{"id":10098,"date":"2025-09-26T09:40:02","date_gmt":"2025-09-26T09:40:02","guid":{"rendered":"https:\/\/hurghada-today.com\/?p=10098"},"modified":"2025-11-04T16:04:34","modified_gmt":"2025-11-04T16:04:34","slug":"do-fish-really-have-a-weak-memory","status":"publish","type":"post","link":"https:\/\/hurghada-today.com\/hu\/do-fish-really-have-a-weak-memory\/","title":{"rendered":"T\u00e9nyleg gyenge a halaknak a mem\u00f3ri\u00e1juk?"},"content":{"rendered":"

Val\u00f3sz\u00edn\u0171leg hallottad m\u00e1r valakit\u0151l, hogy \u201eHal\u00e9telem van!\u201d Ez egy gyakori kifejez\u00e9s a feled\u00e9kenys\u00e9g le\u00edr\u00e1s\u00e1ra. Az elk\u00e9pzel\u00e9s m\u00e9g n\u00e9pszer\u0171bb\u00e9 v\u00e1lt a Pixar ut\u00e1n. N\u00e9m\u00f3 nyom\u00e1ban, ahol Szenilla r\u00f6vid t\u00e1v\u00fa mem\u00f3riaveszt\u00e9sben szenved. Ez vezetett ahhoz a sz\u00e9les k\u00f6rben elterjedt hiedelemhez, hogy a halak csak h\u00e1rom m\u00e1sodpercig eml\u00e9keznek dolgokra. De vajon ez tudom\u00e1nyosan is igaz? Vajon azok a l\u00e9nyek, amelyek \u00e9vmilli\u00f3kig fennmaradtak \u00f6sszetett, vesz\u00e9lyes \u00f6kosziszt\u00e9m\u00e1kban, val\u00f3ban \u00e9lhetnek funkcion\u00e1lis mem\u00f3ria n\u00e9lk\u00fcl? Fedezz\u00fck fel a modern tudom\u00e1nyos bizony\u00edt\u00e9kokat, amelyek ezt bizony\u00edtj\u00e1k. A halak sokkal okosabbak \u00e9s tudatosabbak<\/strong> mint azt valaha gondoltuk \u2013 \u00e9s hogy a halak gyenge mem\u00f3ri\u00e1j\u00e1r\u00f3l sz\u00f3l\u00f3 m\u00edtosz egy\u00e1ltal\u00e1n nem t\u00fckr\u00f6zi mem\u00f3ri\u00e1juk val\u00f3di erej\u00e9t.<\/p>\n

\"Colorful
\u00c9l\u00e9nk sz\u00edn\u0171 tr\u00f3pusi halak \u00faszk\u00e1lnak kecsesen a korallz\u00e1tonyon \u2014 a tengeri \u00e9l\u0151vil\u00e1g soksz\u00edn\u0171s\u00e9g\u00e9t \u00e9s intelligenci\u00e1j\u00e1t szimboliz\u00e1lj\u00e1k.<\/figcaption><\/figure>\n

Mi\u00e9rt van a halaknak er\u0151s mem\u00f3ri\u00e1juk?<\/h2>\n

A mem\u00f3ria kulcsfontoss\u00e1g\u00fa a t\u00fal\u00e9l\u00e9shez. Seg\u00edt az \u00e1llatoknak t\u00e1pl\u00e1l\u00e9kot tal\u00e1lni, elker\u00fclni a vesz\u00e9lyt, \u00e9s felismerni az ismer\u0151s helyeket vagy m\u00e1s \u00e9l\u0151l\u00e9nyeket. A halak ragadoz\u00f3kkal teli, ny\u00edlt vizekben \u00e9lnek. Gyenge mem\u00f3ri\u00e1val egy napig sem \u00e9ln\u00e9k t\u00fal.
\nGondold \u00e1t logikusan:
\nHogyan lehetne halfajok<\/a> amelyek l\u00e9teztek t\u00f6bb mint 500 milli\u00f3 \u00e9v<\/em> tov\u00e1bbra is vir\u00e1gozhatnak, v\u00e1ndorolhatnak \u00e9s szaporodhatnak egy robusztus mem\u00f3riarendszer n\u00e9lk\u00fcl?<\/p>\n

Tudom\u00e1nyos k\u00eds\u00e9rletek t\u00e1rj\u00e1k fel a halak mem\u00f3riaerej\u00e9t<\/h2>\n

