Meet Aequidens diadema, a South American cichlid known for its iridescent coloration and comparatively manageable temperament. Learn about aquarium size, water conditions, feeding, territorial behavior, compatible tank mates, and its unusual breeding behavior before adding a pair to your aquarium.
Not every tank has a bright light and a COâ system, and not every plant needs one. These are the low-light plants Caesar's original guide recommends when someone wants real, living green without turning the aquarium into a high-tech planted-tank project.
Anubias
Anubias is one of the most forgiving aquarium plants for a beginner. It grows slowly, tolerates lower light levels, and works especially well attached to driftwood or rock.
Do not bury the thick horizontal rhizome beneath the substrate. The roots can reach downward, but the rhizome itself should remain exposed so it does not rot.
Java Fern
Java fern is another dependable low-light choice that attaches naturally to hardscape. Like Anubias, it is usually better secured to wood or rock than planted with its rhizome buried in the substrate.
Its tolerance for a broad range of aquarium conditions is why it remains one of the most common recommendations for a first planted tank.
Java Moss
Java moss can attach to wood, rock, mesh, and other aquarium surfaces, creating a dense green texture without demanding intense light. It is especially popular in breeding and shrimp tanks because its fine growth provides lots of small hiding places.
It can survive in simple low-tech setups without injected COâ, although growth will generally be slower than in a more heavily fertilized and illuminated planted aquarium.
Cryptocorynes
Cryptocorynesâor âcryptsââare useful when you want a genuinely substrate-rooted plant that can still handle relatively modest lighting.
After being moved or exposed to a sudden change in conditions, crypts can experience âcrypt melt,â where older leaves deteriorate rapidly. Do not assume the plant is dead: if the root system remains healthy and the tank conditions stabilize, new growth can emerge.
A Couple of Fun Facts
- Anubias and Java fern are both commonly grown as epiphytes in aquariums, attached to rock or wood rather than planted deeply in the substrate.
- None of the four plants in this guide require injected COâ simply to survive, making them practical starting points for lower-tech freshwater aquariums.
Bring your tank size, light model, substrate type, fish or shrimp stock, and a photo of the aquarium when you visit Caesar's. The team can help you choose plants that suit the actual light and layout you have rather than the tank you would need to rebuild.









