ENG
Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Around 99% of living fish species are ray-finned fish, belonging to the class Actinopterygii, with over 95% belonging to the teleost subgrouping.
The earliest organisms that can be classified as fish were soft-bodied chordates that first appeared during the Cambrian period. Although they lacked a true spine, they possessed notochords which allowed them to be more agile than their invertebrate counterparts. Fish would continue to evolve through the Paleozoic era, diversifying into a wide variety of forms. Many fish of the Paleozoic developed external armor that protected them from predators. The first fish with jaws appeared in the Silurian period, after which many (such as sharks) became formidable marine predators rather than just the prey of arthropods.
Most fish are ectothermic (&qu
1 view
5518
1706
2 months ago 00:05:15 4
SEMBLANT - Incinerate (Official Video)
2 months ago 00:04:53 1
Partiboi69 & Mainline Magic Orchestra - Dog Syndicate (Official Video)
2 months ago 00:00:52 1
Стейк рибай разруб
2 months ago 00:18:39 1
Бурыч рибасы - нәрсә ул?
2 months ago 00:20:11 1
Виктор Рибас: Беглый каторжанин
2 months ago 00:50:16 1
Elon Musk is at the door | Sidebar
2 months ago 00:16:14 1
З’їли пательню - Шакшука по Українські - Пекельні крашанки!
2 months ago 00:00:43 1
Goldenito: Kako Oživjeti Dvorište - Kupovina Živih Riba #shorts
2 months ago 00:00:18 1
Goldenito: Nova Tehnika Izbacivanja Riba iz Bazena
2 months ago 00:00:18 1
Goldenito: Otkrijte koliko ribe može stati u auto! #shorts
2 months ago 00:00:50 1
PUNIMO BAZEN SA 100 RIBA: EKSTREMNI EKSPERIMENT
2 months ago 00:00:44 1
Goldenito: Punjenje bazena za ribolov: Što nas čeka?
2 months ago 00:07:24 1
SEMBLANT - Dark of the Day (Official Video)
2 months ago 01:14:20 1
Sheikh Imran Hosein
2 months ago 00:05:59 1
SEMBLANT - What Lies Ahead (Official Video)
2 months ago 01:21:47 1
Sheikh Imran Hosein | Implications Of The G4z4 Gen*c1de
2 months ago 00:17:06 1
Сочный рибай на углях!
2 months ago 00:00:52 1
Стейк Рибай влажного созревания готовлю на сковороде
2 months ago 00:02:31 1
We have become Generation Riba
2 months ago 00:08:15 1
Вчера плавал,а сегодня в духовку.Вкусный рецепт карася / yesterday the fish swam, today they ate it
2 months ago 00:15:41 1
Моя первая удачная рыбалка в России / My first successful fishing trip in Russia