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Encyclopaedia

Marine fish

Marine species for reef, lagoon, and fish-only aquariums.

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Tank position and role

Choose the main zone or behavior, then open the filtered list.

Categories
746SurfaceSpecies that use the upper tank and water surface.616MidwaterVisible mid-column fish for movement and color.443BottomSubstrate, cave, and lower-tank inhabitants.304SchoolSpecies kept in higher numbers for natural movement.51GroupSpecies managed in small compatible groups.20Pair / trio / haremFish with tighter social pairing or group ratios.656Solo / centerpieceSpecies used as a main presence or single focus.25Nano tankSmall fish for compact tanks and lighter stocking.