PlantFreshwaterIntermediate

African Fern

Bolbitis heudelotii

A slow-growing African fern with glassy, transparent leaves worth the wait.

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About

Bolbitis heudelotii is one of those plants that rewards patience in a way few others do. Originating from West Africa, this aquatic fern produces long, deeply lobed leaves with a remarkable translucency. Hold a light behind them and they almost glow. Mature plants spread both tall and wide, making them a natural choice for background or midground placement in larger aquascapes. In the wild it grows along stream banks and riverbeds where water movement is consistent, and it does best in the aquarium when attached to hardscape rather than planted in substrate. The rhizome must remain exposed. Bury it and it will rot. Tying it to driftwood or stone with fishing line until the roots take hold is the standard approach, and once established it anchors itself firmly. Growth is genuinely slow, and CO2 injection makes a real difference here, shifting the plant from barely-moving to actually progressing. Soft, slightly acidic water suits it best. Propagation is straightforward: simply divide the horizontal rhizome and reattach the sections. This is not a beginner plant. The attachment method, CO2 requirement, and water chemistry preferences mean it fits better with a keeper who already has a handle on the basics, but it is not especially demanding once those conditions are met.

At a glance

Type: Plant
Water: Freshwater
Adult size: 6–12"
Origin: Africa
Lighting: Moderate
CO₂: Required
Growth rate: Slow
Placement: background

Care guide

Attach the rhizome to driftwood or stone using fishing line rather than burying it in substrate. Exposed rhizomes prevent rot. Once roots establish, the plant anchors itself firmly. CO2 injection significantly boosts growth from sluggish to noticeable. Prefers soft, slightly acidic water with moderate lighting. Remove any decaying leaf matter promptly. Be patient; this fern rewards stable conditions but progresses slowly without supplemental carbon. Avoid copper-based treatments, which damage ferns. Mature specimens spread substantially, so position accordingly in background areas.

Breeding

Propagate by carefully dividing the horizontal rhizome with a sharp blade, ensuring each section retains some root structure. Attach divided portions to fresh hardscape using fishing line and allow them to establish independently. This method is reliable and low-risk, making propagation straightforward once the parent plant is mature enough to spare divisions.