Often asked: How Do Mussels Excrete Waste?

What do mussels excrete?

The mussels are edible because they ” excrete the bacteria as faeces or mucus,” he says.

Do mussels urinate?

The rate of urine flow is high, up to 45 percent of the body weight per day in the freshwater mussel. In marine mollusks the urine has the same concentration as the blood, but (in the few cases examined) its ionic composition is different.

How do mussels get rid of large particles?

Though there are some few species actively collecting food around their place, mussels generally sieve food particles out of the water current caused by respiratory action. Ingestible particles are separated from indigestible ones, the latter swept out by the same water current leaving the mussel.

How do mussels clean water?

Freshwater mussels are nature’s great living water purifiers. They feed by using an inhalent aperture (sometimes called a siphon) to filter small organic particles, such as bacteria, algae, and detritus, out of the water column and into their gill chambers.

What eats a mussel?

Predators. Marine mussels are eaten by humans, starfish, seabirds, and by numerous species of predatory marine gastropods in the family Muricidae, such as the dog whelk, Nucella lapillus. Freshwater mussels are eaten by muskrats, otters, raccoons, ducks, baboons, humans, and geese.

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How long do mussels live for?

Although some mussels can live for up to 50 years, the brown mussel that we find along the east coast of SA only lives about 2 years.

What triggers urination?

Micturition, or urination, is the act of emptying the bladder. When the bladder is full of urine, stretch receptors in the bladder wall trigger the micturition reflex. The detrusor muscle that surrounds the bladder contracts.

Can your bladder fail?

When the bladder cannot contract properly, some or all of the urine remains in the bladder. If left untreated, this condition can lead to urinary tract infection and damage to the kidneys.

What muscles make you pee?

The primary function of the detrusor muscle is to contract during urination to push the urine out of the bladder and into the urethra. The detrusor muscle will relax to allow the storage of urine in the urinary bladder.

Is there poop in mussels?

It is the plankton (and other microscopic creatures) eaten by the muscle that are still in its digestive tract when caught and cooked – ie. the undigested remnants the mussel did not have time to digest. So in actually fact, I am not eating poo.

How do mussels defend themselves?

Mussels have developed hard, bivalve shells that prevent predators from getting to the soft meat on the inside. Although some animals can still break through the shell, it does ward off numerous other potential predators.

Why do mussels bury themselves?

Mussels live on the stream bottom, often completely burying themselves in the substrate (photo) leaving only their siphons exposed. They are hard to see because they blend in with the bottom and because any exposed part of the shell grows algae.

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Do mussels grow in dirty water?

“All species of bivalves, including mussels, oysters, and clams, are filter feeders,” the researchers explain. “As they filter water for food, they accumulate many types of contaminants, but do not break them down.

Is mussels good for health?

Mussels are a clean and nutritious source of protein, as well as being a great source of omega 3 fatty acids, zinc and folate, and they exceed the recommended daily intake of selenium, iodine and iron. Mussels are sustainably farmed with no negative impact to the environment.

Is eating mussels bad for the environment?

Mussel farming has virtually no negative environmental impact, and the shellfish clean up the sea. Eating farm-grown mussels may be a greener option than becoming a vegan, according to a study by the Ecological Society of America.

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