Origins: Africa, Asia
Difficulty: Extremely Difficult
Growth Rate: Slow
Requirements: High light, temps 77 – 84F(25 – 29C), GH 6.0 / 3.4 °dH, KH 1.8 / 1.4 °dH, pH: Neutral to alkaline
Ottelia mesenterium is an aquatic plant endemic on the Indonesian island Sulawesi. It is only found in lakes Matano, Towuti and Mahalona, all three of them belonging to the Malili Lake System well-known in aquaristics mainly due to its spectacular shrimp and snail species.
This Ottelia is characterised by its strongly undulate leaves. These plants grow half under water with the top half often above the water surface. Ottelia, a very large and fast-growing plants requiring good light and fertile soil. Usually grows in ponds where water flow is slow.