WebCountershading, or Thayer's law, is a method of camouflage in which an animal's coloration is darker on the top or upper side and lighter on the underside of the body. [1] This … WebJun 24, 2024 · In general, these fish spend a lot of time near the bottom of the tank since this is where the algae tends to be. They are also adaptable and can withstand changes …
Fish Fins: Types, Anatomy & Functions - Fish Article
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 WebFeb 15, 2024 · Luckily, Atlantic mackerel is high in omega-3s, low in mercury and rated a top choice in terms of health and sustainability. 16. Grouper. Grouper is on the list when it comes to fish you should never eat due to its moderately high mercury levels. This species is also highly vulnerable to overfishing. siesta windows neath
The Mystery of the Upside-Down Catfish KQED
WebCountershading, or Thayer's law, is a method of camouflage in which an animal's coloration is darker on the top or upper side and lighter on the underside of the body. [1] This pattern is found in many species of mammals, reptiles, birds, fish, and insects, both in predators and in prey. When light falls from above on a uniformly coloured three ... WebAug 5, 2024 · The underside of the fish is slightly lighter. On top of that base color, the fish have between 10 and 15 dark stripes. They’re very similar in appearance to a tiger. Depending on the particular fish, the … WebAppearance. This chubby-looking fish has a round, stout body and large eyes. Not the fastest swimmer, it propels through the water with its fanlike pectoral fins and broom-shaped caudal fin. It also has no scales — its … sietch forum