Bivalvia | Veneroida
SAUP Database. 2006. (Ref. 356)
Size / Weight / Age
Max length : 8.0 cm SHL male/unsexed; (Ref. 101438)
Benthic; depth range 6 - 8 m (Ref. 113273)
Climate / Range
Temperate; 33°S - 48°S, 166°E - 175°W
Southwest Pacific: Endemic to New Zealand. Also found in Chatham Island.
Intertidal, common near the mouths of estuaries. Inhabits coarser sediments. Suspension feeder with short siphons, living near the sediment surface (Ref. 106920). Members of the class Bivalvia are mostly gonochoric, some are protandric hermaphrodites. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
FAO(fisheries: production) | FisheriesWiki | Sea Around Us
Estimation of some characteristics with mathematical models