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fins, gills, scales, some of them have teeth.
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoFish have scales ,fins ,and slime to help it get away from the predator.
Wiki User
∙ 11y agothey're ectothermic, they have gills, fins, a lateral line and a swim bladder.
Wiki User
∙ 11y agoAll fish have the same general characteristics such as: gills that they use to breathe, an internal skelaton, and a single loop blood circulation. Hope this helped :)
Wiki User
∙ 12y agoFish havscalez
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