Journal of Crustacean Biology最新文献_第2页

A new species of the bathyal yeti crab genus Kiwa Macpherson, Jones & Segonzac, 2005 (Decapoda: Anomura: Kiwaidae) from a hydrothermal vent field in the Eastern Pacific Ocean, with a key to the genus 来自东太平洋热液喷口区的水底雪蟹属 Kiwa 的一个新物种 Macpherson, Jones & Segonzac, 2005 (Decapoda: Anomura: Kiwaidae), 附该属的检索表

IF 1.1 4区生物学

Journal of Crustacean Biology Pub Date : 2024-06-25 DOI: 10.1093/jcbiol/ruae030

Xinming Liu, Jinlan Lin, Jose C E Mendoza

引用次数: 0

Seeing across variable ecological and social environments: comparative eye morphology of marine and terrestrial hermit crabs (Decapoda: Anomura: Coenobitidae, Paguridae) 在多变的生态和社会环境中的视觉：海洋和陆地寄居蟹（十足目：无尾目：寄居蟹科、寄居蟹目）的眼部形态比较

IF 1.1 4区生物学

Journal of Crustacean Biology Pub Date : 2024-06-25 DOI: 10.1093/jcbiol/ruae025

Elliott P Steele, Mark E Laidre

{"title":"Seeing across variable ecological and social environments: comparative eye morphology of marine and terrestrial hermit crabs (Decapoda: Anomura: Coenobitidae, Paguridae)","authors":"Elliott P Steele, Mark E Laidre","doi":"10.1093/jcbiol/ruae025","DOIUrl":"https://doi.org/10.1093/jcbiol/ruae025","url":null,"abstract":"Vision is a ubiquitous sensory modality adapted to vastly different environments, which place variable selection pressures on both macro- and microscopic dimensions of external eye morphology. The hermit crab clade (Crustacea: Decapoda: Anomura) spans environments from sea to land, yet, no systematic comparisons in eye morphology have been made between any species. We compared three species of hermit crabs inhabiting different ecological and social environments: two terrestrial species, one of which (Coenobita compressusH. Milne Edwards, 1837) is highly social and inhabits a flat, open diurnal habitat, and another (C. clypeatus Herbst, 1791) is its sister species that inhabits a rugged forested nocturnal habitat; and a third (Pagurus longicarpusSay, 1817) inhabits a marine intertidal habitat and is less social. We compared macroscopic eye morphology between species as well as microscopic differences in ommatidium-facet density and diameter within eyes. We found that eye dimensions (length, width, and thickness), but not overall volume, differed significantly between marine and terrestrial species. Furthermore, the highly social C. compressus had a significantly larger eye volume compared to its sister species, C. clypeatus, which is not as social. Larger eyes in C. compressus might be linked to its social lifestyle, where vision has been shown to be critical to finding conspecifics. All three species had a higher density of facets in the ventral compared to dorsal region of the eye. Our comparisons of external eye morphology revealed microscopic similarities but notable macroscopic variation between species, thus laying a foundation for future phylogenetically controlled tests within this species-rich clade, including comparisons of internal eye morphology.","PeriodicalId":54850,"journal":{"name":"Journal of Crustacean Biology","volume":"174 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141510108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Establishment of a new subfamily for the parasitic isopod genus Pleurocryptella (Isopoda: Bopyridae), including recognition of epicaridium larval yolk sacs and description of a new genus and species of hyperparasite 为寄生性等足目栉水母属（等足目：栉水母科）建立一个新的亚科，包括识别外寄生幼虫卵黄囊和描述一个新的超寄生虫属和种

