Is Tonina a Good Plant for Asian Arowana?

Tonina fits inside the water range normally used for Asian Arowana. The shared window is about 26 to 30 °C, pH 6 to 6.8, and 1 to 5 dGH, which gives you enough room to aim for stable middle-ground conditions.

Both do best with moderate flow, so circulation does not need to be split into competing zones.

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

Asian Arowana does not put unusual pressure on this plant compared with harder fish-plant combinations.

Tonina has moderate cover density, low uproot resistance, and delicate leaves. It can also help with breaking up sight lines and shrimp refuge.

The plant helps break up sight lines, which can soften territorial behaviour.

There is no special plant-pressure warning here, so solid anchoring and stable husbandry matter more than unusual protection.

Tonina is a stem plant usually used midground and background.

Asian Arowana is an oddball fish, so the pairing works best when the planting style supports how that fish uses space and cover.

Tonina reaches about 30 cm tall by 5 cm wide and is usually rooted in substrate with nutrient-rich substrate preferred. 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 shrimp refuge. Place it where Asian Arowana can actually use that structure instead of hiding the plant where it cannot do much.

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

The decision should center on layout quality: keep the plant in the zone where Asian Arowana actually swims, shelters, or uses cover.