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Decatopecten radula   (Linnaeus, 1758)

flatribbed scallop

Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Decatopecten radula   AquaMaps   Data sources: GBIF OBIS
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Image of Decatopecten radula (flatribbed scallop)
Picture by Coltro, Marcus

Classification Common names | Synonyms | CoL | ITIS | WoRMS

Bivalvia | Ostreoida | Pectinidae

Main reference References | Biblio | Coordinator | Collaborators

Poutiers, J.M. 1998. (Ref. 348)

Size / Weight / Age

Max length : 9.5 cm male/unsexed; (Ref. 348); common length : 7.0 cm male/unsexed; (Ref. 348)

Environment

Benthic; depth range 0 - 20 m (Ref. 348)

Climate / Range

Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-West Pacific: from India to Melanesia; north Japan and south to Queensland and New Caledonia.

Short description

Shell solid, medium sized, higher than long, elongate-ovate in outline. Both valves convex, the right (lower) valve more inflated than the left (upper) valve. Ears subequal in size and shape. Right anterior ear with a slight byssal notch anteroventrally, devoid of ctenolium. Outer sculpture of about 10 or 11 rounded radial folds (9 to 13) on each valve, with numerous, much smaller, secondary radial riblets that are set with densely and finely imbricated transverse scales, giving a rather strongly scabrous aspect. Surface of ears with distinct radial ridges (more developed on right anterior ear). Hinge line quite long, about 2/3 of shell length, with shallow marginal ridges. Interior of valves shiny, with a flattened radial sculpture corresponding with the outer folds. Colour: outside of shell off-white to interior satin white, with dark brown on the hinge line.

Biology     Glossary (e.g. epibenthic)

Attached to rock, coral and other hard objects. Common on coarse sand in coral reef areas. Intertidal and shallow subtidal waters (Ref. 348). 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)

Not Evaluated

Threat to humans

  Harmless

Human uses


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More information

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References
Mass conversion

Internet sources

BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | ispecies | National databases | PubMed | Scirus | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimation of some characteristics with mathematical models

Vulnerability (Ref. 71543)
Low vulnerability (10 of 100)
Price category (Ref. 80766)
Medium