Speciation pattern of the horned ghost crab <i>Ocypode ceratophthalmus</i> (Pallas, 1772): an evaluation of the drivers of Indo‐Pacific marine biodiversity using a widely distributed species

Yan, Ke; Chow, Lai Him; Wong, Kingsley J. H.; Chen, Hsi‐Nien; Ip, Brian Ho Yeung; Schubart, Christoph D.; Tsang, Ling Ming; Chan, Benny K. K.; Chu, Ka Hou

doi:10.1111/jbi.13507

Cited by 5 publications

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“…nov. and S. grygieri evolved from a common ancestor and that the genus Synagoga exhibits the major Tethyan reliction pattern that is also characteristic of some ascothoracidans and barnacles (Newman and Ross 1971; Newman and Tomlinson 1974; Foster 1981; Kolbasov 2009; Kolbasov et al 2015). Currently, studies of diversity of Ascothoracida are still based mainly on morphological approaches, future directions can involve molecular techniques to examine cryptic diversity and population genetics of Ascothoracida (see approaches in Chai et al 2017; Chang et al 2017; Ma et al 2018; Jung et al 2018)…”

Section: Discussionmentioning

confidence: 99%

A new species of Synagoga (Crustacea, Thecostraca, Ascothoracida) parasitic in an antipatharian from Green Island, Taiwan, with notes on its morphology

Kolbasov¹,

Petrunina²,

Ho³

et al. 2019

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A new ascothoracidan species has been discovered off Taiwan in the north part of the west Pacific at SCUBA depths. Twelve specimens including both sexes of the new species, described herein as Synagoga arabesquesp. nov., were collected from colonies of the antipatharian Myriopathes cf. japonica Brook, 1889. Three previously described species of Synagoga, morphologically the least specialized ascothoracidan genus, have been found as ectoparasites of antipatharians and an alcyonarian, whereas all other records of this genus have been based on specimens collected from the marine plankton. This is the second study of a new form of Synagoga to be based on more than a few mature specimens of a single sex or on a single juvenile. Furthermore, it is the second in which SEM has been used to document the fine-scale external morphology. The position of terminal pores in the anterior pairs of the lattice organs is different in Synagoga arabesquesp. nov. than those in S. grygieri Kolbasov & Newman, 2018 and S. millipalus Grygier & Ohtsuka, 1995. Species of Synagoga are small, host-specific predators or ectoparasites of antipatharians. This genus exhibits a major Tethyan reliction pattern.

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Section: Discussionmentioning

confidence: 99%

A new species of Synagoga (Crustacea, Thecostraca, Ascothoracida) parasitic in an antipatharian from Green Island, Taiwan, with notes on its morphology

Kolbasov¹,

Petrunina²,

Ho³

et al. 2019

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“…The Indo-West Pacific region displays the highest marine biodiversity in the world (Roberts et al ., 2002). The region is characterized by the presence of marginal seas and complex oceanographic current systems and the biogeography of species are affected by different hydrographic regimes and also geological events (Tsang et al ., 2008; Dong et al ., 2012; Chan et al ., 2014; Ni et al ., 2014; Yu et al ., 2014; Wang et al ., 2015; Wu et al ., 2015; Ma et al ., 2019). The Korean Peninsula is surrounded by three marginal seas; the Yellow, East China and East Seas.…”

Section: Introductionmentioning

confidence: 99%

Biogeography of intertidal and subtidal native and invasive barnacles in Korea in relation to oceanographic current ecoregions and global climatic changes

