Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2019 Feb 22;6(1):117-124.
doi: 10.5455/javar.2019.f321. eCollection 2019 Mar.

Landmark-based morphometric and meristic variations of freshwater garfish, Xenentodon cancila from four natural stocks of South-Western Bangladesh

Md Sarower-E-Mahfuj  1 , Md Motiur Rahman  1 , Monirul Islam  2 , Md Abdus Samad  1   3 , Alok Kumar Paul  4 , Ripon Kumar Adhikary  1
Affiliations

Landmark-based morphometric and meristic variations of freshwater garfish, Xenentodon cancila from four natural stocks of South-Western Bangladesh

Md Sarower-E-Mahfuj et al. J Adv Vet Anim Res. .

Abstract

Objective: The morphometric and meristic variations of Xenentodon cancila was studied based on the landmark-based truss network system to assess their phenotypic variations among four different freshwater stocks, viz. Boluhorpur baor, Jhenaidah (BBJ) (n = 29); Bhairab River, Jashore (BRJ) (n = 34); Arial Khan River, Madaripur (AKRM) (n = 28), and Bohnni baor, Gopalganj (BBG) (n = 25) in Bangladesh.

Materials and methods: Seven meristic characters were counted by using a needle. Eight morphometrics and 28 truss measurements were measured by using tpsDigV.2.1 software. In meristic characters, Kruskal-Wallis test was performed to determine any significant differences, whereas, in morphometrics and truss measurements, univariate statistics and discriminant function analyses were carried out by using SPSS 22 version.

Results: Significant differences were observed in four meristic characters among seven meristic characters in the Kruskal-Wallis test. In univariate statistics, only nine characters were observed significantly different among eight morphometrics and 28 truss measurements. The contribution of three discriminant function analyses (DFA), in which first DFA showed 49.2%, second DFA showed 33%, and third DFA showed 17.8% on behalf of both morphometric and truss measurements. In discriminant space, the four stocks were clearly separated. Two clusters were formed among four stocks, where BBG formed a single cluster, whereas BBJ and BRJ aggregately formed another cluster. Additionally, AKRM formed a sub-cluster with BBJ.

Conclusion: The preliminary information generated from the current study would be beneficial for further genetic studies and in the assessment of ecological impacts on X. cancila stocks in Bangladesh.

Keywords: Bangladesh; Morphometric; garfish; meristic; truss network.

PubMed Disclaimer

Conflict of interest statement

The authors acknowledged no probable struggles of curiosity with respect to the investigation, authorship, and publication of this object.

Figures

Figure 1.
Figure 1.. Map of Bangladesh showing collection locations of X. cancila from four freshwater sources.
Figure 2.
Figure 2.. Location of 13 landmarks across the fish body explained as a closed circle, number, and truss measurements among the circles as outlines.
Figure 3.
Figure 3.. Sample centroid of the discriminant function scores based on morphometric and truss measurements of X. cancila.
Figure 4.
Figure 4.. UPGMA dendrogram of four X. cancila stocks was developed by using morphometric and truss network measurements.
See this image and copyright information in PMC

References

    1. Cadrin SX. Advances in morphometric identification of fishery stocks. Rev Fish Biol Fish. 2000;10(1):91–112. http://doi.org/10.1023/A:1008939104413.
    1. MacLean JA, Evans DO. The stock concept, discreteness of fish stocks, and fisheries management. Canad J Fish Aquat Sci. 1981;38(12):1889–98. https://doi.org/10.1139/f81-235.
    1. Costa JL, de Almeida PR Costa MJ. A morphometric and meristic investigation of Lusitanian toadfish Halobatrachus didactylus (Bloch and Schneider, 1801): evidence of population fragmentation on Portuguese coast. Sci Mar. 2003;67(2):219–31. https://doi.org/10.3989/scimar.2003.67n2219.
    1. Pinheiro A, Teixeira CM, Rego AL, Marques JF, Cabral HN. Genetic and morphological variation of Solea lascaris (Risso, 1810) along the Portuguese coast. Fish Res. 2005;73(1):67–78. https://doi.org/10.1016/j.fishres.2005.01.004.
    1. Strauss RE, Bookstein FL. The truss: body form reconstructions in morphometrics. Syst Biol. 1982;31(2):113–35. https://doi.org/10.1093/sysbio/31.2.113.

LinkOut - more resources