Retrotapes exalbidus (Dillwyn, 1817)
ring clam
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Family:  Veneridae (venus clams)
Max. size:  7 cm DL (male/unsexed)
Environment:  benthic; marine; depth range 5 - 150 m
Distribution:  Southwest Atlantic and Southeast Pacific.
Biology:  It is an infaunal species, found at depths of 5 to 150 m on sandy and muddy substrates. Gonochoric species with free-living larvae (Ref. 87801). 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: Not Evaluated (N.E.) Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Dar, Christine - 03.09.09
Modified by: Polido, Rubyann Robelle - 11.10.18
Checked by: Rosenberg, Gary - 12.08.11

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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