Kim

Chan

Lee³

et al. 2020

J. Mar. Biol. Ass.

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The coastline of the Korean Peninsula is influenced by three major oceanographic ecoregions, including the estuarine Yellow Sea ecoregion on the west coast, the warmer and saline East China Sea ecoregion on the south coast, and the cold East Sea ecoregion on the east coast. The influence of these marine ecoregions on the distribution of intertidal barnacles has not been extensively studied. The present study examines the biogeography of thoracican barnacles from intertidal and shallow subtidal zones, along the coasts of Korea. Twenty-one species in seven families were identified, including three species of coral-associated barnacles. Species composition varied significantly in the three marine ecoregions. Multivariate analysis showed barnacle assemblages were significant among the three ecoregions, although there are large overlaps of clusters between the Yellow Sea and East China Sea ecoregions. The estuarine species, Fistulobalanus albicostatus, occurred mainly in the Yellow Sea ecoregion; warm-water species, Tetraclita japonica, and sponge inhabiting barnacles Euacasta dofleini were observed in the East China Sea ecoregion; and cold-water species, Balanus rostratus and Perforatus perforatus, were found in the East Sea ecoregion. Four invasive barnacle species were recorded and the European barnacle Perforatus perforatus expanded its range northward from its recorded distribution nine years earlier. The cold-water species, Chthamalus dalli and Semibalanus cariosus, previously recorded in the East Sea ecoregion, were absent in the present survey. A trend of increasing seawater temperatures in Korean waters may have a significant impact on the distribution of cold-water species and enhance the northward invasion of P. perforatus.

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“…We revealed a steep change in haplotype frequency or an almost complete lack of shared genetic variation between the eastern and the western coasts of the SCS for six species of coastal fishes. Previous studies also reported a similar east‐west population break within the SCS for several species, including marine vertebrates and invertebrates [ Scomberomorus commerson (Fauvelot & Borsa, 2011); Hippocampus trimaculatus (Lourie et al, 2005); Ocypode ceratophthalmus (Ma, Chow, et al, 2018); Plectropomus leopardus (Ma, Van Herwerden, et al, 2018); Siganus fuscescens (Ravago‐Gotanco et al, 2018)]. Therefore, we newly recognize the east‐west population break within the SCS as the prevailing pattern for diverse marine organisms.…”

Section: Discussionmentioning

confidence: 56%

Fine‐scale phylogeography of coastal fishes in the South China Sea: Possible roles of biological traits and geography

Muto

Kakioka

Ghaffar

et al. 2021

Journal of Biogeography

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Aim Although the underlying biotic and abiotic factors of phylogeographic patterns is an important topic in biogeography, they remain largely unexplored in marine fishes. We empirically investigated the effects of several biological traits on phylogeographic patterns of selected marine fishes. We predict that overall similarity in these traits correlates with similarity in phylogeographic patterns among species, and that genetic diversity and demographic stability are associated with these traits, as well as the local (paleo)environment. Location Five localities in the South China Sea (SCS). Taxon Thirteen species of coastal marine fishes. Methods Phylogeographic Concordance Factors (PCFs) based on mitochondrial DNA sequences were tested for correlation with similarity based on distribution range, depth of occurrence, habitat preference, salinity tolerance and fecundity among the subset of the focal species. The relationship between phylogeographic patterns and these traits was also qualitatively examined. Bayesian model averaging was used to test the association between these traits and the genetic diversity estimates. Results Pairwise PCFs of five species across all localities were correlated with pairwise biological similarity, with depth and distribution ranges contributing most to the biological similarity. Nucleotide diversity of Indo‐west Pacific species tended to be greater than that of circumtropical species. Populations showing signs of demographic expansions were concentrated in three localities. A novel concordant population break across six focal species and other marine organisms coincided with the dispersal barrier previously suggested by biophysical dispersal modelling. Main conclusions Abiotic factors were dominant in controlling phylogeographic patterns, with possible contributions from biotic factors. Depth and distribution ranges, or other eco‐physiological traits underlying these, might have influenced the phylogeographic patterns of several species, presumably coupled with historical vicariance. The geography of local populations relative to the shallow continental shelf may explain the heterogeneous demography. Historical vicariance and contemporary ocean currents have contributed to the concordant population break.

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Speciation pattern of the horned ghost crab Ocypode ceratophthalmus (Pallas, 1772): an evaluation of the drivers of Indo‐Pacific marine biodiversity using a widely distributed species

Cited by 5 publications

References 0 publications

A new species of Synagoga (Crustacea, Thecostraca, Ascothoracida) parasitic in an antipatharian from Green Island, Taiwan, with notes on its morphology

A new species of Synagoga (Crustacea, Thecostraca, Ascothoracida) parasitic in an antipatharian from Green Island, Taiwan, with notes on its morphology

Biogeography of intertidal and subtidal native and invasive barnacles in Korea in relation to oceanographic current ecoregions and global climatic changes

Fine‐scale phylogeography of coastal fishes in the South China Sea: Possible roles of biological traits and geography

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