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.
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References in periodicals archive ?
Evaluation of the mortality of the control test for Artemia salina Control Reagents Mortality Blank 1 Saline solution All active larvae Blank 2 Saline solution + tween 80 a 0.1% All active larvae Table 4.
Box plots of Artemia salina mortality after 24-hour exposure to each treatment (control, methanol, and Pheucticus chrysopeplus feather extract).
Determination of 54 pesticides in waters of the Iberian Douro River estuary and risk assessment of environmentally relevant mixtures using theoretical approaches and Artemia salina and Daphnia magna bioassays.
mutans by selected Streptomyces and %mortality of larvae of Artemia salina (cytotoxicity assay).
TABLA I ESQUEMA DE ALIMENTACION PARA ACONDICIONAMIENTO PROGRESIVO A DIETA SECA COMERCIAL DE LARVAS CAPAZ (Pimelodus grosskopfii) Semana Hora de alimentacion Proporcion higado/ 08:00 11:00 2:00 6:00 dieta seca 1 AP DH AP AP 80:20 2 AP DH AP DH 60:40 3 AP DS DS DS 40:60 4 DH DS DS DS 20:80 5 DS DS DS DS 00:100 AP: dieta viva (Artemia salina), DH: dieta humeda (mezcla de higado con dieta seca), DS: dieta seca (alimento balanceado comercial 45% proteina).
Lima et al., "Phytochemical study and toxicological bioassay against larvae of Artemia salina Leach.
Evaluation of Toxicity against Artemia salina. According to Silva et al.
Activity--guided isolation of constituents of Unonopsis Lindmanii-Annonaceae, based on the brine shrimp lethality bioassay Artemia salina Leach.
Keywords: Seaweed extract, Larvicidal effect, Artemia salina, Enteromorpha linza, Gelidium amansii.
Toxicity of the extracts was evaluated through brine shrimp lethality test using Artemia salina Leach as the test organism [8].
Lima e Silva et al., "Estudo fitoquimico e bioensaio toxicolagico frente a larvas de Artemia salina Leach.