A living guide to Kauaʻi

Kauaʻi species, habitats and conservation records

Explore the island’s native and introduced species, habitats, watersheds and conservation work. Each record connects its description, images and sources with the interactive Atlas.

Page 29 of 58

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  Neal's Sapsucking Slug

  Elysia nealae

  Sea Slugs of Hawaii explicitly includes Kauai in the distribution of Elysia nealae. WoRMS AphiaID 494460 lists Elysia nealae as accepted. Expert account reports animals at 1-2 m and 2-9 m, within shallow nearshore scope. Accepted species

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  Yellow Sap-sucking Slug

  Elysia obtusa

  Sea Slugs of Hawaii explicitly includes Kauai in the distribution of Elysia obtusa. WoRMS AphiaID 494464 lists Elysia obtusa as accepted. Expert account gives a 4 m (14 ft) shallow habitat record. Explicit expert island distribution, acc

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  Halimeda Sap-sucking Slug

  Elysia pusilla

  Sea Slugs of Hawaii explicitly includes Kauai; iNaturalist RG observations 194951700 (Kōloa Landing, 2012) and 178325139 (east Kauaʻi, 2023) have explicit island coordinates. WoRMS AphiaID 536474 lists Elysia pusilla as accepted. Expert a

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  Lamellar Disc Snail

  Endodonta lamellosa

  Fauna Hawaiiensis explicitly lists Kauai material attributed to Newcomb; Bishop Museum checklist carries the taxon. MolluscaBase and GBIF resolve Endodonta lamellosa as an accepted species; GBIF match confidence 99. Terrestrial land snail

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  Hawaiian Bugle

  Erinna aulacospira

  USFWS taxonomic account identifies the Hawaiian bugle as threatened and endemic to Kauai; Kauai watershed sources list it among endemic snails. MolluscaBase/WoRMS AphiaID 1315468 retains Erinna aulacospira; USFWS uses the same name. Fresh

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  Bisculpted Clam

  Ervilia bisculpta

  Bishop Museum Technical Report 29 table records the species at Kauai station Ka4 (PDF p.126, printed p.118). MolluscaBase/WoRMS AphiaID 216457 resolves Ervilia bisculpta as accepted. The report is a coastal marine biotic survey; Ka4 is an

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  Tulip Worm Shell

  Eualetes tulipa

  Bishop Museum Technical Report 29 table records the species at Kauai station Ka1 (PDF p.110, printed p.102). MolluscaBase/WoRMS AphiaID 709533 resolves Eualetes tulipa as accepted. The cited station is part of the Kauai coastal survey and

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  Garrett's Murex

  Favartia garrettii

  Bishop Museum Technical Report 29 table records the species at Kauai station Ka2 (PDF p.117, printed p.109). MolluscaBase/WoRMS AphiaID 724682 resolves Favartia garrettii as accepted; author-citation differences do not alter the species co

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  American Lake Limpet

  Ferrissia californica

  Christensen (2016) states the former Ferrissia sharpi was reported from Kauai and recorded in numerous Hawaiian stream surveys. Peer-reviewed Bishop Museum paper demonstrates Ferrissia sharpi and F. fragilis are synonyms of senior name Fer

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  Wandering Snaggletooth

  Gastrocopta servilis

  Bishop Museum Occasional Paper 50 catalogs the species in the Kauai nonindigenous land-snail fauna. MolluscaBase/WoRMS AphiaID 875186 resolves Gastrocopta servilis as accepted. Terrestrial; marine habitat limits do not apply. Authoritati

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  Cooke's Georissa

  Georissa cookei

  Bishop Museum Hawaiian checklist reports the species for Kauai. MolluscaBase/WoRMS AphiaID 1325307 accepts Georissa cookei and records Georissa neali as its synonym. Terrestrial microsnail; marine limits do not apply. Authoritative islan

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  Kauaʻi Georissa

  Georissa kauaiensis

  Bishop Museum Hawaiian checklist reports the species for Kauai; the original species concept is explicitly Kauai-associated. MolluscaBase/WoRMS AphiaID 1325308 accepts Georissa kauaiensis. Terrestrial microsnail; marine limits do not appl