IF 1.1 4区生物学

Journal of Crustacean Biology Pub Date : 2024-06-24 DOI: 10.1093/jcbiol/ruae034

Jason D Williams, Christopher B Boyko, Eva C D Stewart

{"title":"Establishment of a new subfamily for the parasitic isopod genus Pleurocryptella (Isopoda: Bopyridae), including recognition of epicaridium larval yolk sacs and description of a new genus and species of hyperparasite","authors":"Jason D Williams, Christopher B Boyko, Eva C D Stewart","doi":"10.1093/jcbiol/ruae034","DOIUrl":"https://doi.org/10.1093/jcbiol/ruae034","url":null,"abstract":"External yolk sacs in free-living larvae of marine invertebrates are extremely rare, with all reported cases exhibiting yolk that is taken up through connection with the anterior alimentary canal. Herein, we confirm a novel yolk sac connected to the posterior end of the alimentary canal in the first larval stage of species in the bopyrid isopod genus PleurocryptellaBonnier, 1900, all known as ectoparasites in the branchial chambers of squat lobsters. Pleurocryptella poseidon Williams & Boyko sp. nov. infesting the munidopsid Galacantha bellis Henderson, 1885 in the Arabian Sea, is described on the basis of adults and larvae. In common with conspecifics, the new species exhibits a suite of putative “primitive” characters including the presence of oostegites on the sixth and seventh pereomeres of females and maxillipeds and articulated uropods in males. Pleurocryptella poseidon Williams & Boyko sp. nov. differs from other species of Pleurocryptella by characters of body shape, antennae, oostegite 1, pleon, and uropods of females and midventral tubercles, pleomeres, and pleopods of males. The epicaridium larvae have a large posterior, external yolk sac and segmented maxillipeds, a unique set of characters within Epicaridea. In addition to larval and adult characters, molecular data (COI) indicate that the genus is distinct from other members of Bopyridae, so we erect the new subfamily Pleurocryptellinae for it. Pleurocryptella poseidon Williams & Boyko sp. nov. bears a new genus and species of hyperparasitic isopod that is herein described based on its cryptoniscus stage. A review of epicaridium larval morphology and a key to the species of Pleurocryptella are provided.","PeriodicalId":54850,"journal":{"name":"Journal of Crustacean Biology","volume":"200 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141510109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Description of a new species of Stenula Barnard, 1962 (Amphipoda: Stenothoidae) from British Columbia, Canada associated with Bouillonia sp. (Cnidaria: Hydrozoa: Tubulariidae), with a key to the world species of Stenula 描述来自加拿大不列颠哥伦比亚省的 Stenula Barnard, 1962 新种（两栖纲：Stenothoidae），该种与 Bouillonia sp.

IF 1.1 4区生物学

Journal of Crustacean Biology Pub Date : 2024-06-24 DOI: 10.1093/jcbiol/ruae036

Anne Helene S Tandberg, Wim Vader

引用次数: 0

A first report of the genome size for the freshwater-crab family Trichodactylidae (Decapoda: Brachyura) 首次报告淡水蟹科毛蟹（十足目：腕足动物）的基因组大小

IF 1.1 4区生物学

Journal of Crustacean Biology Pub Date : 2024-06-20 DOI: 10.1093/jcbiol/ruae035

João G Barioto, Isabela R R Moraes, Antonio L Castilho

引用次数: 0

Hiding in the hills: evidence for two novel mountain-dwelling freshwater crabs of Potamonautes (Decapoda: Brachyura: Potamonautidae) from South Africa 藏身山中：南非发现两种新型山栖淡水蟹--波塔莫努特蟹（十足目：腕足动物：波塔莫努特蟹科）的证据