\u00cdme n\u00e9h\u00e1ny leny\u0171g\u00f6z\u0151 p\u00e9lda, amelyek egy\u00e9rtelm\u0171en azt mutatj\u00e1k, hogy a halak meglep\u0151en er\u0151s mem\u00f3ri\u00e1val rendelkeznek. A tud\u00f3sok sz\u00e1mos m\u00f3dot fedeztek fel arra, hogyan eml\u00e9keznek, tanulnak \u00e9s alkalmazkodnak a halak \u2013 bizony\u00edtva, hogy sokkal okosabbak, mint a legt\u00f6bb ember gondolja.<\/p>\n

T\u00e9rbeli mem\u00f3ria k\u00eds\u00e9rlet<\/h3>\n

Egy j\u00f3l ismert tanulm\u00e1nyban a kutat\u00f3k arra tan\u00edtott\u00e1k a halakat, hogy azonos\u00edts\u00e1k az \u00e9tel hely\u00e9t. egy tart\u00e1ly belsej\u00e9ben<\/a> a nap meghat\u00e1rozott id\u0151pontjaiban. M\u00e9g egy k\u00e9thetes sz\u00fcnet ut\u00e1n is ugyanazon a helyen \u00e9s id\u0151ben gy\u0171ltek \u00f6ssze t\u00e1pl\u00e1l\u00e9kra sz\u00e1m\u00edtva, ami azt mutatja, hogy hetekig kitartott az eml\u00e9kezet\u00fck<\/strong> \u2013 nem m\u00e1sodpercek.<\/p>\n

\"Laboratory
Tud\u00f3sok egy nagy akv\u00e1riumban v\u00e9geznek halk\u00e9pz\u00e9si k\u00eds\u00e9rletet a t\u00e9rbeli mem\u00f3ria tesztel\u00e9s\u00e9re.<\/figcaption><\/figure>\n

A karnyom\u00e1sos k\u00eds\u00e9rlet<\/h3>\n

Egy m\u00e1sik k\u00eds\u00e9rletben egy olyan kart vezettek be, amely csak bizonyos id\u0151pontokban adott ki t\u00e1pl\u00e1l\u00e9kot. A halak megtanult\u00e1k, hogy csak akkor nyomj\u00e1k meg, amikor el\u00e9rkezett az etet\u00e9s ideje, ami azt mutatja, hogy k\u00e9pesek az id\u0151, a cselekv\u00e9s \u00e9s a jutalom \u00f6sszekapcsol\u00e1s\u00e1ra \u2013 ami a fejlett kognit\u00edv funkci\u00f3k jele.<\/p>\n

Azok a halak, amelyek tanulnak a hib\u00e1ikb\u00f3l, biztosan nem rendelkeznek gyenge mem\u00f3ri\u00e1val.<\/h3>\n

Egy 2017-es guppi halakkal v\u00e9gzett tanulm\u00e1ny kimutatta, hogy ezek a halak ism\u00e9telt k\u00e9pz\u00e9ssel jav\u00edthatj\u00e1k teljes\u00edtm\u00e9ny\u00fcket<\/em> a labirintusteszteken. N\u00e9gy nap eltelt\u00e9vel sokkal gyorsabban teljes\u00edtett\u00e9k a labirintust, mint az els\u0151 napon \u2013 ez bizony\u00edt\u00e9k arra, hogy az eml\u0151s\u00f6kh\u00f6z hasonl\u00f3an eml\u00e9kezetb\u0151l tanulnak.<\/p>\n

Komplex viselked\u00e9s: eszk\u00f6zhaszn\u00e1lat \u00e9s megt\u00e9veszt\u00e9s<\/h3>\n

N\u00e9h\u00e1ny halfajr\u00f3l megfigyelt\u00e9k, hogy eszk\u00f6z\u00f6ket haszn\u00e1lnak a t\u00e1pl\u00e1l\u00e9k megszerz\u00e9s\u00e9hez. P\u00e9ld\u00e1ul a ajakoshalakat, k\u00fcl\u00f6n\u00f6sen a narancss\u00e1rga p\u00f6tty\u00f6s agyarhalat, megfigyelt\u00e9k. k\u00f6vek haszn\u00e1lata eszk\u00f6zk\u00e9nt.<\/strong> Kavicsokat dob\u00e1lt a tengeri s\u00fcn\u00f6kre, hogy \u00f6sszet\u00f6rje a p\u00e1nc\u00e9ljukat. M\u00e1sok, mint p\u00e9ld\u00e1ul Tenger\u00e9szhal<\/a>, v\u00e9dekez\u0151 strat\u00e9gi\u00e1kat mutatnak be azzal, hogy pet\u00e9iket n\u00f6v\u00e9nyek leveleihez r\u00f6gz\u00edtik, \u00edgy gyorsan el tudj\u00e1k helyezni azokat, ha a f\u00e9szket megt\u00e1madj\u00e1k. Ezek a viselked\u00e9sek azt mutatj\u00e1k, hogy a halak nem agyatlan l\u00e9nyek, hanem intelligens l\u00e9nyek, amelyek k\u00e9pesek tervezni \u00e9s alkalmazkodni.<\/p>\n