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  White-margin Nudibranch

  Glossodoris rufomarginata

  Bishop Museum TR29 and a NOAA/HCRI Kauai shallow-reef report record the species; Sea Slugs of Hawaii explicitly includes Kauai; 2018 observations corroborate. MolluscaBase/WoRMS AphiaID 559960 resolves Glossodoris rufomarginata as accepted

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  Caperata Land Snail

  Godwinia caperata

  Bishop Museum Hawaiian checklist explicitly reports the species in the Kauai fauna. MolluscaBase/WoRMS AphiaID 1375725 retains Godwinia caperata as an accepted taxon. Terrestrial land snail; marine restrictions do not apply. Accepted tax

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  Haupu Land Snail

  Godwinia haupuensis

  Bishop Museum Hawaiian checklist explicitly reports Godwinia haupuensis in the Kauai fauna. MolluscaBase/WoRMS AphiaID 1375727 retains Godwinia haupuensis as an accepted taxon. Terrestrial land snail; marine restrictions do not apply. Th

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  Newcomb's Land Snail

  Godwinia newcombi

  Bishop Museum Hawaiian checklist explicitly reports Godwinia newcombi in the Kauai fauna. MolluscaBase/WoRMS AphiaID 1505963 retains Godwinia newcombi. Terrestrial land snail; marine restrictions do not apply. Authoritative island checkl

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  Strigate Auger

  Hastula strigilata

  NOAA/HCRI reef survey table records Hastula strigilata at a Kauai rapid-assessment station; a 2023 Kauai observation corroborates. MolluscaBase/WoRMS AphiaID 217086 accepts Hastula strigilata. NOAA/HCRI Kauai stations were coral reefs at

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  Haurakia marmorata

  Haurakia marmorata

  Bishop Museum Technical Report 29 records Haurakia marmorata at a Kauai coastal station. MolluscaBase/WoRMS AphiaID 594633 accepts Haurakia marmorata. The source is a coastal marine biotic survey and the marked Kauai station is within nea

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  Minute Gem

  Hawaiia minuscula

  Bishop Museum Hawaiian checklist and Occasional Paper 50 report Hawaiia minuscula from Kauai. MolluscaBase/WoRMS AphiaID 875270 accepts Hawaiia minuscula. Terrestrial land snail; marine restrictions do not apply. Authoritative island and

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  Helenia apiculata

  Helenia apiculata

  Bishop Museum Hawaiian checklist explicitly reports Helenia apiculata for Kauai. MolluscaBase/WoRMS AphiaID 1903542 accepts Helenia apiculata under the revised Hawaiian endodontid classification. Terrestrial land snail; marine restriction

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  Helenia binaria

  Helenia binaria

  Bishop Museum Hawaiian checklist explicitly reports Helenia binaria for Kauai. MolluscaBase/WoRMS AphiaID 1903544 accepts Helenia binaria. Terrestrial land snail; marine restrictions do not apply. Authoritative checklist and accepted tax

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  Helenia laminata

  Helenia laminata

  Bishop Museum Hawaiian checklist explicitly reports Helenia laminata for Kauai. MolluscaBase/WoRMS AphiaID 1903769 accepts Helenia laminata. Terrestrial land snail; marine restrictions do not apply. Authoritative island checklist verifie

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  Gem Top Shell

  Herpetopoma gemmatum

  Bishop Museum Technical Report 29 records the taxon at a Kauai coastal station; Kauai observations from 2010 and 2018 corroborate persistence. MolluscaBase/WoRMS AphiaID 951880 accepts Herpetopoma gemmatum. Primary survey evidence is coas

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  Gold-margin Spanish Dancer

  Hexabranchus aureomarginatus

  Sea Slugs of Hawaii explicitly includes Kauai and gives firsthand Poipu and Hoai Bay Kauai observations; a 2025 Poipu record corroborates. MolluscaBase/WoRMS AphiaID 549826 accepts Hexabranchus aureomarginatus and distinguishes it from H.

