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Glass Catfish

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Scientific Name:   Kryptopterus minor      
Min. Tank Size:   30 gallons      
Personality:   Peaceful      
Temperature:   68-79°F      
pH:   6.0-8.0/5-20°dGH      
Size:   3.5"      
Diet:   Carnivore/Will accept flakes      
Breeding:   Egglayer      


Do not keep with large, boisterous species; instead try smaller, peaceful Cyprinids, Rasboras, smaller Anabantoids and Dwarf Cichlids.

Glass Catfish

Native to Asia, Glass Catfish can be found in Borneo, Sumatra and Thailand as well as in the Malay Peninsula. These fish typically inhabit large, flowing rivers and streams where the water is peaty and cool. These catfish earned their name for the transparency of their bodies which is similar to glass. The only non-transparent parts of a Glass Catfish's body are the head, bone and organs. Like all catfish, this species is scaleless and it also has a set of barbels positioned in front of the anal fin.

Tank Set-up

Glass Catfish prefer planted tanks that provide plenty of open swimming space as well as a strong current. These fish also enjoy floating plants and dim lighting. Because they have no scales, Glass Catfish are particularly sensitive to water chemistry and medications. When treating this species for disease, it is wise to reduce the dosage to avoid harming the fish. These fish are very peaceful in nature and do well in tanks with other small, timid species.


These catfish are omnivorous by nature and are likely to accept any type of food offered. A staple diet for Glass Catfish should include small, high-quality flakes or pellets supplemented with small live and frozen foods to promote optimal health.


Breeding Glass Catfish is very difficult in the home aquarium and there are few known reports of success. Because these fish are seasonal spawners, attempting to simulate the rainy season they would experience in their natural habitat may encourage spawning. To create this condition, lower the tank temperature by several degrees and perform large water changes.


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