Which of these fish has teeth in its throat?

The moray eel is interesting in that its pharyngeal teeth are modified. The eel is able to swing these teeth forward from its throat to grab on to its prey and move it down the eel’s throat (kind of like in the movie “Alien”).

Which fish have teeth?

All fish have teeth. Specific types of swimmers—like goldfish—hide their pearly whites near the back of their throats. Similar to shark teeth, goldfish lose and replace teeth throughout their lifetime.

Which of these first has teeth in its throat?

Gold fish and loaches.

What kind of fish have sharp teeth?

Piranhas range from northern Argentina to Colombia, but they are most diverse in the Amazon River, where 20 different species are found. The most infamous is the red-bellied piranha (Pygocentrus nattereri), with the strongest jaws and sharpest teeth of all.

Do many fish have teeth?

All fish have teeth. Specific types of swimmers—like goldfish—hide their pearly whites near the back of their throats. Similar to shark teeth, goldfish lose and replace teeth throughout their lifetime.

Which freshwater fish have teeth?

Some fish, like the largemouth bass, channel catfish and certain types of sand sharks have sandpaper-like teeth. Other species, like barracuda, needlefish, and gar have needle-like teeth. Some fish species like the piranha and the great white shark use their teeth to tear chunks of flesh.

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Do goldfish have teeth in their throat?

Goldfish have teeth in their throat, near the bases of their gills, called pharyngeal teeth, which help them crush their food. Goldfish do not have eyelids, so their eyes are always open, even when they sleep.

How many teeth are in a fish mouth?

A fish called the Pacific lingcod has one of nature’s toothiest mouths, with about 555 teeth lining its two sets of jaws.

Do herbivorous fish have teeth?

Herbivorous Fish Teeth

Fish that live on plants and algae have teeth that are designed for cutting into vegetation and breaking it down. These fish rely on incisors which can either be “individual” like a human’s or melded together as almost one unit like a bird’s beak.

What are fish teeth made of?

Fish teeth are made of enameloid and dentin.

How do fish pee?

Like you, fish have kidneys. Kidneys help the body make urine. The shape and size of kidneys can be different depending on the species. … 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.

Do snakes have teeth?

No matter the length of the snake, they all have teeth (at least a few). In general, snake teeth are called ‘fangs’, though not all snakes actually have the famous fangs we think of when we think of venom and striking snakes. Snakes essentially have two types of teeth; fangs, and smaller, functional, non-fang teeth.

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Do penguins have teeth?

They have a bill and a tongue, but no teeth. First of all, penguins have a beak, with a pointy end to help them to grab their food, typically fish. The other outstanding feature of their mouth is the spikes on their tongues and the rooves of their mouths, that look like stalagmites and stalactites in a cave.