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Caridea

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https://read.qxmd.com/read/30769099/systematic-analysis-of-the-caridean-shrimp-superfamily-pandaloidea-crustacea-decapoda-based-on-molecular-and-morphological-evidence
#1
Yunshi Liao, Ka Yan Ma, Sammy De Grave, Tomoyuki Komai, Tin-Yam Chan, Ka Hou Chu
One of the systematically controversial superfamilies in Caridea is the predominately deep-sea or cold water Pandaloidea, largely because this species-rich group of nearly 200 species in 25 genera exhibits a very high diversity of body forms and ecology. Although the relationships amongst the taxa within Pandaloidea have been repeatedly discussed based on morphology, no comprehensive molecular phylogeny exists. In this study, we present the first molecular phylogeny of the group, based on a combined dataset of two mitochondrial (12S and 16S rRNA) and six nuclear (ATP synthase β-subunit, enolase, glyceraldehyde-3-phosphate dehydrogenase, histone 3, phosphoenolpyruvate carboxykinase and sodium-potassium ATPase α-subunit) markers, based on 62 species (about 1/3 of known biodiversity) in 22 genera (88% of genera) of two pandaloid families (Pandalidae, Thalassocarididae) and outgroups from seven other caridean families...
February 12, 2019: Molecular Phylogenetics and Evolution
https://read.qxmd.com/read/30686919/-neocaridinafonticulata-a-new-land-locked-freshwater-shrimp-from-hengchun-peninsula-taiwan-decapoda-caridea-atyidae
#2
Hsi-Te Shih, Yixiong Cai, Yuh-Wen Chiu
A new species of land-locked freshwater shrimp, Neocaridinafonticulata sp. n. (Atyidae), is described from Kenting, Hengchun Peninsula, Pingtung County, southern Taiwan. This new species can be distinguished from its congeners by rostrum structure, pereiopods, and male first and second pleopods. The molecular evidence of mitochondrial cytochrome oxidase subunit I (COI) also supports the establishment of a new species. This is the third endemic species of Neocaridina known from Taiwan.
2019: ZooKeys
https://read.qxmd.com/read/30647233/three-new-species-of-the-pandalid-shrimp-genus-pandalopsis-spence-bate-1888-crustacea-decapoda-caridea-from-the-southwestern-sea-of-okhotsk-with-supplemental-note-on-p-glabra-kobjakova-1936
#3
Tomoyuki Komai, Mai Hibino
The present study deals with a collection of deep-sea shrimp of the pandalid genus Pandalopsis Spence Bate, 1888 from the Nemuro Strait, Hokkaido, southwestern part of the Sea of Okhotsk. Three new species are described and illustrated: Pandalopsis capillus n. sp., P. houyuu n. sp. and P. princeps n. sp. In addition, Pandalopsis glabra Kobjakova, 1936, a species endemic to the Sea of Okhotsk, is supplementary reported. Most specimens were collected from steep slopes or hard bottoms at depths greater than 400 m by commercial shrimp trap or gill nets operated by local fishermen...
January 15, 2019: Zootaxa
https://read.qxmd.com/read/30486019/a-new-species-of-alvinocaris-crustacea-decapoda-caridea-alvinocarididae-from-costa-rican-methane-seeps
#4
Joel W Martin, Adam R Wall, Tim Shank, Harim Cha, Charlotte A Seid, Greg W Rouse
A new caridean shrimp, Alvinocaris costaricensis, is described from methane seeps in the eastern Pacific off Costa Rica. The new species is the 16th described species of the genus, and by molecular analysis appears closest to Alvinocaris komaii from the Lau Basin, southwestern Pacific, but shares certain morphological characters with A. lusca from the Galapagos Rift and A. muricola from the West Florida Escarpment, as well as with A. kexueae from the Manus Basin in the Southwest Pacific.
October 25, 2018: Zootaxa
https://read.qxmd.com/read/30423441/the-complex-study-of-complexes-the-first-well-supported-phylogeny-of-two-species-complexes-within-genus-caridina-decapoda-caridea-atyidae-sheds-light-on-evolution-biogeography-and-habitat
#5
Valentin De Mazancourt, Werner Klotz, Gerard Marquet, Benjamin Mos, D Christopher Rogers, Philippe Keith
Atyid shrimps, a key component of tropical freshwater ecosystems, face multiple anthropogenic threats and thus need special attention. With more than 300 described species, the genus Caridina is the most speciose of all the Caridea infra-order. Caridina spp. occupy diverse habitats in tropical freshwaters of the Indo-West Pacific region. Several species complexes have been recognized, based on common morphological features, but little is known about how well these morphological characteristics align with phylogenetic characteristics...
