Buccinum undatum Linnaeus, 1758
Waved whelk
Buccinum undatum
photo by Harvey-Clark, Chris

Family:  Buccinidae (buccinum whelks)
Max. size:  10.16 cm SHL (male/unsexed)
Environment:  benthic; marine; depth range 0 - 600 m
Distribution:  Arctic, Northern Atlantic and the Mediterranean: Canadian Arctic Archipelago and the Atlantic Ocean. Temperate to polar climates.
Diagnosis:  Shell: not very thick, solid, conical spire, generally high, sometimes rather flattened spires, very convex whorls and markedly impressed suture; ovoidal aperture, outer lip is not thickened or toothed, lacks inner folds; columellar lip has a fairly striking callus, partly adheres to the ventral surface of the body whorl; sculpture has almost equidistant spiral grooves and quite big axial ribs that tend to fade at the edge of the body whorl and are generally sinous; yellowish white or light hazel in color; periostracum is light chestnut in color and not very resistant; operculum is horny, smaller than the aperture, has a central nucleus. Body: large foot, whole body cream with blackish patches; head has a pair of tentacles with an eye at the base of each, long proboscis; well-developed siphon; radula is rachnioglossan.
Biology:  Maximum depth from Ref. 106864. Common in the continental shelf (Ref. 106864). Common in the subtidal to 200 m depth in the northern Atlantic (Ref. 78657). Usually found on hard bottoms (Ref. 95730), as well as soft bottoms from 5 to 600 m (Ref. 106864). Also found to occur in areas with sludge (Ref. 96352). Relatively sedentary (Ref. 106864). It is a necrophagous, scavenger species (Ref. 96498). Feeds on polychaetes, molluscs, echinoderms and other smaller crustaceans (Ref. 106864). Also found in mud, sand, gravel and rocks (Ref. 78654).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   

Entered by: Palomares, Maria Lourdes D. - 11.12.05
Modified by: Polido, Rubyann Robelle - 04.03.16
Checked by: Rosenberg, Gary - 12.08.11

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