IF 1.1 4区生物学

Journal of Crustacean Biology Pub Date : 2024-06-01 DOI: 10.1093/jcbiol/ruae026

Kayleigh Mengel, Savel R Daniels

{"title":"Hiding in the hills: evidence for two novel mountain-dwelling freshwater crabs of Potamonautes (Decapoda: Brachyura: Potamonautidae) from South Africa","authors":"Kayleigh Mengel, Savel R Daniels","doi":"10.1093/jcbiol/ruae026","DOIUrl":"https://doi.org/10.1093/jcbiol/ruae026","url":null,"abstract":"Specimens of freshwater crabs (PotamonautesMacLeay, 1838) collected from mountainous regions in the Limpopo and Mpumalanga provinces of South Africa could not be assigned to species level and possibly represented novel lineages. The phylogenetic placement of these two potential novel lineages were investigated with the use of DNA sequence data from three mitochondrial loci (cytochrome oxidase c subunit one - COI, 12S rRNA, and 16S rRNA) and one nuclear locus (histone 3 (H3)), using a maximum likelihood and Bayesian Inference approach incorporating all Potamonautes species described from southern Africa. In addition, a divergence time estimation was undertaken on the tree topology to determine the timing of cladogenesis. Morphometric analyses were also conducted on the two undescribed lineages and co-distributed, phylogenetically closely-related species (P. flavusjoDaniels, Phiri & Bayliss, 2014 and P. mariepskoppieDaniels, Barnes, Marais & Gouws, 2021) using discriminant function analyses of carapace and pereiopod variables. Phylogenetic results revealed that the two novel species are sister groups and related to a clade of endemic subtropical species present in north-eastern South Africa, while the divergence time estimation indicates Mio/Pliocene cladogenesis. The morphometric results corroborate the phylogenetic distinction between the two novel lineages and co-distributed sister species. Potamonautes wolkbergin. sp. and P. aurantiusn. sp. are described and compared with other congeneric South African taxa.","PeriodicalId":54850,"journal":{"name":"Journal of Crustacean Biology","volume":"52 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141195129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Lower seawater pH reduces the foraging activity of the Florida stone crab, Menippe mercenaria (Say, 1818) (Decapoda: Brachyura: Menippidae) 较低的海水 pH 值会降低佛罗里达石蟹 Menippe mercenaria (Say, 1818) 的觅食活动（十足目：腕足动物：石蟹科）

IF 1.1 4区生物学

Journal of Crustacean Biology Pub Date : 2024-05-27 DOI: 10.1093/jcbiol/ruae024

Morgan L Jarrett, Abigail L Smith, Gabriel J Langford, Philip M Gravinese

{"title":"Lower seawater pH reduces the foraging activity of the Florida stone crab, Menippe mercenaria (Say, 1818) (Decapoda: Brachyura: Menippidae)","authors":"Morgan L Jarrett, Abigail L Smith, Gabriel J Langford, Philip M Gravinese","doi":"10.1093/jcbiol/ruae024","DOIUrl":"https://doi.org/10.1093/jcbiol/ruae024","url":null,"abstract":"Anthropogenic activities like habitat degradation, excess nutrient runoff, and sewage outfalls can decrease seawater pH in coastal environments. Coastal waters can also experience frequent fluctuations in seawater pH due to biological activity (i.e., photosynthesis and respiration). Commercially important species like the Florida stone crab, Menippe mercenaria (Say, 1818), inhabit coastal waters and experience fluctuations in seawater pH on both diurnal and seasonal scales. Organisms exposed to reductions in seawater pH may have difficulty sensing chemical cues due to physiological changes and the associated metabolic stress of compensating for a more acidic environment. Here we determined the foraging activity of the Florida stone crab when exposed to reduced pH conditions (control pH 7.8, reduced pH 7.6). The impacts of reduced pH on foraging activity were determined by monitoring activity time, stress, predation attempts, and handling time when crabs were exposed to lower seawater pH for 12 hrs. Crabs exposed to reduced pH conditions experienced elevated stress levels and reduced activity than crabs in the control pH treatment. These results suggest that exposure to more extreme pH conditions may limit the foraging activity of stone crabs.","PeriodicalId":54850,"journal":{"name":"Journal of Crustacean Biology","volume":"36 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141173541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The carcinological oeuvre of Charles Spence Bate (1819–1889): Checklist of species and genera, dates of publication, and a list of publications (Crustacea: Amphipoda, Cirripedia, Cumacea, Decapoda, Tanaidacea) 查尔斯-斯彭斯-贝特（1819-1889 年）的致癌作品：物种和属的核对表、出版日期以及出版物清单（甲壳纲：两栖类、栉水母纲、腔肠动物纲、十足目、丹顶鹤目）

IF 1.1 4区生物学

Journal of Crustacean Biology Pub Date : 2024-05-11 DOI: 10.1093/jcbiol/ruae010

Sammy De Grave, Christopher B Boyko

引用次数: 0

Population ecology of the intertidal xanthid crab Leptodius exaratus (H. Milne Edwards, 1834) (Decapoda: Brachyura: Xanthidae) on rocky shores in Kuwait, Arabian (Persian) Gulf 阿拉伯（波斯）海湾科威特潮间带黄蟹 Leptodius exaratus (H. Milne Edwards, 1834) (Decapoda: Brachyura: Xanthidae) 的种群生态学研究

