Catablema vesicarium (Agassiz, 1862)
Constricted jellyfish
Constricted jellyfish,  Constricted jellyfish
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Family:  Pandeidae ()
Max. size:  2.5 cm WD (male/unsexed)
Environment:  pelagic-neritic; marine; depth range 0 - 20 m
Distribution:  Northern Atlantic, Northern Pacific and the Arctic. Mostly polar, but also in subtropical and boreal.
Diagnosis:   
Biology:  This is a neritic (Ref. 119480), meroplanktonic species (Ref. 120471).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:  Known from all waters west of the eastern end of Hudson Strait including Hudson Bay, Ungava Bay, Frobisher bay and Cumberland Sound (Ref. 1663, p. 1). C: Refs. 1663, 116516.

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