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 ?
For many people, the hopes of improving fisheries with mysis shrimp appeared to be underway in the 1970s.
This might not have been a problem if the kokanee could then eat the mysis shrimp. But while both mysis shrimp and kokanee lived in the open waters of lakes, kokanee fed by light near the surface whereas mysis avoided light only coming near the surface at night (Table 2).
Over the next few years, the population of mysis shrimp in the lake exploded, destroying the kokanee fishery--the most important fishery in the region.
Moreover, in the case of mysis shrimp, the bigger issue was the problem of lost and unsystematised knowledge rather than the problem of knowledge evaluation.
Alongside these classic biocontrol stories, the authors used the story of mysis shrimp as an example of the 'dramatic' effects that introductions could have on entire ecosystems.
In this article, 'mysis shrimp', 'mysids' and 'Mysis relicta' includes diluviana and relicta.
'Plant Shrimp in Whitefish lake', Whitefish Pilot, 20 June 1968; 'Mysis Shrimp', Daily Inter Lake, 30 June 1968, 13; Robert Domrose, 'Mysis Introductions into Western Montana Lakes' (Helena: MT FWP, 1982), Mansfield Special Collections, University of Montana.