Comparison of the diameter of the frontal knobs in Artemia urmiana Günther, 1899 (Anostraca)

Asem, Alireza; Ríos, Patricio De los

doi:10.1163/156854008x361058

Cited by 4 publications

(1 citation statement)

References 14 publications

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“…Furthermore, there are no taxonomic identification keys for the genus due to a lack of reliable morphological characters, so different methods have been used for species characterization. The most relevant methods are comparison of biometric characteristics, electrophoretic patterns of different allozymes, cross-fertility tests and microscopic survey of the morphology such as frontal knob and gonopod (Abreu-Grobois & Beardmore, 1982;Mura, 1990;Hontoria & Amat, 1992;Triantaphyllidis et al, 1997;De los Ríos & Zúñiga, 2000;Torrentera & Belk, 2002;De los Ríos & Asem, 2008).…”

Section: Notementioning

confidence: 99%

The genus Artemia Leach, 1819 (Crustacea: Branchiopoda). I. True and false taxonomical descriptions

Asem¹,

Rastegar–Pouyani²,

Ríos-Escalante³

2011

Lat. Am. J. Aquat. Res.

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Section: Notementioning

confidence: 99%

The genus Artemia Leach, 1819 (Crustacea: Branchiopoda). I. True and false taxonomical descriptions

Asem¹,

Rastegar–Pouyani²,

Ríos-Escalante³

2011

Lat. Am. J. Aquat. Res.

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Species Diversity and Distribution of Artemia (Crustacea, Anostraca) in Iran: Historical Contexts and Updated Review

Asem,

Eimanifar,

Wink

2024

zoodiversity

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In light of the pivotal role of Artemia Leach, 1819 as food in larviculture and fisheries, it becomes imperative to continually reassess its resources and deepen our understanding of its species diversity. Such efforts are essential for the effective management of its commercial exploitation and the promotion of sustainable aquaculture activities. Here we present a comprehensive review of historical documents dating back to the X century and contemporary scholarly articles. The findings indicate the existence of 59 sites (natural resources and farming sites) across Iran where Artemia has been recorded. This is a significant increase from the 23 reported in the last checklist in 2016. The data indicate that regional A. urmiana Günther, 1899 occurrences warrant classification as “Critically Endangered” on the “Regional Red List” of Iran. Remarkably, apparently the Bazangan Lake has a natural population of Artemia, probably a consequence of climatic change. We highlight the threat posed to Artemia species diversity by the invasive American brine shrimp A. franciscana Kellogg, 1906, noting its presence in 12 locations compared to 7 in 2016. Preliminary studies suggest that the indigenous parthenogenetic Artemia lineages in Iran exhibit superior production potential when compared to both A. franciscana and the native A. urmiana. In light of these findings, the study recommends prioritizing the utilization of native parthenogenetic Artemia in aquaculture, to conserve Artemia biodiversity.

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Morphometric differences in two calanoid sibling species, Boeckella gracilipes and B. titicacae (Crustacea, Copepoda)

Escalante

2012

Iheringia, Sér. Zool.

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ABSTRACT. Calanoid copepods are abundant in South American inland waters and include widespread species, such as Boeckella gracilipes (Daday, 1902), which occurs from the Ecuador to Tierra del Fuego Island. This species occurs under various environmental conditions, and is found in oligotrophic lakes in Patagonia (39-54°S) and in shallow mountain lakes north of 39°S. The aim of the present study is to conduct a morphometric comparison of male specimens of B. titicacae collected in Titicaca and B. gracilipes collected in Riñihue lakes, with a third population of B. gracilipes collected in shallow ponds in Salar de Surire. Titicaca and Riñihue lakes are stable environments, whereas Salar de Surire is an extreme environment. These ponds present an extreme environment due to high exposure to solar radiation and high salinity levels. The results of the study revealed differences among the three populations. These results agree well with systematic descriptions in the literature on differences between the populations of Titicaca and Riñihue lakes, and population of Salar de Surire differs slightly from the other two populations. It is probable that the differences between the population of Salar de Surire and the other two populations result from the extreme environment in Salar de Surire. High exposure to solar radiation, high salinity and extreme variations in temperature enhance genetic variations that are consequently expressed in morphology. KEYWORDS.Boeckella; fifth thoracopods; morphology; populations. RESUMEN. Diferencias morfométricas en dos especies hermanas Boeckella gracilipes y Boeckella titicacae (Crustacea, Copepoda).Los copépodos calanoideos son abundantes en aguas continentales sudamericanas e incluyen especies de amplia distribución geográfica como Boeckella gracilipes (Daday, 1902) que se encuentra desde Ecuador hasta la isla de Tierra del Fuego. Esta especie vive bajo varias condiciones ambientales, y se encuentra en lagos oligotróficos en la Patagonia (39-54°S) y en lagunas superficiales de montaña al norte de los 39°S. El objetivo del presente trabajo es realizar un estudio comparativo morfométrico de machos de B. titicacae colectado en el lago Titicaca y B. gracilipes colectado en el lago Riñihue, ambos son ambientes estables, con una tercera población colectada en lagunas superficiales en el Salar de Surire. Estas lagunas tienen condiciones ambientales extremas debido a alta exposición a la radiación solar y altos niveles de salinidad. Los resultados del presente estudio encontraron diferencias entre las tres poblaciones. Estos resultados concordarían con las descripciones sistemáticas en la literatura sobre las diferencias de las poblaciones de los lagos Titicaca y Riñihue, y la población del salar de Surire tuvo leves diferencias respecto a las dos poblaciones anteriores. Es probable que las diferencias entre la población del Salar de Surire y las otras dos se deban a alta exposición a la radiación solar, salinidad y condiciones extremas de temperatura que acelera las diferencias genéticas la...

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Comparison of the diameter of the frontal knobs in Artemia urmiana Günther, 1899 (Anostraca)

Cited by 4 publications

References 14 publications

The genus Artemia Leach, 1819 (Crustacea: Branchiopoda). I. True and false taxonomical descriptions

The genus Artemia Leach, 1819 (Crustacea: Branchiopoda). I. True and false taxonomical descriptions

Species Diversity and Distribution of Artemia (Crustacea, Anostraca) in Iran: Historical Contexts and Updated Review

Morphometric differences in two calanoid sibling species, Boeckella gracilipes and B. titicacae (Crustacea, Copepoda)

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