Kauaʻi Conservation Atlas

Kauaʻi record · KCA-BCM-00007

Violet Spiny Oyster

Spondylus violacescens

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Violet Spiny Oyster — Atlas scientific reconstruction based on reviewed morphology evidence; not a specimen photograph or population claim.
Violet Spiny Oyster — Atlas scientific reconstruction based on reviewed morphology evidence; not a specimen photograph or population claim. · Kauaʻi Conservation Atlas · Kauaʻi Conservation Atlas community media · Image source

Occurrence evidence

TR29a appendix and NOAA HCRI reef report both record Spondylus violacescens from Kauaʻi stations/surveys.

Names and classification

Scientific name
Spondylus violacescens
Common names
Violet spiny oyster · thorny oyster
Family
Spondylidae
Order
Pectinida

Kauaʻi occurrence and status

Kauaʻi occurrence
Verified 2002 and HCRI-era occurrence; no recent authoritative record inspected.
Origin
Indigenous
Conservation status
Not assessed
Evidence date
2026-10-01
Evidence limits
Historical direct evidence strong; current status unresolved.

Habitat and ecology

Habitats
Marine reef and nearshore

Process and seasonal context

Seasonal description
A spiny oyster recorded at three Kauaʻi stations in Bishop Museum's nearshore assessment. It is retained as a verified historical Kauaʻi occurrence.

Sources and further reading

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