TABLE 1.

Main research themes included in the Research Topic.

No.	Theme	Species	Main findings	References
1	Genetic diversity	sea urchin Mesocentrotus nudus	51,738 biallelic SNPs	Wang et al.
2	Discovery of associated molecular markers and candidate genes for economic traits	oriental river prawn Macrobrachium nipponense	NFkBα had a positive regulatory effect on testicular development	Jin et al.
		swimming crab Portunus trituberculatus	8 molecular markers for salt-alkali tolerance	Zhang et al.
		Pacific white shrimp Litopenaeus Vannamei	489 DEGs	Zhang et al.
3	Linkage maps and QTL analysis	Red swamp crayfish Procambarus clarkii	4,878 SNPs and 94 LGs	Guo et al.
		common carp Cyprinus carpio	28,416 SNPs and 50 LGs	Zhang et al.
		large yellow croaker Larimichthys crocea	9,885 SNPs and 24 LGs	Yu et al.
4	References genome assembly	pedunculate barnacle Capitulum mitella	Frist draft genome assembly	Chen et al.
5	Exploratory improvement methods for molecular breeding	Atlantic salmon Salmo salar	A cost-saving approach to genotyping	Dagnachew et al.
6	Quantitative genetic basis and genomic architecture of commercial traits	Atlantic salmon S. salar	Genetic variation and genetic correlation for smoltification traits	Khaw et al.
		Nile tilapia Oreochromis niloticus	Population genetic variation and QTL localization for feed efficiency traits	Barría et al.
7	Functional gene impact on omics	zebrafish Danio rerio	22 DEmiRNAs	Domingues et al.