Best Trachymedusae
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Colobonema sericeum is a deep-sea hydromedusa in the order Trachymedusae, occurring in the dim mesopelagic waters of the ocean. When disturbed, it can detach luminous portions of its tentacles, leaving glowing fragments behind while the animal moves away. This combination of bioluminescence and auto...
A trachymedusa of warm Atlantic and Mediterranean waters, notable for an exceptionally long manubrium (proboscis) that extends well beyond the bell margin.
Aglaura hemistoma is a minute trachymedusa jellyfish among the smallest known medusae, and a common holoplanktonic species of tropical and subtropical open oceans.
A trachymedusa hydromedusa of tropical and subtropical oceanic waters, characterized by its prominent velum and membership in family Rhopalonematidae.
A deep-sea scyphozoan found in cold polar and subpolar waters of both hemispheres, representing the family Ptychogastriidae within order Semaeostomeae.
A trachymedusa hydromedusa found in deep Arctic and subarctic ocean waters, one of the larger species in family Rhopalonematidae adapted to cold environments.
A deep-sea hydromedusa named after Scottish naturalist and Antarctic explorer William Speirs Bruce, collected during early 20th-century polar oceanographic surveys.
A small oceanic trachymedusa found in warm seas worldwide, closely related to Liriope tetraphylla and distinguished by its comparatively wider bell.
A mesopelagic trachymedusa found in tropical and subtropical oceanic waters, recognized by its broad gastric peduncle and relatively wide bell.
A small deep-sea hydromedusa in family Halicreatidae found in mesopelagic and bathypelagic zones of tropical and subtropical oceans worldwide.
