Morphometric variation of the oriental river prawn (Macrobrachium nipponense) in Taiwan

Chen, Po‐Cheng; Tzeng, Tzong-Der; Shih, Chi‐Jen; Chu, Ta-Jen; Lee, Ying‐Chou

doi:10.1016/j.limno.2015.03.002

Cited by 22 publications

(15 citation statements)

References 36 publications

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“…Only one paper analyzed morphological characters in an attempt to determine the population structure of this species in Taiwan [ 24 ]. The findings suggest that these populations clustered into estuarine group, west-south-reservoir group, and north-reservoir group.…”

Section: Introductionmentioning

confidence: 99%

Population Structure and Historical Demography of the Oriental River Prawn (Macrobrachium nipponense) in Taiwan

et al. 2015

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The oriental river prawn (Macrobrachium nipponense) is a non-obligatory amphidromous prawn, and it has a wide distribution covering almost the entire Taiwan. Mitochondrial DNA fragment sequences of the cytochrome oxidase subunit I (COI) and 16S rRNA were combined and used to elucidate the population structure and historical demography of oriental river prawn in Taiwan. A total of 202 individuals from six reservoirs and three estuaries were separately collected. Nucleotide diversity (π) of all populations was 0.01217, with values ranging from 0.00188 (Shihmen Reservoir, SMR, northern Taiwan) to 0.01425 (Mingte Reservoir, MTR, west-central Taiwan). All 76 haplotypes were divided into 2 lineages: lineage A included individuals from all sampling areas except SMR, and lineage B included specimens from all sampling locations except Chengching Lake Reservoir (CLR) and Liyu Lake Reservoir (LLR). All F ST values among nine populations were significantly different except the one between Jhonggang River Estuary (JGE, west-central Taiwan) and Kaoping River Estuary (KPE, southern Taiwan). UPGMA tree of nine populations showed two main groups: the first group included the SMR and Tamsui River Estuary (TSE) (both located northern Taiwan), and the second one included the other seven populations (west-central, southern and eastern Taiwan). Demographic analyses implied a population expansion occurred during the recent history of the species. The dispersal route of this species might be from China to west-central and west-southern Taiwan, and then the part individuals belonging to lineage A and B dispersed southerly and northerly, respectively. And then part individuals in west-central Taiwan fell back to and stay at estuaries as the sea level rose about 18,000 years ago.

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Section: Introductionmentioning

confidence: 99%

Population Structure and Historical Demography of the Oriental River Prawn (Macrobrachium nipponense) in Taiwan

et al. 2015

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“…Bagherian and Rahmani (2009) reported slender body shape in Chalcalburnus chalcoides (Güldenstädt, 1772) due to high water velocity. Also, the current pattern of Bay of Bengal and Arabian Sea was found to modify the morphometry of Megalaspis cordyla (Linnaeus, 1758) (Sajina et al 2010) and Macrobrachium nipponense (Chen et al 2015).…”

Section: Discussionmentioning

confidence: 99%

Stock structure analysis of the Arabian red shrimp (Aristeus alcockiRamadan, 1938) in the Indian coast with truss network morphometrics

et al. 2018

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Aristeus alcocki Ramadan, 1938 is a deep sea penaeid shrimp that forms a major commercial fishery in the Indian coast. However, the spawning population of this species along the Indian coast is poorly known. To study this, stock structure of A. alcocki using truss morphometry was employed. A total of 1842 matured specimens were collected from five geographical locations (Tuticorin (SET), Chennai (SEC), Nagapattianam (SEN), Sakthikulangara (SWS), and Kalamuku (SWK)) along the Indian coast. Thirty-nine truss distances were extracted from each specimen and analyzed by multivariate methods via principal component analysis (PCA), discriminant functions (DF) and hierarchical cluster analysis. The results of PCA analysis indicate that the first two components cumulatively explained >70% (female: 72.1%; male: 71.5%) of the total morphometric variation. Stepwise discriminant function analysis indicated abdominal variables significantly discriminated the populations at different locations. The results clustered the five samples into a minimum of two groups, group-I included the samples from SWK while rest of the samples clustered in group-II. Morphometric variation between the groups was significant for each sex. Significant differences between the groups may be attributed to geographical and environmental conditions suggesting separate management strategies for the resource sustainability.

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“…Although Thailand is located in the center of mainland Southeast-Asia, its freshwater fauna is likely under-reported, including Macrobrachium prawns in both major river basins. The lack of broad-scale specimen comparison and comprehensive data on geographical variation and genetic composition are of critical concern, given the obscure justification for their taxonomic boundaries ( Castelin et al, 2017 ; Chen et al, 2015 ; Rossi & Mantelatto, 2013 ). As a result, classification and assignment of Macrobrachium species into a suitable species complex or species groups has generally been problematic ( Johnson, 1960 ; Wowor & Ng, 2007 ; Wowor & Short, 2007 ).…”

Section: Introductionmentioning

confidence: 99%

Molecular phylogeny and species delimitation of the freshwater prawnMacrobrachium pilimanusspecies group, with descriptions of three new species from Thailand

Siriwut

Jeratthitikul

Panha

et al. 2020

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Specific status and species boundaries of several freshwater prawns in the Macrobrachium pilimanus species group remain ambiguous, despite the taxonomic re-description of type materials and additional specimens collected to expand the boundaries of some species. In this study, the “pilimanus” species group of Macrobrachium sensu Johnson (1958) was studied using specimens collected from montane streams of Thailand. Molecular phylogenetic analyses based on sequences of three molecular markers (COI, 16S and 18S rRNA) were performed. The phylogenetic results agreed with morphological identifications, and indicated the presence of at least nine putative taxa. Of these, six morphospecies were recognised as M. malayanum, M. forcipatum, M. dienbienphuense, M. hirsutimanus, M. eriocheirum, and M. sirindhorn. Furthermore, three morphologically and genetically distinct linages were detected, and are described herein as M. naiyanetri Siriwut sp. nov., M. palmopilosum Siriwut sp. nov. and M. puberimanus Siriwut sp. nov. The taxonomic comparison indicated wide morphological variation in several species and suggested additional diagnostic characters that are suitable for use in species diagnoses, such as the shape and orientation of fingers, the rostrum form, and the presence or absence of velvet pubescence hairs and tuberculated spinulation on each telopodite of the second pereiopods. The “pilimanus” species group was portrayed as non-monophyletic in both ML and BI analyses. The genetic structure of different geographical populations in Thailand was detected in some widespread species. The species delimitation based on the four delimitation methods (BIN, ABGD, PTP and GMYC) suggested high genetic diversity of the “pilimanus” species group and placed the candidate members much higher than in previous designations based on traditional morphology. This finding suggests that further investigation of morphological and genetic diversity of Southeast Asian freshwater prawns in the genus Macrobrachium is still required to provide a comprehensive species list to guide efforts in conservation and resource management.

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Morphometric variation of the oriental river prawn (Macrobrachium nipponense) in Taiwan

Cited by 22 publications

References 36 publications

Population Structure and Historical Demography of the Oriental River Prawn (Macrobrachium nipponense) in Taiwan

Population Structure and Historical Demography of the Oriental River Prawn (Macrobrachium nipponense) in Taiwan

Stock structure analysis of the Arabian red shrimp (Aristeus alcockiRamadan, 1938) in the Indian coast with truss network morphometrics

Molecular phylogeny and species delimitation of the freshwater prawnMacrobrachium pilimanusspecies group, with descriptions of three new species from Thailand

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