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All Journal Biosaintifika: Journal of Biology & Biology Education
Elly Tuti Winarni
Faculty of Biology, Universitas Jenderal Soedirman, Indonesia
Agriculture, Biological Sciences & Forestry

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Molecular Characterization of Anguilla sp. with Special Notes on Its Population Genetic in the Rivers of Cilacap Central Java, Indonesia Agus Nuryanto; Sri Riani; Dian Bhagawati; Elly Tuti Winarni; Farida Nur Rachmawati
Biosaintifika: Journal of Biology & Biology Education Vol 14, No 1 (2022): April 2022
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v14i1.35421

Abstract

Taxonomic status of Anguilla species in the rivers of Cilacap is vital for further study, such as population genetics and evolutionary history. Taxonomic status, population genetic, and evolutionary histories of Anguilla can be assessed using single genetic marker, such as cytochrome oxidase 1 gene. This study aimed to determine taxonomic status, genetic diversity and connectivity, and evolutionary history of Anguilla populations in the rivers of Cilacap. Anguilla samples were collected from Doplang-Serayu and Segara Anakan watersheds.  Sequence homology test to the conspecific sequence in GenBank proved that all samples from Doplang-Serayu watershed were genetically identified as Anguilla bicolor (98.23 to 100% homology). The decision was supported by monophyly between samples and their conspecific references. Anguilla bicolor from both watersheds had high haplotype (gene) diversity. Amova and Fst analysis proved that no genetic difference (p=0.623) was observed between Doplang-Serayu and Segara Anakan watersheds, indicated panmixing.  Haplotype network proved that both populations were evolved from two primitive ancestors. This study concluded that Anguilla bicolor was the only freshwater eel observed in the rivers of Cilacap. Anguilla bicolor in the rivers of Cilacap has high genetic diversity but no genetic differentiation was observed among populations. Anguilla bicolor population in the rivers of Cilacap evolved from two primitive ancestors.
Morphological Differences between Chaetodon auriga and Chaetodon vagabundus based on Truss Morphometric Characters Rosewitha Anggraeni Privieshanti Hadi; Elly Tuti Winarni; Dian Bhagawati; Agus Nuryanto
Biosaintifika: Journal of Biology & Biology Education Vol 13, No 3 (2021): December 2021
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v13i3.31466

Abstract

Chaetodon auriga and Chaetodon vagabundus are popular marine aquaria fish from Cahetodontidae family. Both species show subtle morphological variations, especially in juvenile stages, which might lead to misidentification. Additional morphological characteristics, such as truss morphometric, are valuable characters for species identification in Chaetodontidae. This study aimed to evaluate morphological differences between Chaetodon auriga and C. vagabundus based on truss morphometric characters. The study is expected to provide new morphometric characters for Chaetodon auriga and C. vagabundus differentiation on the southern coast of West Java, Indonesia. Fish samples were collected from Ujunggenteng and Taman Manalusu Beach. The specimens were identified based on morphological characteristics and referred to the characters available in the literature. Truss morphometric characters were measured using callipers with an accuracy of 0.01mm and convert to ratio values to obtain constant value. The data were analyzed statistically using the Mann-Whitney test in SPSS software packages. The result showed that five truss morphometric characters were significantly different between C. auriga and C.vagabundus.  This study concluded that C. auriga and C. vagabundus could be differentiated using truss morphometric character. This study provides five new morphometric characters for species differentiation in fish species, especially between C. auriga and C. vagabundus.
Co-Authors Agus Nuryanto Agus Nuryanto Dian Bhagawati Farida Nur Rachmawati Rosewitha Anggraeni Privieshanti Hadi Sri Riani