ArticleScientific data2026
Genome assembly and Full-length transcriptome of Malabar Red Snapper, Lutjanus malabaricus.
Article in Scientific data, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The Malabar red snapper (Lutjanus malabaricus) is a high-value marine food fish of growing economic and aquaculture importance across the Indo-Pacific. Despite its significance, genomic resources for this species have remained scarce, hindering the application of genomic tools for selective breeding. Here, we present the first chromosome-level genome assemblies and full-length transcriptome of L. malabaricus. Using PacBio HiFi long-read sequencing and Hi-C scaffolding, we generated high-quality assemblies for unsexed, male, and female individuals, each approximately 1.0 Gb in size and anchored to 24 chromosomes. The assemblies exhibited exceptional contiguity (N50 ≈ 42 Mb) and completeness (BUSCO > 99%), with karyotyping confirming 2n = 48 telocentric chromosomes. Genome annotation identified ~25,000 protein-coding genes, and repeat sequences accounted for almost half of the genome, comparable to other reef-associated teleosts. Comparative analyses of the male and female assemblies revealed strong chromosomal synteny and localized sex-associated regions, suggesting a polygenic or complex mechanism of sex determination. The accompanying multi-tissue full-length transcriptome supports functional and developmental studies. Together, these genomic and transcriptomic datasets provide a comprehensive molecular foundation for population genetics, comparative genomics, and selective breeding in L. malabaricus.
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