Maldives Marine Life

Marine life of Maldivian waters

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Giant honeycomb oyster
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Photo: Frédéric Ducarme / Wikimedia Commons, CC BY-SA 4.0 (view on Wikimedia Commons)

Giant honeycomb oyster

Hyotissa hyotis

Valid name (WoRMS, AphiaID 216636, checked 2026-10-31).

English
Giant honeycomb oyster
Scientific
Hyotissa hyotis
Dhivehi
No recorded Dhivehi name
Group
Clams and other bivalves
Family
Gryphaeidae (honeycomb oysters)
Maximum size
Up to about 30 cm (length)
Depth and habitat
Sea floor (benthic), recorded from 0 to 50 m
IUCN status
NE · Not EvaluatedNot Evaluated (NE)

Description

The giant honeycomb oyster is a large, heavy oyster with a ruffled, lobed shell, usually overgrown with sponges and other life, attached to reef walls and slopes.

In the Maldives

Recorded from the Maldives: museum specimens (n=9); iNaturalist research-grade observations in the Maldives (n=11, 10 observers).

Sources

Dhivehi name source: No species-level Dhivehi name found in Dhivehi Wikipedia, SeaLifeBase (country: Maldives) or MRS/MMRI invertebrate publications.