Muggiaea atlantica
Distribution:
Pacific ocean, Atlantic ocean and the Mediterranean Sea.
Habitat:
Neritic, nearshore.
Size:
Anterior nectophore up to 11 mm in height.
Diet:
Small crustaceans, mostly copepods.
Useful Facts or Characters:
The anterior nectophore (swimming bell) has five complete longitudinal ridges. The somatocyst extends to 4/5 the length of the nectophore and the hydroecium extends to 3/10 the length of the nectophore.
Natural History:
Can be very common in shallow waters.
References:
http://siphonophores.org/SiphOrganization.php
Mapstone, G.M. (2009) Siphonophora (Cnidaria: Hydrozoa) of Canadian Pacific Waters. Canadian Science Publishing, NRC Research Press, Ottawa.