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Encyclopaedia

Fish atlas

Curated cards for behavior, feeding, and compatibility.

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Tank position and role

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

Categories
1,664SurfaceSpecies that use the upper tank and water surface.1,293MidwaterVisible mid-column fish for movement and color.1,240BottomSubstrate, cave, and lower-tank inhabitants.942SchoolSpecies kept in higher numbers for natural movement.140GroupSpecies managed in small compatible groups.74Pair / trio / haremFish with tighter social pairing or group ratios.1,109Solo / centerpieceSpecies used as a main presence or single focus.132Nano tankSmall fish for compact tanks and lighter stocking.