There are over 1,700 cichlid species, many almost identical save for their uniquely adapted jaws which have evolved to eat crustaceans, mollusks, worms, algae, plankton, and even the scales of other fish.
其种类超过一千七百种,许种类几乎一模一,但为了吃甲壳动物、软体动物、虫类、藻类、浮游生物甚至其他鱼类的鳞片而演化出不同的颔。