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Yes, it is not easy to find and be found, the front end of the head is the mouth, the back part has the nose, eyes and gill cover, some varieties have sarcoma at the upper end of the head, some varieties have pompomas above the nose, some varieties have protruding eyes, the position is facing up or there are blisters, and some varieties have the operculum leaking out to form a flip gill.
The body of the goldfish is covered with scales, mainly normal scales, transparent scales and pearl scales, and its side has a lateral line, and the number of lateral line scales, lateral line scales and lateral line scales of different species of goldfish is different.
A typical goldfish torso has pectoral fins, pelvic fins, anal fins, dorsal fins, and caudal fins, and some species do not have dorsal or anal fins. The tail of a goldfish is composed of a caudal peduncle and a caudal fin, and its caudal fin shape is varied.
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Goldfish don't have ears. He relied on the white line measured by the fishing line 2 and could be seen with the naked eye. It's by that to feel the movement around you. The line is very sensitive to movement in the water, and even the slightest vibration can be detected.
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Of course, there is, but the ears of the fish do not have pinna, so it is not easy to find, if you are interested, you can look carefully between the gill cover and the eyes of the fish, and you will find an inconspicuous depression, that is, the ears of the fish.
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Yes! Fish have ears, and most of them have good hearing. Sound travels much more easily in water than in air.
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Goldfish are mammals, not whales, on the first floor.
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Goldfish don't have ears, they can judge their surroundings by feeling the current around them, even if you are moving on land, but you can make a little change in the water, the fish can know!
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He is a lactomever as he should have.
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I came in to see the answer, but I saw the first floor.
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Buy one to take a closer look.
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Dream goldfish heard about auspicious things and knew that the man was pregnant.
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Goldfish do not have external ears, and from the outside it seems that the fish does not have ears. But fish do have ears, and most fish have very good hearing.
The human ear has a tympanic membrane, and when sound enters the ear, the eardrum vibrates, and this vibration is transmitted to the auditory part of the ear, and the sound can be heard.
Sound travels much more easily in water than in air. There is a lot of water in the body of the fish, and the sound passes directly through the body of the fish and reaches the ears, because the fish do not have an eardrum, so most of the ears of the fish do not communicate with the outside world at all, but are protected in the sacs on both sides of the head, which are just behind the eyes. Many species of fish can collect sounds in a different way.
Their ears are connected to the swim bladder, and the sound in the water makes the swim bladder walls vibrate, just as sound passing through air makes the eardrum vibrate. This vibration then travels to the ear, usually along a string of small bones connected to the swim bladder. Some fish do not rely on small bones to transmit vibrations, but on tubular organs that extend from the swim bladder.
Sound is important for fish. Many fish can make powerful calls to each other, which can be heard from several kilometers away. Some fish make vocalizations by grinding their teeth, while others make vocalizations by rubbing their fins on their bodies.
Many fish use their swim bladders to make vocalizations. The special percussive muscle reeds in front of the meat vibrating to make a sound.
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Of course, there is, but the ears of the fish are not as good as the pinna, so they are not easy to find, if you are interested, you can look carefully between the gill cover of the fish and the eyes of the defeat, and you will find a hollow trembling depression that is not obvious, that is the ears of the fish.
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Goldfish don't have ears. He relied on the white line measured by the fishing line 2 and could be seen with the naked eye. It's by that to feel the movement around the lead sedan car. The line is very sensitive to movement in the water, and even the slightest vibration can be detected.
From the outside, it seems that the fish has no ears. Indeed, for a long time it was thought that fish could not hear anything. But fish do have ears, and most fish have very good hearing. >>>More
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Replying to 77 Radish 's post The death of the goldfish may be due to the fact that you didn't pick it well, that there is too little oxygen, or that you don't have the tap water that you use directly. Goldfish don't know how to be full, you need to control the amount can not be too much, generally feed one-third of the fish head, just start raising 1 time a day, try not to feed things with oil, easy to spoil water. It's okay to feed rice. >>>More