NOTE: All facts are reviewed periodically and might no longer be valid at some point as discoveries are made daily.

Salmon fish can navigate greater than 2000 miles.
Source; https://blog.nationalgeographic.org/2013/02/13/mystery-solved-salmon-navigate-using-magnetic-field/
Image from BBC; https://www.bbc.com/news/science-environment-26067065

Cystal Jellfish has bioluminescent tentacles that allows it to light up it body.
Source; https://en.m.wikipedia.org/wiki/Aequorea_victoria
Image from; Wikipedia

Source; https://en.m.wikipedia.org/wiki/Aequorea_victoria
Image from; Wikipedia

Image from; vescience (Image credit: D. D. Deheyn.)

Source; https://www.google.com/amp/s/api.nationalgeographic.com/distribution/public/amp/animals/2008/08/cuttlefish-shape-color-predators
Image from; Wikipedia ; https://en.m.wikipedia.org/wiki/File:Cuttlefish_komodo_large.jpg

Image By; Teddy Fotiou from United States – Creature of the Day, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=36291653

Source; https://www.sciencedaily.com/releases/2017/10/171012143353.htm
Image from; Gettyimages (credit; Joao Inacio)

Source; https://en.m.wikipedia.org/wiki/Jellyfish
Image from; Wikipedia ( https://www.flickr.com/photos/dan90266/37269957/)

If human is stung by this animal, it can lead to death of heart failure.
Image from; Wikipedia; (https://commons.m.wikimedia.org/wiki/File:Avispa_marina.jpg)

Source; http://britannica.com/animal/planarian
Image from; Wikipedia (https://creativecommons.org/licenses/by-sa/3.0/deed.en)

On being cut into pieces, each piece can develop into new worm.
Source; https://en.m.wikipedia.org/wiki/Planarian
Image from; Wikipedia (https://creativecommons.org/licenses/by-sa/3.0/deed.en)

If it attacks human, it can make the person unconscious and result to drowning.
Source; https://api.nationalgeographic.com/distribution/public/amp/animals/fish/e/electric-eel
Image from; Wikipedia (https://en.wikipedia.org/wiki/en:GNU_Free_Documentation_License)

Image from; Wikipedia

With this force, Mantis Shrimp smashes its prey into pieces.
Source; http://en.wikipedia.org/wiki/Mantis_shrimp
Image from; Wikipedia

Some of the Mantis Shrimp cells even detect colors human cannot see such as ultraviolet rays
Source; http://en.wikipedia.org/wiki/Mantis_shrimp
Image from; Wikipedia

Sailfish speed reaches up to 68mph
Source; https://oceanservice.noaa.gov/facts/fastest-fish.html
Image from; Flickr (Robin Huges)

Source; https://en.m.wikipedia.org/wiki/Hagfish
Image from; Lin Edwards, Phys.org

Source; https://en.m.wikipedia.org/wiki/Hagfish
Image from; Lin Edwards, Phys.org

Source; https://www.wired.com/2014/11/creature-feature-10-fun-facts-hagfish/amp
Image from; Lin Edwards, Phys.org

Source; https://www.softschools.com/facts/animals/electric_eel_facts/25/
Image from; Wikipedia (https://en.wikipedia.org/wiki/en:GNU_Free_Documentation_License)

Source; https://www.google.com/amp/s/www.livescience.com/amp/44822-how-do-dolphins-sleep.html
Image from; Wikipedia (https://en.wikipedia.org/wiki/en:GNU_Free_Documentation_License)

Source; https://en.m.wikipedia.org/wiki/Octopus
Image from; muratart/Shutterstock.com

Source; http://www.bbc.com/earth/story/20160331-the-worlds-loudest-animal-might-surprise-you
PHOTOGRAPH BY FLIP NICKLIN, NAT GEO IMAGE COLLECTION

Source; http://www.Originaloysterhouse.com
Image from; Woodmans.com

PHOTOGRAPH BY JOEL SARTORE, NATIONAL GEOGRAPHIC PHOTO ARK

PHOTOGRAPH BY JOEL SARTORE, NATIONAL GEOGRAPHIC PHOTO ARK

Source; http://heydidyouknowthat.blogspot.com/2011/11/shrimps-heart-is-in-its-head.html?m=1
Image from; Shutterstock

Source; http://www.dolphinsworld.com
Image from; Wikipedia (https://en.wikipedia.org/wiki/en:GNU_Free_Documentation_License)

The heart of man weighs about 10 ounces and there are 16 ounces in one pound, do the math.
Source; https://blog.education.nationalgeographic.org/2015/08/31/how-big-is-a-blue-whales-heart/
Image from; Photograph by Shane Horan. Photograph by Michael Barera, courtesy Wikimedia

