Darter Fish: How They Stay at the Bottom and Thrive in Aquatic Environments
Darter fish stay at the bottom thanks to their large pectoral fins. These fins help them control their position in flowing water. They do not have a gas-filled swim bladder, allowing them to sink easily. These adaptations let darters remain still on the substrate while they feed on live invertebrates. Darter fish are also equipped … Read more