November 10, 2018: Molecular Phylogenetics and Evolution
https://read.qxmd.com/read/30313960/a-new-stygobiont-species-of-halocaridinides-fujino-shokita-1975-crustacea-decapoda-caridea-atyidae-from-caves-on-socotra-island-yemen-with-notes-on-the-genus
#6
Charles H J M Fransen, K van Damme
We describe a new species of stygobiont atyid shrimp of the genus Halocaridinides Fujino Shokita, 1975 from subterranean brackish and freshwater environments on Socotra Island (Yemen). This is the first atyid shrimp discovered in the Socotra Archipelago. This Socotran endemic is the second species of Halocaridinides recorded from an Indian Ocean island and the first to occur in non-anchialine environments. The new species is characterized by the absence of eye pigmentation, a reduced rostrum and the presence of a single spine in the uropodal exopod diaeresis...
July 2, 2018: Zootaxa
https://read.qxmd.com/read/30313937/a-new-species-of-eupasiphae-wood-mason-alcock-1893-crustacea-decapoda-pasiphaeidae-from-the-southwestern-atlantic
#7
Thaiana G A Rodrigues, Irene A Cardoso
The pasiphaeid shrimp genus Eupasiphae Wood-Mason Alcock, 1893 (Caridea: Pasiphaeidae) currently includes four bathypelagic species: Eupasiphae latirostris (Wood-Mason, 1891), E. gilesii (Wood-Mason, 1892), E. serrata Rathbun, 1902 and E. paucidentata Crosnier, 1988. The present work describes a further new species, Eupasiphae ostrovski n. sp., on the basis of material sampled at the continental shelf and slope of the Central Brazilian coast at depths of 200 - 2000 m. The new species is somewhat similar to E...
July 9, 2018: Zootaxa
https://read.qxmd.com/read/30313887/description-of-a-new-alpheid-shrimp-automate-isabelae-sp-nov-decapoda-caridea-alpheidae-found-in-fish-stomach-contents-of-the-lane-snapper-lutjanus-synagris-linnaeus-1758-from-the-west-coast-of-florida-gulf-of-mexico
#8
Gabriel E Ramos-Tafur
A new species of caridean shrimp of the family Alpheidae, Automate isabelae sp. nov., found in stomach analysis contents of the lane snapper Lutjanus synagris (Linnaeus, 1758), from the Keys and SW coast of Florida, Gulf of Mexico, is described. The abdomen and portions of the cephalic appendages were damaged in holotype, but remainder of the body and the chelipeds, whith the most important diagnostic characters are in decent or perfect condition, the description was further supplemented based on intact morphological parts of the paratypes...
July 17, 2018: Zootaxa
https://read.qxmd.com/read/30313839/checklist-of-decapods-crustacea-from-the-coast-of-s%C3%A3-o-paulo-state-brazil-supported-by-integrative-molecular-and-morphological-data-ii-infraorder-caridea-family-alpheidae
#9
Alexandre O Almeida, Mariana Terossi, Raquel C Buranelli, Antonio L Castilho, RogÉrio C Costa, Fernando J Zara, Fernando L Mantelatto
This study is part of a series of checklists resulting from a long-term multidisciplinary project on the biodiversity of decapod crustaceans from the marine and coastal environments (including estuaries) of São Paulo State (Brazil). For that, we integrated molecular techniques (mitochondrial DNA markers) and morphological analyses of adult specimens for an accurate and detailed identification. The DNA markers were used when the morphological identification was doubtful, particularly in the recognition of cryptic species...
July 25, 2018: Zootaxa
https://read.qxmd.com/read/30313573/a-new-species-of-pasiphaea-savigny-1816-crustacea-decapoda-pasiphaeidae-from-the-southwestern-atlantic
#10
Thaiana G A Rodrigues, Flavio A Alves-jÚnior, Irene A Cardoso
The genus Pasiphaea Savigny, 1816 (Caridea: Pasiphaeidae) includes 71 species, of which vast majority inhabit in the meso or bathypelagic zones in the world oceans. A new species is described herein, sampled during the project "ABRACOS 2" (Acoustic along the BRazilian COast) nearby the Rocas Atoll and Fernando de Noronha Archipelago, in Brazilian waters. Pasiphaea antea n. sp. appears close to Pasiphaea dorsolineatus Komai Chan, 2012 described from off Hawaii, but is distinguished from the latter by the different shape of the rostrum, the mid-dorsal line of the carapace sharply carinate in the anterior half, and the possession of more numerous spiniform setae on the meri of the pereopods 1 and 2...
