Acartia (Acartia) danae

Taxon-Order: 

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Distribution: 
Cosmopolitan, tropical and temperate
Size: 
Female 1.3-1.5 mm; male 1.0-1.1 mm
Diet: 
Omnivorous.
Predators: 
Fish and others.
Useful Facts or Characters: 

Corners of the last thoracic segment bear large spines.

Natural History: 

Widespread in the California Current System.