These fish can hear sounds to almost 200,000 Hz, which reaches even higher frequencies than dolphins or bats can hear. But at the same time, much of the sound in human speech, boat engines, walking, music, and other noises we make aboard contain plenty of low frequencies that fishes are likely to hear. Does playing…
Fish retinas generally have both rod cells and cone cells (for scotopic and photopic vision), and most species have colour vision. Some fish can see ultraviolet and some are sensitive to polarised light. What colors can fish not see? The actual colors within the visible spectrum are determined by the wavelengths of the light: the…
How do you share data between Garmin fish finders? Sharing and Managing User Data You can share and manage user data using a memory card. You can share data if two compatible devices are connected using the blue and brown wires on the power cable or using the User Data Sharing Cable (Connecting to a…
Like human beings, most fish require both periods of light and darkness because they need to rest and regain their energy after a whole day of swimming, searching for food and mates. During this period of darkness, your fish will most likely find a quiet spot within the decorations and nap. Is it OK to…
It has soft flesh and bones and small eyes. Its skin is specially adapted to reflect blue light. Since nearly all light emitted from bioluminescent creatures is blue, the anglerfish can be nearly invisible to other deep sea animals. The anglerfish uses its illuminated lure as its hunts for prey. Can angler fish turn off…
Like all of the sunfish, the bluegill is native to central and eastern North America, not Montana. Where are bluegill fish located? RANGE: Bluegill range in North America extends from Canada to northern Mexico. HABITAT: Prime habitat for bluegill include weed beds, off deep points or in creek channels around sunken islands. They like quiet…
Fish do not need light at night. A period of darkness is necessary for the fish to sleep. Also, leaving the lights on all night could cause algae to rapidly grow and take over your aquarium. Just make sure the light is not too bright because you don’t want algae growing with the light of…
Goldfish don’t naturally sleep at night, like people do. They do sleep better when it’s dark and quiet, so many fish will sleep at night. If you make noise around a sleeping fish, it will startle awake. Thus, it’s best to keep the noise level down when your fish wants to sleep. Are fish OK…
All fish have some level of night vision, although some species like walleyes are much better than others at seeing in the dark. There are certain chemicals in our eyes that allow us to see colors and in different spectrums. Fish generally have excellent close up vision, but poor distance vision. Are fish OK in…
There are no fish in the lake, due to the high PH and mineral content. There are numerous species of aquatic birds that live on its shores and a rare small shrimp lives in the waters. Is it safe to swim in Soap Lake? Soap Lake water is a wonderful healer when used with common…