May 10, 2018: Zootaxa
https://read.qxmd.com/read/30313202/a-new-deep-sea-species-of-the-snapping-shrimp-genus-alpheus-fabricius-1798-decapoda-caridea-alpheidae-from-kagoshima-bay-japan
#11
Tomoyuki Komai, Jun Ohtomi
A new species of the snapping shrimp genus Alpheus Fabricius, 1798, A. longipalma, is described and illustrated on the basis of material from Kagoshima Bay, Kyushu, Japan. It is referred to the A. brevirostris (Olivier, 1811) species group, and appears closest to A. macroskeles Alcock Anderson, 1894, known with certainty from the Bay of Bengal and Andaman Sea, and A. talismani Coutière, 1898 from the eastern Atlantic. The greatly elongate minor cheliped in males, being subequal to or longer than the major cheliped with proportionally shorter dactylus distinguish the new species from A...
June 14, 2018: Zootaxa
https://read.qxmd.com/read/30313159/five-new-records-of-marine-shrimps-decapoda-caridea-stenopodidea-from-the-caribbean-coast-of-panama
#12
Paulo P G Pachelle, Matthieu Leray, Arthur Anker, Robert Lasley
Five species of shrimps, four carideans and one stenopodidean, are recorded for the first time from the Caribbean coast of Panama: Lysmata vittata (Stimpson, 1860) [Lysmatidae Dana, 1852], Periclimenaeus ascidiarum Holthuis, 1951, P. bredini Chace, 1972, P. maxillulidens (Schmitt, 1936) [Palaemonidae Rafinesque, 1815], and Odontozona edyli Criales Lemaitre, 2017 [Stenopodidae Claus, 1872]. Rather surprisingly, L. vittata is recorded from the Caribbean Sea for the first time. However, the taxonomic status of all western Atlantic specimens currently assigned to L...
June 20, 2018: Zootaxa
https://read.qxmd.com/read/30021129/complete-mitochondrial-genome-of-the-first-deep-sea-spongicolid-shrimp-spongiocaris-panglao-decapoda-stenopodidea-novel-gene-arrangement-and-the-phylogenetic-position-and-origin-of-stenopodidea
#13
Shao'e Sun, Zhongli Sha, Yanrong Wang
Stenopodidea Claus, 1872 (Crustacea: Decapoda) is one of the major groups of decapods crustaceans. Hitherto, only one complete mitochondrial genome (mitogenome) from the family Stenopodidae is available for the infraorder Stenopodidea. Here, we determined the complete mitogenome of Spongiocaris panglao de Grave and Saito, 2016 using Illumina sequencing, representing the first species from the family Spongicolidae. The 15,909 bp genome is a circular molecule and consists of 13 protein-coding genes (PCGs), 2 ribosomal RNA (rRNA) genes, 22 transfer RNA (tRNA) genes and one control region...
November 15, 2018: Gene
https://read.qxmd.com/read/29949441/embryonic-development-in-the-peppermint-shrimp-lysmata-boggessi-caridea-lysmatidae
#14
Andrés Romero-Carvajal, Matthew W Turnbull, J Antonio Baeza
There are a limited number of model species for decapod experimental embryology. To improve our understanding of developmental pattern evolution in the Decapoda, here we describe the early embryonic development of the caridean shrimp Lysmata boggessi, from immediately after fertilization to the hatching of the zoea larva, using fluorescence microscopy and whole-mount nuclear staining with 4',6-diamidino-2-phenylindole. Lysmata boggessi follows the standard caridean pattern of early development, with early holoblastic cleavage that will later become superficial, to form a blastoderm...
June 2018: Biological Bulletin
https://read.qxmd.com/read/29898103/the-influence-of-environmental-variables-in-the-reproductive-performance-of-macrobrachium-amazonicum-heller-1862-caridea-palaemonidae-females-in-a-continental-population
#15
João Alberto F Pantaleão, Abner Carvalho-Batista, Sarah S A Teodoro, Rogério C Costa
Macrobrachium amazonicum is a commercially important freshwater prawn with a high degree of reproductive plasticity. The species is classified into two groups: coastal populations, with larger individuals exhibiting high fecundity and needing brackish water for larval development; and continental populations, with smaller specimens exhibiting low fecundities and completing metamorphosis in freshwater. The objective of this study was to investigate the influence of environmental factors in the fecundity, egg size and volume, and reproductive output in females of M...
