In New Jersey, many lakes close for fishing from March 17 to April 5, 2024, due to trout stocking. Lake Hopatcong and Mountain Lake allow catch-and-release fishing during this time. Fishing hours are from half an hour before sunrise until half an hour after sunset. Anglers aged 16 and older need a valid fishing license. … Read more

Yes, lake fish do sleep, but it is different from land mammals. They rest by lowering their activity and metabolism. Fish might stay alert to predators while floating or hiding. Sleep duration varies across species and can occur during both day and night. Environmental factors, like light and dark cycles, influence their sleeping patterns. Different … Read more

Most lake fish do not hibernate. Instead, they enter a state called torpor in winter. Their metabolism slows down, and they need less food and oxygen. Some species, like koi and gobies, may seek deeper water. While they don’t truly hibernate, they remain alive under the ice, resting until spring comes. Some lake fish, such … Read more

Yes, many lake fish have teeth. The pacu has teeth like human molars, and the yellow perch has 800 fine teeth. Largemouth bass have small, harmless teeth. Fish use their teeth to grip and manipulate food before swallowing. Examples of these fish include piranhas and koi, each having different teeth functions and locations. The presence … Read more

Lake fish can contain mercury, mainly as methylmercury, which is harmful. Common fish like smallmouth bass, walleye, and lake trout often have high mercury levels due to their size and their role as predators. Even in clean lakes, mercury can be present, as shown in studies by the National Park Service and the US Geological … Read more

Fish rarely bite humans in lakes. Smaller species, like bluegill or sunfish, may nibble if swimmers are still. Most fish prefer to avoid people. While rare bite incidents happen, they are uncommon. Fish are drawn to movement and sweat on skin, but bites usually cause only mild discomfort. Enjoy swimming safely! The risks associated with … Read more

Yes, koi fish swim upstream, especially during their mating season. Unlike salmon, koi do not migrate long distances. They are drawn to bubbles and may swim against currents due to environmental triggers or stress. This upstream swimming reflects their survival instincts and holds cultural significance in Japan and China. Koi fish are social creatures. They … Read more

Koi fish can improve water quality in horse troughs by eating algae and mosquito larvae. However, they do not prevent worms in horses. To ensure horse health, regularly clean and maintain water troughs. Proper filtration and monitoring of fish health are critical for overall success. Additionally, koi fish contribute to improving water quality. Their feeding … Read more

Koi fish are omnivores and can eat minnows. They have a varied diet, including fish food, algae, shrimp, and vegetables. Minnows can live safely with koi in the pond environment. Their interaction helps control algae and contributes positively to aquatic life. This compatibility ensures a well-balanced ecosystem. Minnows, on the other hand, are usually not … Read more

Koi fish usually get along well with lake fish like catfish and bass. They have a peaceful nature and do not hunt smaller fish. However, koi can interbreed with goldfish. It’s important to provide a spacious pond and maintain good water quality to support both species and ensure a harmonious coexistence. To enhance compatibility, pond … Read more