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Sleepy Cod

Import this fish directly into your project. Learn about feed conversion ratios, oxygen and protien requirements, and visualize how your water quality is effecting the fish.



Sleepy cod is a high valued freshwater fish. They are bottom dwelling carnivorous fish, which spend most of their time being motionless on the bottom of the tank. However, they could also move in short burst when they are startled. As reported, this fish is considered as one of the best eating freshwater fish due to its sweet white flesh with no muddy flavor. For fish growers including aquaponics, this fish can be grown in high densities, can be transported easily and has high flesh recovery.


Sleepy cod grows best at 20-26 ℃ (the lower limit is 15℃ and upper limit at 38℃). Also, they are tolerant of low level dissolved oxygen (1.0 mg oxygen/liter) for extended period. As they are considered hardy species, they can tolerate wide range of water acidity (5.8 – 8.5) and turbidity.


As they are carnivorous, they require high protein in their diet. They could be fed with a sinking pellet containing 40% protein. They naturally feed on insects, crustaceans and fish. If fed with pellets, feeding must be monitored closely to maintain good feed efficiency and minimal waste. In terms of growth, they could grow to 500g in 18 months.


Sleepy cod could be harvested manually by hand. It is also very easy to transport them alive since they don’t require much oxygen as they only lay motionless in shipping bags.

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