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  Variable Pheasant Shell

  Hiloa variabilis

  Bishop Museum Technical Report 29 records Hiloa variabilis at a Kauai coastal survey station. MolluscaBase/WoRMS AphiaID 865355 accepts Hiloa variabilis. Station evidence is from a coastal marine survey within nearshore scope. Direct isl

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  Hiona exaequata

  Hiona exaequata

  Two Bishop Museum Hawaiian checklist treatments report Hiona exaequata and its subspecific concepts from Kauai. MolluscaBase/WoRMS AphiaID 1423367 accepts Hiona exaequata. Terrestrial land snail; marine restrictions do not apply. Authori

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  Hiona kipui

  Hiona kipui

  Bishop Museum Hawaiian checklist reports Hiona kipui for Kauai. MolluscaBase/WoRMS AphiaID 1422896 accepts Hiona kipui. Terrestrial land snail; marine restrictions do not apply. Accepted island taxon in the authoritative checklist; curre

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  Hiona meineckei

  Hiona meineckei

  Bishop Museum Hawaiian checklist reports Hiona meineckei for Kauai. MolluscaBase/WoRMS AphiaID 1422897 accepts Hiona meineckei. Terrestrial land snail; marine restrictions do not apply. Authoritative checklist supports historical Kauai o

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  Hiona milolii

  Hiona milolii

  Bishop Museum Hawaiian checklist reports Hiona milolii for Kauai. MolluscaBase/WoRMS AphiaID 1422843 accepts Hiona milolii. Terrestrial land snail; marine restrictions do not apply. The island checklist and accepted name verify historica

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  Hiona pilsbryi

  Hiona pilsbryi

  Bishop Museum Hawaiian checklist reports Hiona pilsbryi for Kauai. MolluscaBase/WoRMS AphiaID 1422891 accepts Hiona pilsbryi. Terrestrial land snail; marine restrictions do not apply. Authoritative checklist supports historical Kauai occ

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  Hiona wahiawae

  Hiona wahiawae

  Bishop Museum Hawaiian checklist reports Hiona wahiawae for Kauai. MolluscaBase/WoRMS AphiaID 1422892 accepts Hiona wahiawae. Terrestrial land snail; marine restrictions do not apply. Authoritative island checklist and accepted taxonomy

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  Warty Turban

  Homalopoma verruca

  Bishop Museum Technical Report 29 records Homalopoma verruca at Kauai coastal stations; observations from Lawai in 2010 and Kalihiwai in 2024 corroborate persistence. MolluscaBase/WoRMS AphiaID 1643712 accepts Homalopoma verruca. Primary

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  Hypselodoris imperialis

  Hypselodoris imperialis

  Bishop Museum TR29 and Sea Slugs of Hawaii record the species on Kauai; two 2023 Poipu-area observations corroborate. MolluscaBase/WoRMS AphiaID 597869 accepts Hypselodoris imperialis. Expert account reports rocky bottoms at 1-33.5 m, inc

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  Black Purse Shell

  Isognomon californicus

  Bishop Museum TR29 records the taxon at Kauai stations; 2017 Koloa and 2018 Kalihiwai records corroborate, with the Koloa record annotated alive. MolluscaBase/WoRMS AphiaID 1476923 accepts Isognomon californicus. Primary source is a coast

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  Brown Purse Shell

  Isognomon perna

  Bishop Museum TR29 records Isognomon perna at Kauai coastal stations. MolluscaBase/WoRMS AphiaID 208470 accepts Isognomon perna. TR29 is a coastal marine survey within scope; two 2025 Kauai observations are annotated dead and therefore do

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  Jorunna funebris

  Jorunna funebris

  Sea Slugs of Hawaii explicitly includes Kauai and cites a 2016 Lihue photograph; two 2023 Kauai observations corroborate. MolluscaBase/WoRMS AphiaID 534383 accepts Jorunna funebris. Expert account treats the species as a shallow benthic r

