Mysidacea

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Mysidacea

[‚mī·sə′dās·ē·ə]
(invertebrate zoology)
An order of free-swimming Crustacea included in the division Pericarida; adult consists of 19 somites, each bearing one pair of functionally modified, biramous appendages, and the carapace envelops most of the thorax and is fused dorsally with up to four of the anterior thoracic segments.
References in periodicals archive ?
An extreme abbreviated case is found in the nicothoid Neomysidion raholsu Ohtsuka, Boxshall and Harada, 2005 infecting mysids, in which only two stages are known: one copepodid stage for dispersal and infection, and the reproductive adult (Ohtsuka et al.
Because the mysid effects were fresh, well-documented and dramatic, the OTA used them as a cautionary tale of the far-reaching effects of invasive species.
Young croakers have been reported to feed on copepods, mysids and polychaete worms, and larger individuals feed principally on macrocrustaceans (shrimps and crabs), mollusks (snails and bivalves), and fish (Sheridan 1979; Sheridan et al.
Louisiana sweet crude was more toxic to mysid shrimp than the eight dispersants, when tested alone.
Based on an analysis of stomach contents from all three species, it appears that mysid shrimp were distributed across the three habitats in relatively high abundances and that decapod shrimp and polychaete worms were present in the three habitats in varying abundance at the time of sampling.
These crustaceans, called mysid shrimp, normally live in rivers near the western coast of the Caspian Sea in eastern Europe.
Under magnification, the half-inch-long animals appeared to be crustaceans known as mysid shrimp.
After the first larval transformation, the mysid and zoea stages have to be fed with live Artemia franciscana nauplii.
Most species at these depths are black or red in color due to the lack of light (like the red mysid shrimp).