\"Fish
Egy ritka jelenet, amikor egy hal k\u00f6vet ejt egy tengeri s\u00fcnre, hogy el\u00e9rje az \u00e9lelm\u00e9t.<\/figcaption><\/figure>\n

A sz\u00e1mol\u00e1s \u00e9s a numerikus felismer\u00e9s biztosan nem a gyenge mem\u00f3ria jelei<\/h3>\n

A kutat\u00f3k k\u00fcl\u00f6nb\u00f6z\u0151 sz\u00e1m\u00fa p\u00f6tty\u00f6t \u00e1br\u00e1zol\u00f3 halk\u00e1rty\u00e1kat mutattak. T\u00f6bb mint 1200 teszt sor\u00e1n a halak a megfelel\u0151 91% k\u00e1rty\u00e1t v\u00e1lasztott\u00e1k. Ez azt mutatja, hogy k\u00e9pesek \u00f6sszehasonl\u00edtani a sz\u00e1mokat \u00e9s mint\u00e1kat megjegyezni \u2013 olyan k\u00e9pess\u00e9geket, amelyekr\u0151l kor\u00e1bban azt hitt\u00e9k, hogy csak a magasabb rend\u0171 \u00e1llatokra jellemz\u0151ek.<\/p>\n

A mantar\u00e1j\u00e1k eml\u00e9keznek az \u00fatvonalukra?<\/h3>\n

A mantar\u00e1j\u00e1k t\u00f6bb mint 2000 km-t is megtehetnek az \u00f3ce\u00e1non \u00e1t \u2013 \u00e9s ezt nem v\u00e9letlen\u00fcl teszik. Ezek a szel\u00edd \u00f3ri\u00e1sok \u00e9vr\u0151l \u00e9vre eml\u00e9keznek v\u00e1ndorl\u00e1si \u00fatvonalaikra, t\u00e1pl\u00e1l\u00e9khelyeikre \u00e9s tisztogat\u00f3helyeikre. A tud\u00f3sok \u00fagy v\u00e9lik, hogy a mantar\u00e1j\u00e1k... haszn\u00e1lja mind az eml\u00e9kezeti, mind a k\u00f6rnyezeti jelz\u00e9seket<\/em> navig\u00e1lni. Mintha egy l\u00e1thatatlan t\u00e9rk\u00e9pet hordan\u00e1nak a fej\u00fckben, amely biztons\u00e1gosan vezeti \u0151ket a hatalmas k\u00e9k vil\u00e1gon kereszt\u00fcl.<\/p>\n

\"a
A mantar\u00e1j\u00e1k t\u00f6bb mint 1000 km-t tudnak megtenni a tengeren, mik\u00f6zben kedvenc szaporod\u00e1si \u00e9s tisztul\u00e1si helyeiket keresik. Szerinted ez v\u00e9letlen egybees\u00e9s?<\/figcaption><\/figure>\n

Mem\u00f3ria az akvakult\u00fara-alkalmaz\u00e1sokban<\/h3>\n

A tud\u00f3sok a halak mem\u00f3ri\u00e1j\u00e1t alkalmazt\u00e1k a fenntarthat\u00f3 akvakult\u00far\u00e1ban. Azzal, hogy a halakat betan\u00edtott\u00e1k az etet\u00e9si hangokra val\u00f3 reag\u00e1l\u00e1sra, a gazd\u00e1k k\u00e9s\u0151bb visszaengedhetik \u0151ket a tengerbe, \u00e9s a betakar\u00edt\u00e1s sor\u00e1n ugyanazzal a hangjelz\u00e9ssel visszah\u00edvhatj\u00e1k \u0151ket. Ez az okos m\u00f3dszer bizony\u00edtja, hogy a halaknak egy\u00e1ltal\u00e1n nincs gyenge mem\u00f3ri\u00e1juk \u2013 s\u0151t, hetek m\u00falva is eml\u00e9kezni tudnak \u00e9s reag\u00e1lni tudnak<\/strong> vagy ak\u00e1r h\u00f3napokig is eltarthat. Emellett seg\u00edt cs\u00f6kkenteni a takarm\u00e1nyoz\u00e1si k\u00f6lts\u00e9geket \u00e9s t\u00e1mogatja a k\u00f6rnyezetbar\u00e1t gazd\u00e1lkod\u00e1st, mindezt a halak er\u0151s \u00e9s megb\u00edzhat\u00f3 mem\u00f3ri\u00e1j\u00e1nak k\u00f6sz\u00f6nhet\u0151en.<\/p>\n