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  Julia exquisita

  Julia exquisita

  Sea Slugs of Hawaii cites Alison Kay's live Koloa, Kauai record of 1962 and explicitly includes Kauai; a 2014 Poipu observation corroborates. MolluscaBase/WoRMS AphiaID 215227 accepts Julia exquisita and the expert account discusses histor

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  Julia zebra

  Julia zebra

  Sea Slugs of Hawaii cites an early live Koloa, Kauai record and explicitly includes Kauai; a 2012 Moloaa Beach observation corroborates. MolluscaBase/WoRMS AphiaID 492585 accepts Julia zebra. Expert account reports rocky habitat below 1 m

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  Kellia hawaiensis

  Kellia hawaiensis

  Bishop Museum Technical Report 29 records Kellia hawaiensis at Kauai stations Ka2 and Ka4. MolluscaBase/WoRMS AphiaID 876327 accepts Kellia hawaiensis. The records are from Kauai coastal marine survey stations within nearshore scope. Dir

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  Laevichlamys cuneata

  Laevichlamys cuneata

  Bishop Museum Technical Report 29 records the source name Laevichlamys irregularis at Kauai station Ka4. MolluscaBase/WoRMS AphiaID 393107 accepts Laevichlamys cuneata and supplies the synonym bridge from L. irregularis. Ka4 is a Kauai co

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  Lamarcka ventricosa

  Lamarcka ventricosa

  Bishop Museum Technical Report 29 records the source name Arca ventricosa at Kauai stations Ka1, Ka3, and Ka4. MolluscaBase/WoRMS AphiaID 1549091 accepts Lamarcka ventricosa and provides the bridge from Arca ventricosa. The records are fr

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  Lamellidea cylindrica

  Lamellidea cylindrica

  Bishop Museum checklist reports Kauai subspecific records under Lamellidea cylindrica cylindrica and L. c. kilohanana. MolluscaBase/WoRMS AphiaID 1380921 accepts Lamellidea cylindrica at species rank. Terrestrial land snail; marine restri

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  Lamellidea gayi

  Lamellidea gayi

  Bishop Museum Hawaiian checklist reports Lamellidea gayi for Kauai. MolluscaBase/WoRMS AphiaID 1380926 accepts Lamellidea gayi. Terrestrial land snail; marine restrictions do not apply. Authoritative island checklist and accepted taxonom

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  Lamellidea peponum

  Lamellidea peponum

  Bishop Museum checklist and Occasional Paper 50 report the source name Lamellidea oblonga from Kauai. MolluscaBase Aphia service treats Lamellidea oblonga as a junior subjective synonym of accepted Lamellidea peponum, AphiaID 1380923. Ter

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  Laxisuccinea haena

  Laxisuccinea haena

  Bishop Museum Hawaiian checklist reports Laxisuccinea haena for Kauai. MolluscaBase/WoRMS AphiaID 1375746 accepts Laxisuccinea haena. Terrestrial land snail; marine restrictions do not apply. Authoritative island checklist and accepted t

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  Laxisuccinea libera

  Laxisuccinea libera

  Bishop Museum Hawaiian checklist reports Laxisuccinea libera for Kauai. MolluscaBase/WoRMS AphiaID 1375745 accepts Laxisuccinea libera. Terrestrial land snail; marine restrictions do not apply. Authoritative island checklist and accepted

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  Leiosolenus mucronatus

  Leiosolenus mucronatus

  Bishop Museum Technical Report 29 records the source name Lithophaga fasciola at Kauai stations Ka1 and Ka4. MolluscaBase/WoRMS AphiaID 506071 accepts Leiosolenus mucronatus and supplies the synonym bridge from Lithophaga fasciola. Both r

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  Leptachatina acuminata

  Leptachatina acuminata

  Bishop Museum Hawaiian checklist reports Leptachatina acuminata for Kauai. MolluscaBase/WoRMS AphiaID 1459617 accepts Leptachatina acuminata. Terrestrial land snail; marine restrictions do not apply. Accepted taxon and authoritative isla