IF 1.1 4区生物学

Journal of Crustacean Biology Pub Date : 2024-04-26 DOI: 10.1093/jcbiol/ruae019

Zainab Al-Wazzan, Luis Giménez, Manaf Behbehani, Lewis Le Vay

{"title":"Population ecology of the intertidal xanthid crab Leptodius exaratus (H. Milne Edwards, 1834) (Decapoda: Brachyura: Xanthidae) on rocky shores in Kuwait, Arabian (Persian) Gulf","authors":"Zainab Al-Wazzan, Luis Giménez, Manaf Behbehani, Lewis Le Vay","doi":"10.1093/jcbiol/ruae019","DOIUrl":"https://doi.org/10.1093/jcbiol/ruae019","url":null,"abstract":"Leptodius exaratus (H. Milne Edwards, 1834) is an exploited species that has been used as bait for recreational fishing in Kuwait. The biological and ecological aspects of the species required to manage this practice are limited. We investigated the life history and population ecology of L. exaratus in the northwestern Arabian (Persian) Gulf. The spawning season of the crab in Kuwait starts in the late spring and continues through the summer and ends in September. Fecundity is highly correlated to female body size and ranges 2,533–11,991 eggs clutch–1, with a mean number of 7,055 eggs clutch–1. Juveniles are generally recruited between July and September, with lower minor recruitment levels occurring in October and November. Growth is highly seasonal, being slow during the cold season (October-February) and high during the warmer season (March and September), with a higher growth rate in males than in females. The seasonality of growth and reproduction of L. exaratus in the region is strongly related to ambient air and water temperatures. Sexual dimorphism is highly significant between males and females with males, reaching reproductive maturity at 17.43 ± 0.53 mm carapace width (CW) and females at 9.58 ± 1.21 mm CW. The overall sex ratio for the species is 0.8:1 (males:females). Furthermore, the life span of 3–4 yr and an overall mortality slightly higher in males than in females. The results of our study could be used to determine fishery management strategies such as minimum catch sizes and closures periods. The results on life history and dynamics of the complex life cycle of L. exaratus contribute to conservation and sustainable exploitation of the species in Kuwait.","PeriodicalId":54850,"journal":{"name":"Journal of Crustacean Biology","volume":"20 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140802721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Resistance to initial starvation in stage I larvae of the American lobster Homarus americanus H. Milne Edwards, 1837 (Decapoda: Astacidea: Nephropidae) 美洲龙虾（Homarus americanus H. Milne Edwards, 1837）I期幼体对初始饥饿的抵抗力（十足目：星鳃纲：尼福罗盘虾科

IF 1.1 4区生物学

Journal of Crustacean Biology Pub Date : 2024-04-26 DOI: 10.1093/jcbiol/ruae020

Eric R Annis, Ruth R Howell, Robert S Steneck

{"title":"Resistance to initial starvation in stage I larvae of the American lobster Homarus americanus H. Milne Edwards, 1837 (Decapoda: Astacidea: Nephropidae)","authors":"Eric R Annis, Ruth R Howell, Robert S Steneck","doi":"10.1093/jcbiol/ruae020","DOIUrl":"https://doi.org/10.1093/jcbiol/ruae020","url":null,"abstract":"Greater embryo mass confers an advantage in the face of sub-lethal starvation for larvae of the American lobster, Homarus americanusH. Milne Edwards, 1837. We reared larvae in the laboratory and recorded body size, molt increment, stage duration, and mortality during the three larval instars and postlarval stages. Larvae were either fed continuously or subjected to starvation periods immediately after hatching. Larval mass increased with embryo mass suggesting that energetic advantages of heavier embryos are conferred to the larvae. Stage I larvae hatched from clutches with heavier embryos and had lower mortality after five days without food. Stage I duration decreased with increasing embryo mass in treatments with initial periods without food of three, four, and five days. We also observed greater size increase at first molt and larger postlarval size in some treatments. Our results suggest that larger embryos produce larvae that are more resistant to starvation, which may provide a survival advantage when experiencing variable food supply due to the patchy distribution of their planktonic prey.","PeriodicalId":54850,"journal":{"name":"Journal of Crustacean Biology","volume":"26 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140802725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0