Home|Search|Identify|Taxonomic tree|Quiz|About this site|Feedback
Developed by ETI BioInformatics
Characteristics, distribution and ecology
Taxonomische classification
Synonyms and common names
Literature references
Images, audio and video
Links to other Web sites

(O.F. Müller, 1776)

Umbrella tall thimble-shaped with small conical apical projection [A.digitale-habitus]; jelly thin; subumbrellar muscles strong; velum broad and well-developed. Eight straight radial canals an ring canal narrow.
Gastric peduncle slender, almost as long as bell cavity; manubrium small; mouth with four simple lips.
Gonads long, sausage-shaped, suspended from radial canals near base of peduncle [A.digitale-gonads ].
A single row of 80 or more solid smooth marginal tentacles, all alike. Eight free club-shaped marginal statocysts, each situated midway between adjacent radial canals on inner side of ring canal.
Young specimens: A.digitale-young-habitus

Umbrella10-40 mm high and about half as wide as high.

Pink of varying degrees.

Ecology and depth range
Holopelagic; epi- to bathypelagic. Vertical distribution extensive, though rare in the uppermost surface layers and very deep water; in the southernmost area of distribution on the northern hemisphere, it occurs only in the intermediate and deep strata.

Distribution in the North Sea
North Sea, Skagerrak.

World distribution
W South Atlantic; North Atlantic; Arctic; Indo-Pacific.

Polyp stage absent.

[After Russell, 1953a; Russell, 1981a; Kramp, 1959; Bouillon, 1999]

Aglantha digitale