Morphometry and molecular insights into three species of Balistidae family from the South-eastern Arabian Sea, India

Pratiksha, K S and Mridula, R and Rajesh, K M and Suyani, N K (2026) Morphometry and molecular insights into three species of Balistidae family from the South-eastern Arabian Sea, India. Journal of Environmental Biology, 47 (2). pp. 287-296. ISSN 2394-0379

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Abstract

The present investigation aimed to evaluate the mitochondrial COI and 16s rRNA gene sequences of three balistid species—Abalistes stellaris, Sufflamen fraenatum and Odonus niger—to assess the genetic congruence and phylogenetic relationships from the waters along the south-west coast of India. The morphometric measurements of Odonus niger and Abalistes stellaris showed a narrow range of coefficient of variation, suggesting minimal or very low intrapopulation variation, whereas Sufflamen fraenatum displayed a wide range, indicating high intra-population variation. The intra- and inter-species sequence divergence values, based on the COI gene, ranged between 0.0034 to 0.0051 and 0.1549 to 0.1824, respectively.

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