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Щука не смогла проглотить живца! Новое блюдо в садже. Закрытие зимнего сезона. Зимняя рыбалка 2021.

Щука не смогла проглотить живца! Новое блюдо в садже. Закрытие зимнего сезона. Зимняя рыбалка 2021.

Channel: ЛЮДИ, У КОТОРЫХ ВСЕГДА КЛЮЁТ

подводное видео

подводные съёмки

подводный мир

подводная охота

подводные съёмки рыб

подводный оператор

дайвинг

Щукин Андрей

подводные съёмки рыбалки

рыбалка

спиннинг

рыбалка чумовая

крутая рыбалка

осень

под водой

наши рыбы

карась

плотва

щука

судак

жерех

окунь

сазан

сом

лещ

Cyprinus carpio

Silurus glanis

Esox lucius

Sander lucioperca

Perca fluviatilis

Lota lota

дельта Волги

Волга

Ахтуба

Дон

Ока

Москва река

Сибирь

Балхаш

река Или

О чём молчат рыбы

00:00:00

[music]

00:00:24

vision for higher vertebrates

00:00:27

is one of the most important sense organs,

00:00:29

thanks to which they perceive

00:00:31

more than 80 percent of information about

00:00:34

the world around them

00:00:35

[music]

00:00:41

although for many fish vision is not

00:00:43

the most important because in the process of

00:00:45

evolution they acquired the ability

00:00:47

to use other senses

00:00:49

that helped they need to adapt to

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life in the water

00:00:52

[music]

00:00:59

therefore, the loss of one or even both

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eyes is usually not a sufficient

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reason for the death of a fish

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[music]

00:01:13

for example, this trout does not have a left eye,

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however, it is not at all different from its

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fellows both in behavior and in

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fatness, although for these fish,

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vision while searching for food is of

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paramount importance

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[music]

00:01:39

and yet the loss of both eyes for a small

00:01:43

trout can end tragically,

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but for nocturnal inhabitants, for example, for

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many catfish, the loss of even both eyes will not

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lead to death

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because they primarily rely

00:02:16

on special the organs of taste with the help of

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which they detect edible

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objects during night raids and

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daytime swims,

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although during daylight hours they are most

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inferior to their victims,

00:02:35

whose vision is much better developed, and

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yet vision for fish is a very

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important organ of perception of the surrounding

00:02:47

world in the process of evolution in Each

00:02:53

biological species has developed a

00:02:56

visual apparatus that helps

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its owner survive in its habitat.

00:03:03

Adaptations of the visual system to

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living conditions affect both the optics and the receptor

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apparatus and visual pigments,

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so different animals see the world

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differently

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[music]

00:03:22

century, they have protective eyes from mechanical

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damage of all animals, but

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fish do not have a single eyelid to blink another reflex,

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why did nature deprive them i think i do

00:03:38

they need to blink at all? fish

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are constantly in the water which

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washes and visual organs, we provide

00:03:49

natural hydration at the

00:03:54

same time, the water perfectly

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washes away any dirt

00:04:04

[music]

00:04:06

many fish lead a bottom-dwelling lifestyle

00:04:09

and can dig for a long time in the sand at the bottom; the

00:04:13

water softens the abrasive quality of the sand,

00:04:17

preventing it from damaging the eyes of the fish and

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washes away any dirt from the cornea

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[music] the

00:04:29

eye shells of the fish are dense enough

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to protect the eyes of the fish from

00:04:35

damage to the water and that’s it however, there are

00:04:40

exceptions to the general rule,

00:04:47

for example, the eyes of some species of sharks are

00:04:49

covered with a protective film at the moment of

00:04:52

attack on the victim; the shark momentarily

00:04:55

covers the visual organs from

00:04:56

possible mechanical damage while

00:05:00

retracting the eyes for a second,

00:05:02

becoming blind; it is the eyes and gills that

00:05:08

are the most painful for a shark

00:05:20

[music]

00:05:33

at night, most fish lie on the

00:05:36

bottom with their eyes open and doze

00:05:44

during sleep or rest; fish do not

00:05:46

close their eyes with eyelids

00:05:48

[music]

00:05:52

constantly open eyes do not prevent the fish from

00:05:54

being at rest

00:05:58

because the brain and nervous system of fish are

00:06:00

developed differently than in mammals; extra

00:06:05

visual information does not overload the

00:06:07

psyche of the fish

00:06:08

[music]

