Biological characteristics of <em>Moolgarda cunnesius</em> (Valenciennes, 1836) in Thua Thien Hue, Vietnam

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dc.contributor.authorThi Hao, Nguyen
dc.contributor.authorHoang Nhat Minh, Nguyen
dc.contributor.authorHoi, Truong Cong
dc.contributor.authorPhong, Bui Anh
dc.contributor.authorTy, Nguyen
dc.contributor.authorThanh, Pham
dc.contributor.authorHuy, Nguyen Xuan
dc.contributor.authorGiang, Tran Van
dc.date.accessioned2024-10-15T18:11:24Z
dc.date.available2024-10-15T18:11:24Z
dc.date.issued2024
dc.description.abstract<em>Moolgarda cunnesius</em> (Valenciennes, 1836) is a species of the Mugilidae family, commonly known as a delicious fish with high nutritional and economic value, making it very promising. Zoological research methods and DNA barcoding are used to study this fish. Morphological Characteristics: The Leaf mullet has 62 to 75 gill rakers on the lower limb of the first gill arch. The upper jaw is slightly curved downward, and the anterior margin of the anterior alveolar is slightly concave. The body has 37 to 43 scales. The first dorsal fin has 4 spines, while the second dorsal fin is smaller and starts behind the anal fin. Pectoral Fins: These fins are 2/3 of the head length. Anal and Pelvic Fins: These fins are small. The second dorsal and anal fins have few scales, with scales only on the anterior and basal parts. The dorsal surface is green, the flanks and abdomen are iridescent silver, and the fins are slightly dull. There is a difference in the measurement criteria between the study areas, but there is no difference between male and female groups. Mahalanobis distance analysis showed no conformational difference between male and female groups of <em>M. cunnesius</em> and no similarity between sexes. Nutritional biological characteristics: The food composition includes a variety of zooplankton phytoplankton benthic animals, and organic detritus. Organic humus has the highest occurrence, followed by dinoflagellates, blue-green algae, diatoms, and the lowest is arthropods. This diverse food composition illustrates that <em>M. cunnesius</em> is an omnivorous species. Genetic Characteristics: <em>COI</em> gene DNA barcoding was used to study the genetic diversity of <em>M. cunnesius</em> in two regions of the North and the South of Tam Giang lagoon. Amplified and sequenced 10 samples of the <em>COI</em> gene of <em>M. cunnesius</em> in Tam Giang lagoon recorded a size of 650 bp. The rate of difference in <em>COI</em> sequences of the 2 samples is low compared to previous studies. The similarity coefficient of <em>M. cunnesius</em> in the two areas of Tam Giang lagoon is very high (0.9953).
dc.identifier.doihttps://doi.org/10.46989/001c.122100
dc.identifier.issn0792-156X
dc.identifier.urihttps://hdl.handle.net/10524/77947
dc.relation.ispartofThe Israeli Journal of Aquaculture - Bamidgeh
dc.subjectGenetic diversity
dc.subjectlongarm mullet
dc.subjectbiological characteristics
dc.subjectmtCOI
dc.titleBiological characteristics of <em>Moolgarda cunnesius</em> (Valenciennes, 1836) in Thua Thien Hue, Vietnam
dc.typeArticle
dc.type.dcmiText
prism.volume76

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Volume 76, Issue 3, 2024