A halak felismerik az arcokat, teh\u00e1t nincs gyenge mem\u00f3ri\u00e1juk!<\/h3>\n

Tanulm\u00e1nyok kimutatt\u00e1k, hogy az \u00edj\u00e1szhalak k\u00e9pesek eml\u00e9kezni \u00e9s felismerni az emberi arcokat \u2013 m\u00e9g akkor is, ha t\u00f6bb tucatnyit l\u00e1ttak bel\u0151l\u00fck. Vagy egy m\u00e1sik \u00e9rdekes val\u00f3s t\u00f6rt\u00e9net egy b\u00fav\u00e1rr\u00f3l, aki egyszer kih\u00fazott egy horgot egy c\u00e1pa sz\u00e1j\u00e1b\u00f3l. Ezut\u00e1n ugyanaz a c\u00e1pa rendszeresen l\u00e1togatni kezdte \u2013 s\u0151t, m\u00e1s c\u00e1p\u00e1kat is hozott, amelyeknek szint\u00e9n horgok voltak a sz\u00e1jukban, mintha... seg\u00edts\u00e9get k\u00e9rni<\/a>Ez azt mutatja, hogy a halak k\u00e9pesek felismerni az embereket, eml\u00e9kezni a pozit\u00edv \u00e9lm\u00e9nyekre, s\u0151t, azokat m\u00e1sokkal is megosztani.<\/p>\n

\"Diver
A halak eml\u00e9keznek az emberi arcokra, m\u00e9g akkor is, ha sokat l\u00e1ttak bel\u0151l\u00fck.<\/figcaption><\/figure>\n

A gyenge halmem\u00f3ri\u00e1r\u00f3l sz\u00f3l\u00f3 m\u00edtosz teljesen hamis<\/h2>\n

Tudom\u00e1nyos kutat\u00e1sok bizony\u00edtj\u00e1k, hogy a halak hetekig, vagy ak\u00e1r h\u00f3napokig is eml\u00e9kezhetnek dolgokra. Tapasztalatb\u00f3l tanulnak, \u00e9s meglep\u0151 intelligenci\u00e1r\u00f3l tesznek tan\u00fabizonys\u00e1got. Teh\u00e1t legk\u00f6zelebb, amikor valaki azt mondja: \u201eHal\u00e9telem van!\u201d, magabiztosan kijav\u00edthatod. \u00c9s amikor te Menj b\u00fav\u00e1rkodni Hurghad\u00e1val ma<\/strong>, n\u00e9zd meg k\u00f6zelebbr\u0151l. A halak, amelyekkel tal\u00e1lkozol, tal\u00e1n tov\u00e1bb eml\u00e9keznek r\u00e1d, mint gondoln\u00e1d.<\/p>\n

 <\/p>\n

 <\/p>\n

Referenci\u00e1k
\nOxfordi Egyetem kutat\u00e1sa a guppi halak viselked\u00e9s\u00e9r\u0151l (2017).<\/p>\n

T\u00e9rbeli mem\u00f3ria vizsg\u00e1latok az Animal Cognition foly\u00f3iratban.<\/p>\n

Az Ausztr\u00e1l Tengertudom\u00e1nyi K\u00f6zpont a halak tanul\u00e1s\u00e1val kapcsolatos tanulm\u00e1nyokat folytat.<\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Val\u00f3sz\u00edn\u0171leg hallottad m\u00e1r valakit\u0151l, hogy \u201eHal\u00e9telem van!\u201d Ez egy gyakori kifejez\u00e9s a feled\u00e9kenys\u00e9g le\u00edr\u00e1s\u00e1ra. Az elk\u00e9pzel\u00e9s m\u00e9g n\u00e9pszer\u0171bb\u00e9 v\u00e1lt a Pixar ut\u00e1n.<\/p>","protected":false},"author":4,"featured_media":10141,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[117,152],"tags":[167,121,165,114],"class_list":["post-10098","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-marine-flora-and-fauna","tag-fish","tag-nature","tag-red-sea","tag-sea-trips"],"yoast_head":"\nDo fish really have a weak memory? | Hurghada today<\/title>\n<meta name=\"description\" content=\"Discover the truth behind the myth of fish\u2019s weak memory. 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