Quick Stats
Care Level: Easy–Moderate
Temperament: Peaceful
Color Form: Natural Matte Green
Diet: Photosynthetic (calcifying macroalgae)
Reef Compatible: Yes
Lighting: Medium
Water Conditions: 72–78°F / 22–26°C, pH 8.0–8.4, dKH 8–12, sg 1.023–1.026
Growth Rate: Slow to Moderate
Origin: Tropical Marine Waters
Family: Halimedaceae
Overview
Halimeda monile is a highly ornamental calcifying green macroalgae recognized for having the largest segments of all Halimeda species. Its bold, rounded structure creates a natural and well-proportioned look, making it an excellent choice for reef aquariums that benefit from strong visual anchors without aggressive growth.
This species grows slowly and remains very stable and non-invasive. Like other Halimeda, it incorporates calcium and carbonates into its structure, contributing to ecosystem stability and natural sediment formation. Best suited for established reef systems, Halimeda monile thrives under medium lighting, gentle to moderate flow, and stable levels of calcium, alkalinity, and magnesium. Regular supplementation with micronutrients and trace elements helps maintain long-term health and visual balance. Reef-safe and durable, it is ideal for mature, carefully balanced marine aquariums.