نتایج جستجو برای: shrimps
تعداد نتایج: 1440 فیلتر نتایج به سال:
BACKGROUND Fairy shrimps (Anostraca), tadpole shrimps (Notostraca), clam shrimps (Spinicaudata), algae (primarily filamentous blue-green algae [cyanobacteria]), and suspended organic particulates are dominant food web components of the seasonally inundated pans and playas of the western Mojave Desert in California. We examined the extent to which these branchiopods controlled algal abundance an...
High temperature (32 to 33°C) has been shown to reduce mortality in white spot syndrome virus (WSSV)-infected shrimps, but the mechanism still remains unclear. Here we show that in WSSV-infected shrimps cultured at 32°C, transcriptional levels of representative immediate-early, early, and late genes were initially higher than those at 25°C. However, neither the IE1 nor VP28 protein was detected...
A new genus and species of procaridid shrimp, Vetericaris chaceorum, and a new atyid species, Halocaridina palahemo, are described from the island of Hawaii. The new genus, regarded as more primitive than Procaris, is characterized by the possession of a larger number of gills than Procaris, including arthrobranchs and pleurobranchs on the third maxilliped and pereiopods 1-4, elongate pleopodal...
BACKGROUND Whole mitochondrial DNA is being increasingly utilized for comparative genomic and phylogenetic studies at deep and shallow evolutionary levels for a range of taxonomic groups. Although mitogenome sequences are deposited at an increasing rate into public databases, their taxonomic representation is unequal across major taxonomic groups. In the case of decapod crustaceans, several inf...
Adriano Macia is a PhD candidate in the Systems Ecology Department, University of Stockholm. He holds a MSc degree in Marine Zoology from the University of Goteborg, Sweden. He is a lecturer in Marine Biology at the University Eduardo Mondlane, Maputo. He has research interests on the interlinkages between mangroves and commercial penaeid shrimps (the ecological role of mangroves as nurseries f...
Acute hepatopancreatic necrosis disease (AHPND), also known as early mortality syndrome (EMS), causes high mortalities in cultured shrimps in Asia (L. Tran et al., Dis. Aquat. Organ. 105:45-55, 2013, http://dx.doi.org/10.3354/dao02621). Here, we report the draft genome sequence of one Mexican strain of Vibrio parahaemolyticus that causes similar clinical signs in diseased shrimps.
Food habits and daily feeding activity of fish populations are important ecological variables for understanding their role in the ecosystem. Diel changes in feeding activity and dietary composition of juvenile whitemouth croaker Micropogonias furnieri, shortfin corvina Isopisthus parvipinnis, shorthead drum Larimus breviceps and of juvenile and adult banded croaker Paralonchurus brasiliensis we...
A new genus and species of sponge-associated pontoniine shrimps (Crustacea: Decapoda: Palaemonidae: Pontoniinae) is described from northern part of Formosa Island (Taiwan). The new species can be clearly recognized by convex robust nail-like apices on dactyli of both pereiopods II--a unique morphological structure among pontoniine shrimps. Morphological differences from all known sponge-associa...
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