Mysidacea

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Related to Mysids: Opossum shrimps

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 ?
A new nicothoid copepod parasitic on mysids from northwestern North America.
Newly hatched cuttlefish attack particular prey, such as mysid shrimp, with defined actions soon after hatching; therefore, hunting behavior via tentacular strike is considered innate (Wells, 1958, 1962).
Although we saw large numbers of small (<20 mm FL) bay anchovy in the shore zone during the day, larger individuals (mean: ~60 mm FL) were more dense in the shore zone at night, possibly as a response to both increased foraging opportunity on mysid shrimp, a staple of their diet (Hartman et al., 2004), and because of reduced avian predation.
Larkin's 1946 thesis had investigated the ecology of mysids in northwestern Canada, and he eagerly leveraged this knowledge into practical applications.
The sympod on the antennules of adult males was characterized development of soft sensory setae (see both species, after attaining size 6.0 mm, the immature males mysids, less than 5 mm in size lacked the setae.
The EPA is considering using mysids in its Endocrine Disruptor Screening Program as a model invertebrate species to test for the toxic effects of chemicals, Meiller said.
The diet of Bairdiella chrysoura was dominated by mysids, decapod shrimp, and fish, with slight differences between habitats.
His current hypothesis is that the once--thriving mysids need some time to recover before their chief predators can return.
piscicida and Vibrio spp., have been reported in association with aggregation and mortalities of penaeid shrimp zoeae and mysids in culture conditions [4, 6, 33].
Indeed, mysids and daphnids, like many other arthropods, have a specific hormone regulation for growth and reproduction, namely the ecdysteroid system (54).
Behind the scenes, a scientist checks on some giant red mysids (MY-sids)- -a kind of shrimp.