how many fish are in the worlds oceans?
88187
This answer is constantly changing due to fish harvesting, fish dying of old age, reproduction, etc. A safe estimate would be in the billions, considering fish reproduce much more quickly than humans and have a larger area of habitat.
620889
3,000 Fish.\n\n10,000 divided by 500 is 20\n20x150=3,000
445928
How many grains of Sand are there in the whole world?
5355
No one knows.\n\nThere are about 10 planets in our solar system, depending on whom you ask.\n\nAround 100 planets have been detected in other solar systems.\n\nThere are at least 200 billion stars in the Milky Way Galaxy (ours).\n\nIf the average number of planets per star is 10, then there are 2000 billion or 2 trillion planets in our galaxy.\n\nNo one knows how many billion galaxies are in the Universe.
235972
To the ancients, "seven" often meant "many," and before the fifteenth century, the many seas of the world were:\n\n    * the Red Sea\n    * the Mediterranean Sea\n    * the Persian Gulf\n    * the Black Sea\n    * the Adriatic Sea\n    * the Caspian Sea\n    * the Indian Ocean \n\noday, the world ocean is generally divided into four main oceans:\n\n    * the Arctic Ocean\n    * the Atlantic Ocean\n    * the Indian Ocean\n    * the Pacific Ocean \n\nIn addition, there are numerous smaller seas and gulfs.
86757
There were many. Most ones you would never notice.\n\n3 species of jellyfish, over 20 species of fish, 39 species of snails, 10 species of coral.\n\nOn land, over 400 species of insects, over 50 species of spiders,\n\n3 new mammal species.\n\n100+ species of birds.\n\nAll of these were discovered in the past 10 years. Most are form microhabitats and mosty are threatened by habitat descruction and a few may already be extinct in just the past 10 years.
488525
5 oceans Pacific, Atlantic, Indian, Arctic, Southern.
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Mammals: Dolphin\nRange: all the oceans of the world\nHabitat: some are mainly coastal but other spend their lives far at sea\n\nIt’s all relative\nYou might not realize that dolphins are closely related to whales. The scientific order, called Cetacea, includes dolphins, whales, and porpoises. The dolphin family Delphinidae has 36 species in all. It can get confusing at times, because some members of the dolphin family have the word "whale" in their common name. In fact, the largest dolphin is the killer whale! Depending on the species, dolphins range in color from white, pearl, and pink to darker shades of brown, gray, blue, and black.\n\nRange\nDolphins can be found in virtually all the seas and oceans of the world.  Some species are sharply restricted, but many, like the common dolphin, Delphinus delphis, or the bottle nose dolphin, are found worldwide.  Several species are found in fresh water, notably the Ganges River dolphin, Platanista gangetica; the rivers of South America are the home of the long-snouted dolphin, Inia geoffrensis, and the small, graceful Sotalia fluviatilis, occasionally seen as far as 1,553 miles up the Amazon River.\n\nDolphins are quite abundant in some areas of the world.  Off the coast of Japan, for example, populations of the white-sided dolphin, are estimated at 30,000 to 50,000 individuals.  In many species, schools of up to 1,000 travel together, while some species, such as the bottle-nose dolphin, tend to be found in smaller groups of less than 100. \n\nRANGE:\nMost species live in tropical and temperate oceans throughout the world. Five species live in rivers.\n\nHABITAT:\nAll but five of the 34 dolphin species live in tropical and temperate oceans. Five species that live in rivers: baiji (Chinese River dolphin), boto (Amazon River dolphin), franciscana (La Plata River dolphin), Ganges River dolphin and Indus River dolphin.\n\nCHECK THIS:\n32 Dolphin Species\nhttp://www.dolphin-isl-greenware.org/marine_lab/blue_hangar/egdolfaq.htm#faq2\n\nhttp://www.enchantedlearning.com/themes/dolphins.shtml
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other fish, seals,people.
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Every day 400000 babies are born, 150000 people die for a net increase of 250000 human beings a day.\n\nCurrently the worldpopulation increases with 90 million a year, or about 1.4%. We are crowding 6500 million people on the planet.
977134
There are 194 countries in the world today
636146
There are seven continents in the world.\nAsia\nAfrica\nEurope\nAntarctica\nSouth America\nNorth America\nAustralasia/Oceana
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I read recently in a weekly magazine that there are 230,000 oceanic and 1.5 million non oceanic (land + air + lakes + river) classified species. According to the same article there would be around 1.5  to 2 millions not classified species in the oceans alone.\nI don't consider this magazine very higly and it did not state its sources.\nBut anyways, I would guess less than 3 million in all.
172533
Yes. Some populatons live mainly on fish, others live almost exclusivly by killing and eating seals, penguins, other species of dolphins and the calves of true whales.
87641
There are hundreds if not thousands of insects per each human so if you count them, fish, etc.  You have thousands to one.  If you want to count bacteria as animals then it is billions to one.
609691
Billions and billions of people
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The animal kingdom is enormous and we do not know for certain how many species there are in the world. Around 1.5 million species of animal have been named and described by scientists - and over a million of these are insects.