Pest identification
What's eating my cryptocoryne lucens?
Pond/bladder snails
Signs: Small notches and holes along narrow leaf edges; heavy infestations denude clumps
Control: Introduce assassin snails or loaches; manually remove large snails during water changes
Thread/hair algae
Signs: Tangles around leaves and stems, restricting growth and making plants unsightly
Control: Reduce light duration, dose liquid carbon, add Amano shrimp; physically remove mats with a toothbrush
Crypt rot
Signs: Rapid collapse and liquefaction of all leaves, typically after a water change or tank move
Control: Keep temperature, GH, KH and pH stable; do not uproot the rhizome — new leaves emerge within 2-4 weeks
Keep cryptocoryne lucens pest-free
Healthy plants resist pests best. Get the basics right:
Cryptocoryne lucens pests — FAQ
What is eating my cryptocoryne lucens?
Cryptocoryne lucens is a slim-leaved aquarium plant vulnerable to the same aquatic threats as other Crypts: snail grazing, algae competition, and the dreaded Crypt rot melt when water conditions change. Its narrow leaves are slightly less prone to heavy snail damage than broad-leaved species, but stable parameters remain essential.
How do I get rid of pond/bladder snails on cryptocoryne lucens?
Small notches and holes along narrow leaf edges; heavy infestations denude clumps Introduce assassin snails or loaches; manually remove large snails during water changes
How do I get rid of thread/hair algae on cryptocoryne lucens?
Tangles around leaves and stems, restricting growth and making plants unsightly Reduce light duration, dose liquid carbon, add Amano shrimp; physically remove mats with a toothbrush
How do I get rid of crypt rot on cryptocoryne lucens?
Rapid collapse and liquefaction of all leaves, typically after a water change or tank move Keep temperature, GH, KH and pH stable; do not uproot the rhizome — new leaves emerge within 2-4 weeks