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  Leptachatina antiqua

  Leptachatina antiqua

  Bishop Museum Hawaiian checklist reports Leptachatina antiqua for Kauai. MolluscaBase/WoRMS AphiaID 1615884 accepts Leptachatina antiqua. Terrestrial land snail; marine restrictions do not apply. Authoritative checklist and accepted taxo

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  Leptachatina attenuata

  Leptachatina attenuata

  Bishop Museum Hawaiian checklist reports Leptachatina attenuata for Kauai. MolluscaBase/WoRMS AphiaID 1723165 accepts Leptachatina attenuata. Terrestrial land snail; marine restrictions do not apply. Authoritative island checklist and ac

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  Leptachatina balteata

  Leptachatina balteata

  Bishop Museum Hawaiian checklist reports Leptachatina balteata for Kauai. MolluscaBase/WoRMS AphiaID 1615880 accepts Leptachatina balteata. Terrestrial land snail; marine restrictions do not apply. Authoritative island checklist and acce

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  Leptachatina brevicula

  Leptachatina brevicula

  Bishop Museum Hawaii Biological Survey freshwater and terrestrial mollusk checklist explicitly lists Kauai in the island distribution. MolluscaBase/WoRMS AphiaID 1723171 treats Leptachatina brevicula as an accepted terrestrial species; an

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  Leptachatina costulosa

  Leptachatina costulosa

  Bishop Museum HBS explicitly lists Kauai, and the MNHN type catalogue gives Kauaʻi as the type locality for lectotype MNHN-IM-2000-30821. MNHN preserves the Pease 1870 name and type; the input lacks an inspected current accepted-name recor

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  Leptachatina cuneata

  Leptachatina cuneata

  Bishop Museum HBS explicitly lists Kauai; Régnier et al. (2015) explicitly reports this species among extant Amastridae recorded during recent field work on Kauai. MolluscaBase/WoRMS AphiaID 1723538 treats Leptachatina cuneata as an accept

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  Leptachatina cylindrata

  Leptachatina cylindrata

  Bishop Museum HBS explicitly lists Kauai; Régnier et al. (2015) explicitly reports this species among extant Amastridae recorded during recent field work on Kauai. MolluscaBase/WoRMS AphiaID 1723540 treats Leptachatina cylindrata as an acc

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  Leptachatina deceptor

  Leptachatina deceptor

  Bishop Museum Hawaii Biological Survey freshwater and terrestrial mollusk checklist explicitly lists Kauai in the island distribution. MolluscaBase/WoRMS AphiaID 1723999 treats Leptachatina deceptor as an accepted terrestrial species; an H

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  Leptachatina extensa

  Leptachatina extensa

  Bishop Museum Hawaii Biological Survey freshwater and terrestrial mollusk checklist explicitly lists Kauai in the island distribution. MolluscaBase/WoRMS AphiaID 1615882 treats Leptachatina extensa as an accepted terrestrial species; an HB

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  Leptachatina fossilis

  Leptachatina fossilis

  Bishop Museum Hawaii Biological Survey freshwater and terrestrial mollusk checklist explicitly lists Kauai in the island distribution. MolluscaBase/WoRMS AphiaID 1722871 treats Leptachatina fossilis as an accepted terrestrial species; an H

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  Leptachatina fraterna

  Leptachatina fraterna

  Bishop Museum Hawaii Biological Survey freshwater and terrestrial mollusk checklist explicitly lists Kauai in the island distribution. MolluscaBase/WoRMS AphiaID 1722883 treats Leptachatina fraterna as an accepted terrestrial species; an H

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  Leptachatina gayi

  Leptachatina gayi

  Bishop Museum Hawaii Biological Survey freshwater and terrestrial mollusk checklist explicitly lists Kauai in the island distribution. MolluscaBase/WoRMS AphiaID 1724178 treats Leptachatina gayi as an accepted terrestrial species; an HBS i