What is a Melanochromis simulans
Melanochromis simulans is a species of cichlid endemic to Lake Malawi where it occurs in the Masinje Rocks and at Cape Ngombo. This species can reach a length of 7.4 centimetres (2.9 in) SL. It can also be found in the aquarium trade.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What is a Melanochromis simulans
### Input: 
### Response: Melanochromis simulans is a species of cichlid endemic to Lake Malawi where it occurs in the Masinje Rocks and at Cape Ngombo. This species can reach a length of 7.4 centimetres (2.9 in) SL. It can also be found in the aquarium trade.