Answer:
Cichlid fish will start killing all other species in the lake
Step-by-step explanation:
Cichlid fish are very aggressive type of fish and some of its species are extremely aggressive than any other species of fish specially the ones found in tropical community fishes.
Thus, if cichlids fish is introduced into the murky lake, it will start preying other smaller tropical fishes and water species aggressively . Due to this the ecological balance of murky lake may get disturbed and soon the lake may turn into a dead lake.