- Ennucula cumingii
- Ensiculus cultellus Knife Finger Oyster
- Eoacmaea pustulata Spotted Limpet
- Epideira multiseriata
- Epitonium clathrus Common Wentletrap
- Epitonium dubium
- Ergalatax contracta Contracted Buccinum
- Erronea caurica Thick-edged Cowrie
- Erronea errones Erroneous Cowrie
- Erronea onyx Onyx Cowrie
- Erronea pallida Pale Cowrie
- Erronea pyriformis Pyriform Cowrie
- Euchelus asper
- Euciroa eburnea
- Eucithara alacris
- Eucithara cinnamomea
- Eugemmula hombroni
- Eulima arcuata
- Euplica ionida
- Euplica scripta Dotted Dove Shell
- Euprotomus aurisdianae Diana's Ear
- Euselenops luniceps Moon-headed Sidegill Slug
- Favartia andamanensis
- Favartia cirrosa
- Favartia madangensis
- Ficadusta pulchella beautiful cowrie
- Ficus ficus Paper Fig Shell
- Ficus variegata True Fig Shell
- Filifusus filamentosus
- Fimbria fimbriata Common Basket Lucina
- Finella pupoides
- Fissidentalium serrulatum
- Fissurella cyathulum
- Frigidocardium exasperatum
- Frigidocardium torresi
- Fulvia australis
- Fulvia laevigata
- Fulvia scalata
- Funa variabilis
- Fusiaphera macrospira
- Fusinus sandvichensis
- Gadila anguidens
- Gafrarium dispar
- Gafrarium pectinatum Comb Circe
- Gafrarium tumidum Swollen Circe
- Gari elongata Elongate Sunset Clam
- Gari maculosa
- Gari pulcherrima
- Gari radiata
- Gastropteron bicornutum Doublehorned Batwing Slug
- Gemmulimitra rubiginosa
- Geotrochus bicolor
- Gibberulus albus
- Gibberulus gibberulus Gibbose Stromb
- Gibbula ahena
- Gingicithara cylindrica
- Glabella adansoni
- Globivenus orientalis
- Globovula cavanaghi Cavanagh's Egg Cowry
- Gloripallium pallium Painted Scallop
- Glossodoris acosti
- Glossodoris cincta Girdled Glossodoris
- Glossodoris hikuerensis Brown-edge Glossodorid
- Glossodoris pallida lemon meringue nudibranch
- Glossodoris rufomarginata Caramel Nudibranch
- Glyphepithema alapapilionis
- Goniobranchus albopunctatus
- Goniobranchus conchyliatus
- Goniobranchus fidelis Faithful Sea Slug
- Goniobranchus geminus Gem Sea Slug
- Goniobranchus geometricus Geometric Goniobranchus
- Goniobranchus gleniei
- Goniobranchus hintuanensis Bus Stop Nudibranch
- Goniobranchus sinensis
- Goniodoridella savignyi
- Gouldipoma turritum
- Granata sulcifera
- Gutturnium muricinum
- Gymnodoris ceylonica
- Gymnodoris impudica
- Gymnodoris striata
- Gyrineum bituberculare
- Halgerda bacalusia
- Halgerda stricklandi
- Halgerda tessellata
- Haliotis asinina Donkey's Ear Abalone
- Haliotis ovina sheep's ear abalone
- Haliotis varia Variable abalone
- Haloa aptei
- Haloa constricta
- Hapalochlaena nierstraszi DD
- Haploptychius andamanicus
- Haploptychius pfeifferi
- Harpa amouretta minor harp
- Harpago arthriticus arthritic spider conch
- Harpago chiragra Chiragra Conch
- Hastula aciculina
- Hastula cinerea Grey Atlantic Auger
- Hastula confusa
- Hastula hectica Sandbeach auger
- Haumea minuta
- Hecuba scortum
- Heliacus geminus
- Heliacus implexus
- Hemilienardia malleti
- Herviella albida
- Hexabranchus sanguineus Spanish Dancer
- Hinea brasiliana Yellow-coated Clusterwink
- Hinea fasciata
- Hinea lineata
- Huttonella bicolor Two-tone Gulella
- Hyalimax andamanica
- Hyalimax reinhardti
- Hydatina albocincta White-banded Bubble Snail
- Hydatina physis Brown-lined Paperbubble
- Hydatina zonata Zoned Paper Bubble Snail
- Hypermastus acutus
- Hypselodoris bullockii Bullock's Hypselodoris
- Hypselodoris infucata Painted Hypselodoris
- Hypselodoris juniperae
- Hypselodoris maculosa Spotted Hypselodoris
- Hypselodoris maridadilus
- Hypselodoris nigrostriata
- Hypselodoris pulchella Beautiful Hypseldoris
- Hypselodoris sagamiensis
- Idiosepius pygmaeus Two-toned Pygmy Idiosepiid DD
- Imbricaria annulata
- Imbricaria bacillum
- Imbricaria bantamensis
- Imbricaria flammea
- Imbricaria interlirata
- Imbricariopsis vanikorensis
- Indomitrella puella
- Indomodulus tectum
- Indoplanorbis exustus
- Indothais blanfordi Blanford's Whelk
- Indothais lacera Carinate Rock Shell
- Infundibulum concavum
- Janthina globosa Violet Globe Snail
- Jitlada hanleyi
- Jorunna funebris Mourning Dorid
- Jorunna rubescens Red-lined Jorunna
- Jujubinus suarezensis
- Kaloplocamus acutus
- Kermidaphnella pumila
- Laevicaulis alte Tropical Leatherleaf Slug
- Laevicaulis haroldi Harold Dundee's Leatherback Slug EN
- Laevichlamys andamanica
- Laevichlamys squamosa
- Laevidentalium eburneum
- Laevistrombus canarium Dog Conch
- Lagocheilus galatheae
- Lagocheilus roepstorfi
- Lagocheilus wuellerstorfianus
- Lambis crocata Crocate Spider Shell
- Lambis lambis Common Spider Conch
- Lamprohaminoea cymbalum
- Lamprohaminoea mikkelsenae
- Lataxiena blosvillei Blosville's False Latiaxis
- Latirolagena smaragdulus
- Latirus rhodostoma
- Latissistrombus sinuatus
- Latona faba
- Latona incarnata
- Latona purpurascens
- Latona siliqua
- Leiosolenus nasutus
- Lentigo lentiginosus Silver Conch
- Lentigo thersites
- Leporicypraea geographica
- Leporicypraea mappa Map Cowrie
- Leptopoma marginellus
- Leptopoma roepstorffianum
- Lienardia armstrongi
- Lienardia mighelsi
- Lima vulgaris
- Limaria basilanica Orange File Clam
- Limaria fragilis Fragile File Shell
- Lioconcha ornata
- Lioconcha philippinarum
- Lioconcha polita
- Lioconcha tigrina
- Lioconcha trimaculata
- Lioplacodes multistriata
- Lissachatina fulica African Giant Snail
- Littoraria conica
- Littoraria melanostoma
The first 500 by name. See them on the map, with filters.
Molluscs elsewhere
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Other species of Andaman and Nicobar
Birds · Large mammals · Bats · Rodents, shrews and hares · Whales, dolphins and other mammals · Reptiles · Amphibians · Fish · Butterflies · Moths · Dragonflies and damselflies · Beetles · Bees, wasps and ants · Flies · True bugs · Other insects · Spiders and other arachnids · Crabs, shrimps and kin · Orchids · Grasses and sedges · Ferns and lycophytes · Other flowering plants and conifers · Mosses and liverworts · Lichens · Fungi · Algae and diatoms · Other species