Is Mint Charlie a Good Plant for Gardner's Killifish?

Mint Charlie fits inside the water range normally used for Gardner's Killifish. The shared window is about 20 to 26 °C, pH 6 to 7.5, and 4 to 10 dGH, which gives you enough room to aim for stable middle-ground conditions.

Their flow expectations are close enough to combine: Mint Charlie prefers moderate flow, while Gardner's Killifish prefers gentle, low-flow water.

Both are suited to freshwater, so salinity does not add an extra planning problem.

Gardner's Killifish does not put unusual pressure on this plant compared with harder fish-plant combinations.

Mint Charlie has moderate cover density, low uproot resistance, and standard leaves. It can also help with breaking up sight lines and fry refuge.

This plant adds the denser cover that Gardner's Killifish usually appreciates.

The point to watch is gardner's Killifish often benefits from floating cover, so this plant may need to be part of a mixed planting plan rather than the whole answer.

Mint Charlie is a stem plant usually used midground and background.

Gardner's Killifish is a killifish, so the pairing works best when the planting style supports how that fish uses space and cover.

Mint Charlie reaches about 30 cm tall by 10 cm wide and is usually rooted in substrate with inert substrate is fine. That makes placement and anchoring more important than simply adding a larger bunch of stems or leaves.

In this pairing, the useful plant values are line-of-sight breaks and fry refuge. Place it where Gardner's Killifish can actually use that structure instead of hiding the plant where it cannot do much.

This is a sensible planted-tank choice for Gardner's Killifish, especially when you want the plant to do real work as cover, sight-line structure, or habitat detail.

The decision should center on this signal: Gardner's Killifish often benefits from floating cover, so this plant may need to be part of a mixed planting plan rather than the whole answer.

Mint Charlie is a strong choice for Gardner's Killifish when you want the plant to do real work in the tank, not just survive in the background. The pairing tends to perform best when the plant's cover, resilience, or placement naturally supports how the fish moves, hides, or claims space.