Source; https://blog.education.nationalgeographic.org/2015/08/31/how-big-is-a-blue-whales-heart/
Image from; Photograph by Shane Horan. Photograph by Michael Barera, courtesy Wikimedia

Source; https://en.m.wikipedia.org/wiki/Guppy
Image from; Wikipedia (https://en.wikipedia.org/wiki/en:Creative_Commons)

According to other researches they have been in existence before shark and dinosaurs
Source; https://en.m.wikipedia.org/wiki/Jellyfish
Image from; Wikipedia ( https://www.flickr.com/photos/dan90266/37269957/)

If they become separated, they rise up to the water column above the reef and search for each other.
Source; http://nationalgeographic.com/animals/fish/group/butterflyfish
Image from; Wikepedia (credit; Luc Viatour / https://Lucnix.b )

All jellyfishes are gelatinous zooplankton but not all gelatinous zooplanktons are jellyfishes.
Source; http://en.m.wikipedia.org/wiki/Gelatinous_zooplankton
Image from; Wikipedia ( https://www.flickr.com/photos/dan90266/37269957/)

Source; http://www.natgeokids.com/nz/discover/animal/sea-life/jellyfish-facts/
Image from; Wikipedia ( https://www.flickr.com/photos/dan90266/37269957/)

Immortal Jellyfish cannot die by aging.
Source; http://en.wikipedia.org/wiki/Turritopsis_dorhrnii
Image from; Source: Wikimedia Commons

80m is more than 15 story building; a story building is usually 4.4m in height.
Source; http://en.wikipedia.org/wiki/kelp
Image from Oceanlight (credit; Phillip Colla)

Source; http://aquarium.org/a-sea-otters-toolkit/
Image from; Wikipedia (https://www.flickr.com/photos/23660854@N07/25169790524/)

Source; http://relay.nationalgeographic.com/proxy/distribution/public/amp/animals/mammals/o/orca
Image from; Getty images (Crédits :P. Eoche)

Source; http://www.animalfactsencyclopedia.com/Dolphins-facts.html
Image from; Wikipedia (https://en.wikipedia.org/wiki/en:GNU_Free_Documentation_License)

Sources; http://www.bbc.com/earth/story/20150115-extreme-divers-defy-explanation
Image from; Shutterstock (credit; David Osborn)

http://en.m. Wikipedia.org/wiki/seahorse
PHOTOGRAPH BY JOEL SARTORE, NATIONAL GEOGRAPHIC PHOTO ARK

The ring of fire is a major area in the basin of the Pacific Ocean where many earthquakes and volcanic eruption occurs. In a large 40,000km horseshoe shape, it is associated with nearly continuous series of oceanic trenches, volcanic arcs and volcanic belts and plate movement. About 90% of the world’s earthquake and about 81% of the world’s largest earthquake occurs along the Ring of Fire.
Sources; http://en.m.wikipedia.org/wiki/Ring_of_fire
http://www.nationalgeographic.org/encyclopedia/ring-fire/
Image from; Wikipedia

Source; http://simple.m.wikipedia.org/wiki/Great_white_shark
http://www.natgeokids.com/uk/discover/animals/sea-life/great-white-sharks/
Image from; Susan Trammell, Bugwood.org

Sources; http://nationalgeographic.com/animals/fish/n/northern-snakehead/
Image from; Susan Trammell, Bugwood.org

Image from; BBC (Wayne Osborn)

Source; http://www.nationalgeographic.com/animals/invertebrate/g/giant-squid/
Image from; PHOTOGRAPH COURTESY TSUNEMI KUBODERA OF THE NATIONAL SCIENCE MUSEUM OF JAPAN/AP

Sources; http://www.nationalgeographic.com/animals/fish/group/manta-rays/
Image from; PHOTOGRAPH BY ENRIC SALA, NAT GEO IMAGE COLLECTION

Source; http://www.nationalgeographic.com/animals/fish/group/clown-fish/
Image; Wikipedia (https://creativecommons.org/licenses/by-sa/3.0/deed.en)

Source; http://www.nationalgeographic.com/animals/invertebrates/g/golden-jellyfish/
PHOTOGRAPH BY MICHAEL MELFORD, NAT GEO IMAGE COLLECTION

Source; http://www.nationalgeographic.com/animals/invertebrates/g/golden-jellyfish/
Image from; Wikipedia ( https://www.flickr.com/photos/dan90266/37269957/)

Source; http://nationalgeographic.com/animals/mammals/o/orca/
Image from; Getty images (Crédits :P. Eoche)

