Charybdea bitentaculata Quoy and Gaimard, 1833.
OTHER COMMON NAMES None known.
Umbrella up to 0.4 in (12 mm) wide, usually much smaller, rounded apex, keel-shaped along the axis leading to tentacles, apical mesoglea very thick, lateral walls thin; velum well developed; manubrium short, lenticular, with eight rectangular manubrial pouches with rounded edges; mouth circular, simple; two long, tapering, opposite tentacles issuing from umbrella above manubrium, near apex; gonads in subumbrellar wall, under manubrial pouches; four peronia in deep grooves; no peripheral system or otoporpae; 8-32 statocysts. Monotypic genus.
Widely distributed in all oceans and in the Mediterranean. (Specific distribution map not available.)
From surface to bathypelagic zone.
Often parasitized by larvae of another Narcomedusae, Cunina peregrine.
FEEDING ECOLOGY AND DIET Small planktonic animals.
Dioecious, sex cells released in sea water, direct development.
Not listed by the IUCN.
SIGNIFICANCE TO HUMANS None known. ♦
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