When did fish appear in the oceans?

Question

I am so curious about this matter. Can you help me nourish my knowledge about it?

Answer 1

Fish were the first creatures to have functional backbones around 500 mya. However, they lacked fins and teeth. In fact, they resembled current tadpoles more than anything else.

Answer 2

There are 20,000 species of fish in the ocean it comes in all sizes, shapes, and colors, and lives drastically differently. Scientists believe that the fish appeared around 480 million years ago when fish are believed to have first appeared however, the fossil record blossoms, with a huge variety of fish species present en masse.

Answer 3

Fishes started appearing in the oceans millions of years ago and are the first living things with backbones and you can see this through some fossils.

Answer 4

The first vertebrates on Earth were fish, and scientists believe they first appeared around 480 million years ago.the fish is believe to have back bones. 

Answer 5

The oceans have been teeming with them for almost half a billion years, so there is no reason to doubt that the fish living there today did all their evolving in salt water – until you take a closer look at their family tree.

Answer 6

I think fish were the first creatures that started excisting on eath so its kind of hard to say form when
i think its even beofre 500 bc

Answer 7

Fish have been present in the ocean for millions of years. They evolved from ancient jawless fish and have since diversified into thousands of species. Fish can be found in all oceans and in a variety of habitats, from shallow coral reefs to deep ocean trenches.

Answer 8

The fish appears in the ocean about 150 millions years ago and then underwent a long. period of evolution so that today they are by far the most diverse group of vertebrates

Answer 9

Fish have been around for a very long time, with the earliest known fish-like organisms dating back to over 500 million years ago in the Cambrian period. Fish began to diversify and evolve during the subsequent periods, with jawed fish appearing around 420 million years ago.

Answer 10

Fish first appeared in the oceans around 500 million years ago. This was during the Cambrian period, which was a time of rapid diversification of life on Earth. Fossil evidence suggests that the first fish were small, jawless creatures that lived in shallow coastal waters. Over time, they evolved into the many species of fish that are found in oceans today.

Answer 11

Fish were the first creatures to have functional backbones around 500 mya. However, they lacked fins and teeth. In fact, they resembled current tadpoles more than anything else yes

Answer 12

Fish are believed to have appeared in the oceans around 500 million years ago during the Cambrian Period. This period marked a significant diversification of life forms, often referred to as the "Cambrian explosion." It was during this time that the oceans saw the emergence of various primitive fish-like organisms that eventually gave rise to the diverse array of fish species we see today. These early fish had simple skeletal structures and lacked many of the specialized features seen in modern fish. Over time, fish evolved and adapted to different ecological niches, leading to the development of a wide range of species with various forms, sizes, and behaviors.