Description
Description
Marimo Moss Ball Plant (Cladophora aegagrophila)
Overview
The Marimo Moss Ball (Cladophora aegagrophila) is a unique and decorative freshwater plant known for its soft, velvety green spherical shape. It slowly grows over time into perfect round balls, making it a popular addition to aquariums for natural decoration, algae control, and enrichment for fish and shrimp.
Origin
Native to freshwater lakes in Japan, Iceland, and Northern Europe.
Lighting & Placement
Light: Low to medium (indirect light preferred)
Placement: Foreground or as free-floating decoration
Growth Habit: Slowly grows in a spherical shape; roll occasionally to maintain form
Feeding
Absorbs nutrients directly from water
Requires no substrate or fertilizers
Benefits from occasional gentle rolling to maintain shape
Tank Mates
Safe for all peaceful freshwater species:
Small fish, tetras, guppies
Shrimp and snails
Corydoras and other bottom dwellers
Provides grazing surfaces and enrichment for aquatic pets.
Aggression
Non-aggressive; completely peaceful.
Experience Level
Beginner-friendly; extremely low-maintenance.
Water Parameters
Temperature: 68–77°F (20–25°C)
pH: 6.0–8.0
Hardness: Soft to moderately hard
Notes: Gently squeeze and roll occasionally to prevent debris buildup and maintain round shape.
The Marimo Moss Ball (Cladophora aegagrophila) is a charming and functional aquarium plant that adds texture, novelty, and natural beauty to freshwater aquascapes.
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