Table 2.

Summary of miRNA associated functions described in each species reviewed in the manuscript.

Group	Species	miRNA	Associated function
Neotropical	Tambaqui	miR-122	Regulation of cholesterol metabolism
		miR-1; miR-206	Myoblast differentiation
	Pacu	miR-133a/b	Myoblast proliferation
Others	Nile tilapia	miR-499	Differentiation of slow-twitch muscle fibers
		miR-1; miR-206	Myoblast differentiation
		miR-133a/b	Myoblast proliferation
		miR-30c	Regulation of salt tolerance
		miR-429	Regulation of osmotic stress
		miR-21	Regulation of alkaline tolerance
		miR-122	Regulation of stress response
		miR-29; miR-129	Overexpressed in Ovary
		miR-129	Ovary maturation
		miR-29	Oogenesis
		miR-33a; miR-132; miR-135b; miR-212	Overexpressed in Testis
		miR-33a	Testis maturation
		miR-4585	Sex dettermination
		miR-17; miR-20a	Regulation of estrogen production
		miR-138; miR-338; miR-200a	Spermatogonial cell proliferation and spermatogenesis
		miR-456; miR-138	Testis differentiation
		miR-92d	Regulation of C3 complement expression
		miR-310, miR-92, and miR-127	Overexpressed in Streptococcus agalactiae infection
		miR-92d, miR-375, miR-146, and miR-694	Downregulated in Streptococcus agalactiae infection
	Atlantic Salmon	let-7a; miR-142; miR-144; miR-430; miR-451; miR-1594	Regulation of growth
		miR-29a	Collagen formation
		miR-20a; miR-25; miR-181a; miR-202; let7c/d/a; miR-125b; miR-222a/b; miR337 190a; miR-2188; miR-144; miR-731; miR-8157	Initiation of puberty
		mir-10, mir-21, mir-30, mir-181 and let7	Overexpressed in Caligus rogercresseyi infection
		miR-21, miR-181 and miR-30	Overexpressed in Piscirickettsia salmonis infection
	Rainbow trout	miR-21, miR-30d, miR-92a, miR-200, and miR-26	Cell differentiation and embryo development
		miR-103, miR-107, and miR-143	Post-prandial regulation of lipid and glucose metabolism
		miR-33; miR-122b	Regulation of lipogenesis and lipolysis
	Grass carp	miR-1a, miR-181a, miR-133a, miR-214, miR-133b, miR-206, miR-146, and miR-26a	Fast-twitch skeletal muscle growth