April 2018: Anais da Academia Brasileira de Ciências
https://read.qxmd.com/read/29782816/a-new-microsporidium-apotaspora-heleios-n-g-n-sp-from-the-riverine-grass-shrimp-palaemonetes-paludosus-decapoda-caridea-palaemonidae
#16
Yuliya Y Sokolova, Robin M Overstreet
We report a new microsporidium from a key species of the estuarine communities of the Gulf States, the Riverine grass shrimp, Palaemonetes paludosus. A milky-white shrimp was found in the Mobile Bay Delta, a large, oligohaline-freshwater wetland in Alabama, USA. Light microscopy of smears and thick sections of the abdominal tissues demonstrated infection with microsporidian spores enclosed in sporophorous vesicles (SVs) in sets of eight. Broadly oval spores measured 2.9 ± 0.06 × 1.7 ± 0.03 µm (2...
September 2018: Journal of Invertebrate Pathology
https://read.qxmd.com/read/29690158/two-new-species-of-the-crangonid-genus-metacrangon-zarenkov-1965-crustacea-decapoda-caridea-from-the-okinawa-trough-japan
#17
Tomoyuki Komai, Chong Chen, Hiromi Kayama Watanabe
Two new species of the crangonid shrimp genus Metacrangon Zarenkov, 1965, are described and illustrated on the basis of materials collected from the Okinawa Trough, Ryukyu Islands, southern Japan, during diving operations of remotely operated vehicles (ROVs): M. ryukyu n. sp. from off Iheya Island, at depth of 986 m; and Metacrangon kaiko n. sp. from NE of Yonaguni Island, at depth of 2205 m. The two new species resemble members of the M. munita (Dana, 1852) species group, but are both characteristic in having setose dactyli on pereopods 4 and 5...
April 16, 2018: Zootaxa
https://read.qxmd.com/read/29690009/a-new-species-of-the-alpheid-shrimp-genus-thuylamea-nguy%C3%A3%C2%AAn-2001-crustacea-decapoda-caridea-from-yatsushiro-sea-kyushu-japan
#18
Tomoyuki Komai
A new species of alpheid shrimp, Thuylamea shiranui, is described and illustrated on the basis of five specimens from Yatsushiro Sea, western Kyushu, Japan. It is closely related to T. camelus Nguyên, 2001, the type species of the heretofore monotypic genus Thuylamea Nguyên, 2001, known from South China, Vietnam and Singapore. The complete lack of submedian posterodorsal crests on the carapace and the relatively long antennular peduncle distinguish the new species from T. camelus. The generic diagnosis of Thuylamea is emended to accommodate the new species...
February 8, 2018: Zootaxa
https://read.qxmd.com/read/29689948/the-freshwater-shrimp-family-euryrhynchidae-holthuis-1950-crustacea-decapoda-caridea-revisited-with-a-taxonomic-revision-of-the-genus-euryrhynchus-miers-1878
#19
Paulo P G Pachelle, Marcos Tavares
The present revision is based on the largest sample of Euryrhynchidae Holthuis, 1950 studied to date, with special reference to Euryrhynchus Miers, 1878. The revision confirms the validity of the 8 currently recognized species of Euryrhynchidae and describes 2 new species related to Euryrhynchus amazoniensis Tiefenbacher, 1978: E. taruman sp. nov. and E. tuyuka sp. nov. The species Euryrhynchus amazoniensis, E. burchelli Calman, 1907, E. pemoni Pereira, 1985 and E. wrzesniowskii Miers, 1878 are redescribed and illustrated based on specimens from the type series and additional material...
February 18, 2018: Zootaxa
https://read.qxmd.com/read/29689943/a-new-species-of-philocheras-decapoda-caridea-crangonidae-from-western-australia-with-a-key-to-all-species-of-this-genus-worldwide
#20
Qingxi Han, John K Keesing
One new species and three new distribution records for the family Crangonidae (Crustacea: Decapoda) are reported from Western Australia. A new species, Philocheras gardenensis sp. nov. is described and illustrated based on specimens collected from the Western Australia. The new species closely resembles Philocheras fasciatus (Risso, 1816), but can be distinguished easily by the absence of lobe-like folds on either side of the middle line of the carapace, the presence of a lateral carina extending from the branchiostegal spine, the longer middorsal carina and distolateral tooth of the antennal scale...
February 20, 2018: Zootaxa
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