WebApr 26, 2024 · A heater is essential to maintain a water temperature between 72 and 86 degrees. Keep a thermometer in the tank to ensure the temperature remains within this range. Jack Dempseys prefer a somewhat acidic environment, so keep the pH from around 6 to 8. In terms of water hardness, shoot for a range of 9-20 dGH. WebDec 20, 2024 · In scaleless fish, such as catfish, the spots are all connected and easy to see. These spots make up the lateral line organ. Each of these spots are pores …
Underwater camouflage - Wikipedia
Fish anatomy is the study of the form or morphology of fish. It can be contrasted with fish physiology, which is the study of how the component parts of fish function together in the living fish. In practice, fish anatomy and fish physiology complement each other, the former dealing with the structure of a fish, its organs or component parts and how they are put together, such as might be observed on the dissecting table or under the microscope, and the latter dealing with how thos… Fish have several types of fins, and they may have stiff rays or spines inside of them that keep them upright. Here are the types of fish fins and where they are located: 1. Dorsal fin: This fin is on the fish's back. 2. Anal fin: This fin is located near the tail, on the underside of the fish. 3. Pectoral fins: This fin is on each side … See more In general, fish have the same vertebrate body as all vertebrates. This includes a notochord, head, tail, and rudimentary vertebrae. Most … See more Most fish have scales covered with a slimy mucus that helps protect them. There are different scale types: 1. Ctenoid scales: Have a rough, comb-like edge 2. Cycloid scales: Have a smooth edge 3. Ganoid scales: Thick and … See more Many fish have a swim bladder, which is used for buoyancy. The swim bladder is a sac filled with gas that is located inside the fish. The fish can … See more Fish have gills for breathing. They inhale water through their mouths, then close their mouths and force water out over the gills. Here, hemoglobin in blood circulating in the gills absorbs … See more foundations of insurance economics
The fishes of the deep sea Natural History Museum
Web41 minutes ago · These fish relaxed their fins and spun repeatedly around their central axis before the mirror. “It looks like they’re doing a backflip, which is the most bizarre thing for … WebLoudoun Water and NOVA Parks announced the beginning of construction for the long-anticipated Reservoir Park on Monday, October 17. The milestone is the result of many … WebJan 9, 2024 · 20. Bottom fishing is the go-to technique for countless anglers out there, and it’s easy to see why. Known for its fun, action-packed outings, it can produce catches of pretty much any size. And while it might be a … disadvantages of csr policy