Source; http://nationalgeographic.com/animals/mammals/o/orca/
Image from; Getty images (Crédits :P. Eoche)

Source; http://oeana.org/marine-life/marine-mammals/sea-otter
Image from; Wikipedia (https://www.flickr.com/photos/23660854@N07/25169790524/

Image source; PHOTOGRAPH BY JOEL SARTORE, NATIONAL GEOGRAPHIC PHOTO ARK


Source; https://www.mentalfloss.com/article/86128/10-eye-popping-facts-about-mantis-shrimp
Each eye contains 12 photoreceptors that allow them to sense different types of color. For comparison, human eyes typically contain three types of light-sensitive cells for seeing red, blue, and green.
Image from – Wikipedia

These fist spring forth from their bodies at about 80 km/h, even accelerating quicker than a .22-caliber bullet. At such speed, the water surrounding them reaches the temperature of the Sun’s surface for a short moment.
Image source – www scubadivingcostarica.com
Source: https://www.mentalfloss.com/article/86128/10-eye-popping-facts-about-mantis-shrimp

Image source – bioweb
Fact source – http://bioweb.uwlax.edu/bio203/s2013/cooke_alys/facts.htm

Image source – bioweb
Fact source – http://bioweb.uwlax.edu/bio203/s2013/cooke_alys/facts.htm

Just like the lizards or sea-stars, a lobster can re-grow a claw it lost to predator.
Source: www.thesmilingseahorse.com/blog/30-fun-facts-about-marine-life-you-wont-believe

They possess the most lethal leather poison in the entire ocean. Stone fish can still be deadly and is apparently the most painful sting human can ever feel. People stung by stonefish usually ask doctors to amputate the limb as the pain is mostly unbearable.
Source: www.thesmilingseahorse.com/blog/30-fun-facts-about-marine-life-you-wont-believe

They do not waste time on formalities and just use their feet to taste food.
Source: www.thesmilingseahorse.com/blog/30-fun-facts-about-marine-life-you-wont-believe

Living invertebrates belonging to the animal phylum Cnidaria which are held together by Calcium carbonate. They serve as an ecosystem for other Marine organisms.
Source: https://oceana.org/marine-life/corals-and-other-invertebrates

The brain weighs notably 20 pounds.
Source: https://www.fisheries.noaa.gov/feature-story/sperm-whales-revealing-mysteries-deep
Image source: https://d.newsweek.com/en/full/1205118/sperm-whale.jpg

But some of them become females as they grow.
Source: https://oceanconservancy.org/wildlife-factsheet/clownfish/
Image source: https://forums.saltwaterfish.com/data/f/fb/fbc9dc3a_DSC_2481.jpeg

The species can take up as much as 15 times carbon absorbed by a portion of Amazon forest of almost the same size.
Source: https://dbpedia.org/page/Posidonia_oceanica
Image source: https://cdn.mos.cms.futurecdn.net/3XAybyUyhgdWqiksHWp5GQ-1024-80.jpg

Puffer fish inflate by sucking water into their mouths and then pumping it into their stomach, which inflates like an accordion.
Source: slideshare.net
Image source : https://www.youtube.com/watch?v=ccsvJMkF5Bs

Manta Ray fish possess diverse colours, which include grey, blue, black and white.
Source: slideshare.net
Image source: https://www.fws.gov/international/cites/cop16/manta-rays.html

Sharks breathe by actively sucking water into their mouths using large cheek muscles. The water then passes over their gills.
Source: slideshare.net
Image source: getty image

Sharks can have up to seven external gill openings. Gill is used to take in oxygen from the surrounding water and to eliminate carbon dioxide from the blood.
Source: slideshare.net
Image source: shutterstock

Most jellies range from less than half an inch (1cm) (about 1 cm wide) to about 40 cm, though the smallest are just 1 mm wide.
Source: slideshare.net
Image source: https://www.istockphoto.com/photos/jelly-fish

Ice fishing is the practice of catching fish with line and hook or spear through openings in the ice on a frozen body of water. It is most common in Canada.
Source: slideshare.net
Image source: https://fishingbooker.com/blog/ice-fishing-the-complete-illustrated-guide/
86. Do you know that killer whale fins can be taller than a human being and have a triangular shape?

In an adult male, the killer whale’s dorsal fin is very tall and triangular. It grows to about 1.8m (6ft).
Source: slideshare.net
Image source : https://seaworld.org/animals/all-about/killer-whale/characteristics/

The queen angel fish is a colorful fish that has electric blue bodies and blazing yellow tails with light purple and orange highlights.
Source: slideshare.com
Image source: https://www.fishlaboratory.com/fish/queen-angelfish/