Mixed school of predominantly blue striped grunt, with schoolmaster (Lutjanus apodus) and Mahogany snapper (Lutjanus mahogoni) above, a grey snapper (Lutjanus griseus), and a large dog snapper (Lutjanus jocu).
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The grunts are a family, Haemulidae, of fishes in the order Perciformes. They are numerous and widespread, with about 150 species in 19 genera, found in tropical fresh, brackish and salt waters around the world. They are bottom-feeding predators, and named for their ability to produce sound by grinding their teeth. They also engage in mutualistic relationship with cleaner gobies of genus Elacatinus, allowing them to feed off of ectoparasites on their bodies....