00:06:17

and

00:06:20

[music]

00:06:27

most fish have color

00:06:28

vision but distinguish colors only at a

00:06:31

certain level of water illumination

00:06:34

[music]

00:06:40

for example, red color has the longest

00:06:43

wavelength and is absorbed by water more strongly than

00:06:45

others,

00:06:46

already at a depth of 5 meters this color

00:06:48

is indistinguishable a at a depth of 10 meters, the

00:06:52

color green is perceived as black,

00:06:57

they penetrate the water column to about 15

00:06:59

meters, and at a depth of over 20 meters, for

00:07:05

fish with color vision, everything

00:07:08

acquires a blue-green tint. To

00:07:13

summarize, we can say that fish are

00:07:16

more sensitive to yellow, green and

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blue colors and the least sensitive

00:07:22

red color, in addition to the visible spectrum,

00:07:26

some fish are able to distinguish the

00:07:29

ultraviolet range, which

00:07:31

penetrates even deeper into the water column than the

00:07:34

rays of the visible spectrum for the perception of

00:07:37

light and color, on the retina of the fish’s eye

00:07:40

there are two types of photoreceptors, the so-

00:07:43

called cones and rods, and the cones

00:07:48

are responsible for fixing a color

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image,

00:07:51

respectively, than their the more the better, the

00:07:54

fish recognizes the visible spectrum

00:07:57

[music]

00:07:58

this is usually observed in diurnal fish

00:08:01

such as pike,

00:08:03

perch, asp

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[music]

00:08:08

in fish that prefer a twilight

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lifestyle, rods predominate on the retina,

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these photoreceptors do not produce a

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color image,

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but are not much sensitive to light

00:08:26

[music]

00:08:29

such fish like burbot, pike perch, have very

00:08:33

sharp eyesight, while the vessel is

00:08:39

also able to distinguish the finest

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shades of color

00:08:44

[music]

00:08:51

so on a moonlit night in shallow water, at a

00:08:54

distance of one meter, pike perch easily

00:08:56

recognizes the primary colors

00:09:11

[music]

00:09:20

and in the fall, during the daytime on the lower Volga,

00:09:24

pike perch clearly distinguishes colors at a depth of

00:09:27

12 and 13 meters because, in addition to a large

00:09:33

number of light-sensitive rods

00:09:35

on the retina of the eyeball, the pike perch

00:09:38

has a special light-reflecting

00:09:40

membrane tapetum;

00:09:47

this membrane, roughly speaking,

00:09:49

consists of a layer of plates that reflect

00:09:52

light like mirrors,

00:09:58

thus part of the case that escaped

00:10:02

analysis is reflected by the nerve cells of the retina by

00:10:04

this membrane and is sent

00:10:07

back to the retina for modification

00:10:12

[music]

00:10:15

this phenomenon makes the pike perch’s eyes

00:10:18

look like a cat’s when light hits the

00:10:23

pike perch’s eyes they seem to glow

00:10:34

[music]

00:10:38

but the mustache in vision is really

00:10:41

poorly developed,

00:10:50

although the eye itself has high

00:10:52

light sensitivity, it is almost not

00:10:55

capable of focusing

00:10:59

[music]

00:11:13

this predator can distinguish

00:11:16

objects that are quite contrasting with respect to the background,

00:11:19

for example, a

00:11:20

dark silhouette of a fish on a light background of the

00:11:22

water surface, but

00:11:31

its sharpness is very low; to search for food, catfish

00:11:34

use other tools: the organs of

00:11:37

smell and touch,

00:11:39

hearing and the lateral line even in conditions of a

00:11:44

bright sunny day, its ability to

00:11:47

clearly see a food object is very

00:11:49

weak, so for itself the

00:11:54

main time to search for prey is at night

00:11:57

when most fish speed

00:12:00

[music]

00:12:06

and even at night, sleepy fish are not such an

00:12:09

easy prey; teeth marks on small crucian

00:12:14

carp indicate that he recently

00:12:16

escaped from the mouth of a predator

00:12:20

[music]

00:12:24

in the process of evolution, nature has experimented more than once

00:12:27

creating all sorts of

00:12:30

variations of eyes and optical

00:12:32

devices; one of the latest

00:12:36

and most successful developments of nature was

00:12:39

the eye of a fish; its structure and

00:12:43

inherent capabilities were passed on to all

00:12:45

vertebrate animals on earth,

00:12:48

including person

00:12:51

[music]

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