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 ?
2013 in Esker Creek and Grand Wash River, and 2012 salmon run data, coho salmon, Pacific tomcod, snake prickleback, northern rock sole, crangon shrimp, pink shrimp, mysids, and dungeness crab were identified as potential prey species for Yakutat beluga.
These samples contained only few or no mysids, possibly due to low contained drastically low number of mysids; as a result a different collection method was employed using hand held kicknet (50 x 25 cm mouth area, and 1 mm mesh openings).
Larvae feed on zooplankton, fish eggs and invertebrates; postlarvae and juveniles consume copepods, nematodes and polychaete worms; and adults consume mostly amphipods, polychaetes, mysid shrimp, and mollusks (Roelofs 1954; Parker 1971; Sheridan 1979; Hodson et al.
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.
Isopods and mysids come swarming to the illuminating circles
have been reported in association with aggregation and mortalities of penaeid shrimp zoeae and mysids in culture conditions [4, 6, 33].
The advantages are that mysids have been widely used in regulatory ecotoxicology, they are a sexually dimorphic species, and there is an extensive reference database on reproductive toxicity to this species.
Behind the scenes, a scientist checks on some giant red mysids (MY-sids)- -a kind of shrimp.