However, if you don’t clean the tank regularly and start smelling ammonia, there’s your answer. Fish do pee, but freshwater and saltwater fish go about it in a different fashion. According to the Virginia-Maryland Regional College of Veterinary Medicine website, fish basically urinate all the time.
Do fishes pass urine?
Freshwater fish will passively intake water from their environment and then, as their insides are saltier than their surroundings, will excrete a diluted urine. … Fish have kidneys which produce urine containing ammonium, phosphorus, urea, and nitrous waste.
Do fish pee and poop at the same time?
How do Fish poop and pee? Fish pee and poo through their gills and skin. Some also pee and poop through a small opening known as a pore, located at the body’s rear end.
Where does fish pee go?
A lot of fish get rid of the pee through an tiny opening, called a pore, that’s near their rear ends—and in some fish, waste also goes out through the skin or the gills. When a fish pees in a coral reef, the corals wave their tentacles around like tiny arms to grab nutrients from the pee and absorb them.
Do fish have feelings?
Not only do fish have feelings, but this ability might have evolved hundreds of millions of years ago. Emotional states in animals are still a matter of debate for biologists. Now, for the first time, Portuguese researchers have demonstrated that fish have emotional states triggered by their environment.
Do hooked fish feel pain?
DO FISH FEEL PAIN WHEN HOOKED? Catch-and-release fishing is seen as a harmless hobby thanks in part to the belief that fish do not experience pain, and so they do not suffer when a hook pierces their lips, jaws, or other body parts.
Do fishes fart?
Most fish do use air to inflate and deflate their bladder to maintain buoyancy which is expelled either through their mouth or gills which can be mistaken for a fart. … Point being – No farts.
Do fish get thirsty?
The answer is still no; as they live in water they probably don’t take it in as a conscious response to seek out and drink water. Thirst is usually defined as a need or desire to drink water. It is unlikely that fish are responding to such a driving force.
Can a fish drown?
Most fish breathe when water moves across their gills. But if the gills are damaged or water cannot move across them, the fish can suffocate. They don’t technically drown, because they don’t inhale the water, but they do die from a lack of oxygen. Fishing equipment, such as some types of hooks, can damage the gills.
Do fishes cry?
Fish yawn, cough, and even burp. … “Since fishes lack the parts of the brain that set us apart from the fishes — the cerebral cortex — I doubt very much that fishes engage in anything like crying,” Webster told LiveScience. “And certainly they produce no tears, since their eyes are constantly bathed in a watery medium.”
Why is my fish poop stringy?
White fish poop is a poop with no food in it.
Your gut is responsible for absorbing nutrients and getting rid of wastes and undigestible material. … If your fish has not been eating, you will only see the mucus. This is the “stringy, white fish poop” in fish.
Do fish drink the water they swim in?
Fish do absorb water through their skin and gills in a process called osmosis. … In the case of freshwater fish, their blood and bodily fluids are much saltier than the water they swim in, so water will flow in through their gills. The opposite is true for saltwater fish.
How long does it take fish to poop?
Like any other living being, the food consumed by the fish is processed by the digestive system. The processed food goes through the intestines and is excreted out of the anus. Unlike peeing, which happens once every day, pooping happens every 48 hours. The process is quite extensive.
Do fishes sleep?
While fish do not sleep in the same way that land mammals sleep, most fish do rest. Research shows that fish may reduce their activity and metabolism while remaining alert to danger. … These periods of “suspended animation” may perform the same restorative functions as sleep does in people.