Lettuce Nudibranch - Buy One Get One FREE

Tridachia crispata


(0 Reviews)

Lettuce Nudibranch - Buy One Get One FREE

Lettuce Nudibranch - Buy One Get One FREE

Tridachia crispata


(0 Reviews)

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Care Facts

Size: 1 inch or less.
Care Level: Moderate
Temperament: Peaceful
Reef Safe: Yes
Diet: Algae
Origin: Caribbean
Acclimation Time: 1+ Hours
Minimum Tank Size: 10 Gallons
The Lettuce Nudibranch, Tridachia crispata, also known as the Lettuce Sea Slug, is a well-equipped algae eater that gets energy from the photosynthetic algae it consumes. They will even take the chlorophyll from the algae and incorporate it into its own tissue. Its body is green and wavy very closely resembling a leaf of lettuce. 
They are best housed in tanks with plenty of live rock and away from aggressive species. The Lettuce Nudibranch will rid your tank of unwanted algae while being a fascinating organism to watch. Unlike some other sea slugs, the Lettuce Nudibranch is not aggressive and not poisonous making it a risk-free addition to any tank. 

Took several days for them to adjust to my aquarium, but they are eating algae well


Reviewed by: Dave Carothers on July 27, 2023

Got a green and yellow in the package. Put them in different tanks. They are true explorers. They will end up anywhere in the tank while grazing. They don't go near the corals and the fish ignore them.


Reviewed by: James Fullard on Aug. 23, 2014

They eat away at rocks and glass...the water movement sometimes throws them around from one end to another because they are light weight......They are peaceful and are something different to look at ...very fun and interesting to have I def recommend to anyone !


Reviewed by: Ashley House on May 14, 2012

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