No common name

Solmundella bitentaculata

ORDER

Narcomedusa

FAMILY

Aeginidae

TAXONOMY

Charybdea bitentaculata Quoy and Gaimard, 1833.

OTHER COMMON NAMES None known.

PHYSICAL CHARACTERISTICS

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.

DISTRIBUTION

Widely distributed in all oceans and in the Mediterranean. (Specific distribution map not available.)

HABITAT

From surface to bathypelagic zone.

BEHAVIOR

Often parasitized by larvae of another Narcomedusae, Cunina peregrine.

FEEDING ECOLOGY AND DIET Small planktonic animals.

REPRODUCTIVE BIOLOGY

Dioecious, sex cells released in sea water, direct development.

CONSERVATION STATUS

Not listed by the IUCN.

SIGNIFICANCE TO HUMANS None known. ♦

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