A guide to the flora
and fauna of the world
All images by the ICZ
Flowerhorn cichlids are ornamental aquarium fish noted for their vivid colours and bulbous humped heads. A man-made hybrid, the flowerhorn was popular in Singapore in the late 1990s. When their popularity waned, owners released the fish into the local waters. Today, the fish thrive in large numbers in local reservoirs and waterways. Scientists have reported that the flowerhorn has taken on a different adaptation in recent years. The bulbous and round head it once had has given way to a sharp, flat and rounded disc. It is posited that the more streamlined form allows them to swim quickly away from predators.
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