Kauaʻi Conservation Atlas

Kauaʻi record · KCA-MOL-00051

Leaf Sheep

Costasiella kuroshimae

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Leaf Sheep — source-informed Atlas ecological reconstruction; not a specimen photograph or evidence of current abundance.
Leaf Sheep — source-informed Atlas ecological reconstruction; not a specimen photograph or evidence of current abundance. · Kauaʻi Conservation Atlas · Kauaʻi Conservation Atlas community media · Image source

About Leaf Sheep

Sea Slugs of Hawaii explicitly includes Kauai; iNaturalist observation 244845095 is tagged Kauai County but mapped inland and is not relied on alone.

WoRMS AphiaID 494655 lists Costasiella kuroshimae as accepted; expert account notes possible species-complex uncertainty outside Hawaiʻi but states Hawaiian animals closely match the original description.

Expert account reports animals on Avrainvillea erecta mainly at 7-34 m, rarely <3 m, within nearshore scope.

Authoritative expert distribution and habitat pass; classify historical/yellow because the available modern point is terrestrial and species-complex caution remains.

Names and classification

Scientific name
Costasiella kuroshimae
Common names
Leaf Sheep
Other names
Costasiella kuroshimae
Record type
species

Kauaʻi occurrence and status

Kauaʻi occurrence
Expert island occurrence verified; exact current Kauaʻi specimen metadata remain incomplete.
Origin
Origin not inferred from occurrence census
Conservation status
Not assessed
Evidence limits
Occurrence category and evidence are source-bounded. Abundance, trend, and living status are not inferred beyond the reviewed evidence.

Habitat and ecology

Habitats
Marine reef and nearshore

Process and seasonal context

Seasonal description
Costasiella kuroshimae is included in the verified Kauaʻi mollusk census. Authoritative expert distribution and habitat pass; classify historical/yellow because the available modern point is terrestrial and species-complex caution remains.

Sources and further reading

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