brine shrimp

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Related to Artemia salina: Triops

brine shrimp,

common name for a primitive crustaceancrustacean
, primarily aquatic arthropod of the subphylum Crustacea. Most of the 44,000 crustacean species are marine, but there are many freshwater forms. The few groups that inhabit terrestrial areas have not been particularly successful in an evolutionary sense; most require
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 that seldom reaches more than 1-2 in. (1.3 cm) in length and is commonly used for fish food in aquariums. Brine shrimp, which are not closely related to true shrimp, can be found almost everywhere in the world in inland saltwaters, although they are completely absent from oceans. They can live in water having several times the salinity of seawater, but they can also tolerate water having only one tenth the marine salt concentration. Brine shrimp usually occur in huge numbers and can be seen in vast windblown lines in the Great Salt Lake. Their absence from the sea has been explained by their vulnerability to attack by predators and the absence of the latter in their inland saline habitat. Although brine shrimp are considered to be members of a single genus, Artemis, and possibly a single species, there are several varieties. Generally, they have stalked, compound eyes and tapered bodies with a trunk that bears 11 pairs of leaflike legs. Females have a brood pouch from which active young are liberated under favorable conditions. Otherwise eggs are laid parthenogenetically (unfertilized by sperm) or fertilized and can either hatch immediately or be dried and remain viable for many years. These eggs are remarkably resistant to adverse environmental conditions, which is why they can be hatched so easily in saltwater and used for fish food; adult brine shrimp are also used as food in aquariums and are generally sold frozen. Brine shrimp are classified in the phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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, subphylum Crustacea, class Branchiopoda, order Anostraca.
References in periodicals archive ?
CUADRO 1 Evaluacion in vitro de la actividad tripanosomicida de los extractos metanolicos de plantas y su toxicidad en modelo de Artemia salina TABLE 1 In vitro assessment of the trypanosomicidal activity of metanolic extracts from four plants and toxicity assay in a model of Artemia salina Especie de planta Parte Trypanosoma cruzi estudiada % inhibicion [CI.
Activity--guided isolation of constituents of Unonopsis Lindmanii-Annonaceae, based on the brine shrimp lethality bioassay Artemia salina Leach.
Brine shrimp lethality assay: An assay was conducted to determine the toxic effects of seaweed extracts on Artemia salina nauplii larvae using the methods described in Milhem et al.
Based on these aspects, this work aimed the production of eugenyl acetate by enzymatic esterification of clove essential oil, and the investigation of toxic potential against the microcrustacean Artemia salina of clove essential oil (Caryophylins aromaticus) before and after the enzymatic esterification, in order to provide toxicity information for future applications thereof.
The biotoxicity experiment was carried out to detect the toxicity of different EtOAc crude concentrations (ranging from 100 to 4000 pg/ml) using Artemia salina as biomarker.
The artificial contamination of the tank with Artemia salina by reference strains of E.
Fusaproliferin production by Fusarium subglutinans and its toxicity to Artemia salina, SF-9 insect cells, and IARC/LCL 171 Human B Lymphocytes.
Results: About 50% of the extracts evaluated against Artemia salina exhibited LC50 values of less than or equal to 200 [micro]g/mL.
Se realizo la caracterizacion de biocompatibilidad a cinco materiales de aplicaciones odontologicas, utilizando una prueba de citotoxicidad con larvas de camaron Artemia salina.
General toxic property of the plant extract and its different fractions against Artemia salina was determined in a 1-day in vivo assay.
2009) evaluated the ethanolic extract obtained from the leaves and observed moderate activity against Plasmodium falciparum (clone W2) and low toxicity to Artemia salina.
The taxonomic study of Artemia populations in the Western Old World, including Italy, the South of France and the Iberian Peninsula (Spain and Portugal), together with North Africa, is interesting owing to the presence of the Mediterranean bisexual Artemia salina (L.