What Animal Has No Stomach?

What animal does not have eyes?

sea urchinResearchers said on Thursday that the red brittle star, called Ophiocoma wendtii, is only the second creature known to be able to see without having eyes – known as extraocular vision – joining a single species of sea urchin..

Which animal has no mouth and no digestive system?

That’s Latin for “hairy sticky plate” — which is about what it looks like. To this day, Trichoplax remains the simplest animal known. It has no mouth, no stomach, no muscles, no blood and no veins.

Can a platypus kill a dog?

The venom of the platypus can kill your dog While there have been no reported human fatalities from the platypus, they have been known to kill dogs which have been unlucky enough to be stung by their sharp spur.

What animal has 7 hearts?

Octopuses or octopi (both are technically correct) are one of the most well-known animals with multiple hearts.

Which animal has teeth in its stomach?

Lobsters and crabs have teeth— in their stomachs. These are used to crush its food, but they also have a strange secondary function in ghost crabs: making a noise that wards off predators. Believe it or not, lobsters, as well as other crustaceans such as crabs and crayfish, have teeth in their stomach!

What animal has the most brains?

sperm whaleThe sperm whale has the biggest brain of any animal species, weighing up to 20 pounds (7 to 9 kilograms).

What animal has 8 hearts?

Explanation: Currently, there is no animal with that amount of hearts. But Barosaurus was a huge dinosaur which needed 8 hearts to circulate blood upto it’s head. Now, the maximum number of hearts is 3 and they belong to the Octopus.

Do all mammals have stomachs?

The stomach is the part of the gut where the main part of digestion takes place. … Fish are not the only creatures that can lack stomachs. All of the monotremes, or egg-laying mammals such as the platypus and echidna, also lost their stomachs during the course of evolution.

What animal has 800 stomachs?

Etruscan shrewPhylum:ChordataClass:MammaliaOrder:EulipotyphlaFamily:Soricidae11 more rows

Can platypus be pets?

According to its website, Healesville was the first sanctuary to breed platypus in captivity starting in the 1940s with the birth of a platypus named Connie. Today, visitors can pet and feed the aquatic animals.

Do fish have stomachs?

The stomach varies greatly in fishes, depending upon the diet. In most predacious fishes it is a simple straight or curved tube or pouch with a muscular wall and a glandular lining. Food is largely digested there and leaves the stomach in liquid form.

Can a platypus kill you?

The duck-billed platypus is another venom-producing mammal, but doesn’t get much attention because you probably won’t ever see one. These cuties found here have venom that can be lethal, but there are no recorded cases of them killing humans.

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.

How do platypus eat without a stomach?

A platypus doesn’t really have a stomach. Instead of a separate pouch where food collects, the platypus’ esophagus is directly connected to its intestine.

Do some animals have no digestive system?

Yet over the years — probably many, many millions of years — a large number animals have lost their stomachs. Examples range from the platypus and ghost shark to the lungfish. A team of scientists wanted to probe how such animals evolved to live without these meal digesting organs.