Thysanoessa gregaria

Taxon-Order: 

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Distribution: 
Occurs in the North and South Pacific, central and South Atlantic.
Habitat: 
Appears not to migrate vertically; usually in 0-150 m stratum day and night in the cooler part of the California Current.
Size: 
7 - 13 mm
Diet: 
Microplankton.
Predators: 
Important prey for fish, birds and whales.
Useful Facts or Characters: 

Eyes are bilobed, with the upper lobe about half the width of the lower lobe.

Natural History: 

This species has not been found in the Gulf of California.