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Percomorphi is the largest order of teleost fishes. These fish are typically small to moderate in size and have a more or less streamlined or fusiform body shape. A key characteristic is that their ventral fin has no more than one spine and five rays. Additionally, the first dorsal fin always contains spines and is divided into suborders. This diverse group includes well-known fish such as perches, basses, gobies, mackerels, and blennies. A percomorph is simply a fish belonging to this order.12

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  1. Percomorphi
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