The reference genome of Macropodus opercularis (the paradise fish)

Fodor, Erika and Okendo, Javan and Szabó, Nóra and Szabó, Kata and Czimer, Dávid and Tarján-Rácz, Anita and Szeverényi, Ildikó and Low, Bi Wei and Liew, Jia Huan and Koren, Sergey and Rhie, Arang and Orbán, László and Miklósi, Ádám and Varga, Máté and Burgess, Shawn (2024) The reference genome of Macropodus opercularis (the paradise fish). SCIENTIFIC DATA, 11. No.-540. ISSN 2052-4463

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Abstract

Amongst fishes, zebrafish (Danio rerio) has gained popularity as a model system over most other species and while their value as a model is well documented, their usefulness is limited in certain fields of research such as behavior. By embracing other, less conventional experimental organisms, opportunities arise to gain broader insights into evolution and development, as well as studying behavioral aspects not available in current popular model systems. The anabantoid paradise fish (Macropodus opercularis), an “air-breather” species has a highly complex behavioral repertoire and has been the subject of many ethological investigations but lacks genomic resources. Here we report the reference genome assembly of M. opercularis using long-read sequences at 150-fold coverage. The final assembly consisted of 483,077,705 base pairs (~483 Mb) on 152 contigs. Within the assembled genome we identified and annotated 20,157 protein coding genes and assigned ~90% of them to orthogroups.

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