Pinna atropurpurea Sowerby I, 1825
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Family:  Pinnidae (pen shells)
Max. size: 
Environment:  benthic; marine
Distribution:  Northwest Pacific: Hong Kong.
Diagnosis:   
Biology:  Intertidal to subtidal, on sandy to muddy substrates (Ref. 75840). Found burried in mud, sometimes left half-exposed during low tide (Ref. 125338).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:  Known from Tai Tam Bay. Considered a delicacy, usually cropped when found (Ref. 125338). Also known from Tolo Harbour and Nai Chung (Ref. 75840). C: Refs. 75840, 125338.

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