A genus of small to medium-sized fish found in coastal and brackish waters, commonly called mojarras, valued as food and bait.
From Greek 'gerres' (an old word for a type of fish). The scientific name preserves an ancient term that may refer to the fish's bony structure or appearance.
Gerres fish are incredible osmoregulators—they can live in freshwater, saltwater, or brackish water by adjusting how much salt they absorb and excrete, making them one of the most adaptable fish families on Earth.
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