mysis


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mysis

[′mī·səs]
(invertebrate zoology)
A larva of certain higher crustaceans, characterized by biramous thoracic appendages.
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After the nauplii metamorphized to mysis stage, water samples (1 L) were collected from the upper, center and bottom of the barrels.
These freshwater mysis shrimp, harvested from the glacier-fed waters of Lake Okanagan, make them ideal for most large marine fish.
Hatched larvae pass through six nauplii stages, three zoea stages, and three mysis stages until reaching the postlarval stage (Hudinaga 1942).
Planktivory in the changing Lake Huron zooplankton community: Bythotrephes consumption exceeds that of Mysis and fish.
During the migration from ocean to estuary, the mysis larvae shrimp mature to a postlarvae stage.
John Janssen, professor of fish ecology at the University of Wisconsin-Milwaukee, noted that although these deep reefs are always cold and see little light, their topography concentrates zooplankton that are either swept by currents across the rocky surfaces or migrate downward during the day, typical of zooplankton such as Mysis, which would concentrate them on the reefs.
These cells migrate to a dorsolateral position in naupliar and zoeal stages, and gradually enter the genital ridge at the mysis 1 stage.
All Cirripedia, barnacles 2 All Mysidae Mysis oculata Neomysis rayii Neomysis spp.
The highest [LC.sub.50] value was 2.113 mg [L.sup.-1] in the phase of mysis III, and the lowest [LC.sub.50] value was 0.535 mg [L.sup.-1] in the phase of 6 cm.
A generic key to the protozoean, mysis, and postlarval stages of the littoral penaeidae of the northwestern Gulf of Mexico.
Fish were fed two times daily with frozen Mysis shrimp (Piscine Energetics, Canada) and maintained on a constant photo/thermal cycle (14L/10D at 26 [degrees]C) to initiate reproduction.
Luis Villasenor IE (2003) Cultivos de larvas mysis de Litopenaeus vannamei con el rotifero Brachionus plicatilis alimentadas con dos especies de diatomeas.