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Sixty Awesome Facts About Fishes - Education - Nairaland

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Sixty Awesome Facts About Fishes by 15Sirdeen(m): 11:20am On Jul 26, 2015
Good day all and Happy Sunday! Check out our fun fish facts and learn a
wide range of interesting information about fish. How do they reproduce? Do their scales have any use? Just sit back ,read and answer your questions all by yourself!

1. Most fish reproduce by laying eggs,
though some fish, such as great white
sharks, give birth to live babies called
pups.

2. Starfish are not fish. Neither are
jellyfish.

3. Although the fangtooth fish is only a
few inches long, it has teeth about the
size of a human’s.

4. The mudskipper is a fish that spends
most of its time out of water and can
“walk” on its fins. It carries a portable
water supply in its gill chambers when it
leaves the water. It can also breathe
through the pores of its wet skin.

5. Catfish have over 27,000 taste buds.
Humans have around 7,000.

6. Most
brands of
lipstick
contain fish
scales.

7. Lungfish can live out of water for several
years. It secretes a mucus cocoon and
burrows itself under the unbaked earth. It
takes in air with its lung through a built-in
breathing tube that leads to the surface.
A lungfish has both gills and a lung.

8. Seahorses are the only fish that swim
upright.

9. Some fish, such as the great white
shark, can raise their body temperature.
This helps them hunt for prey in cold
water.

10. The oldest known age for a fish was
an Australian lungfish. In 2003, it was still
alive and well at 65 years old.

11. Fish use a variety of low-pitched
sounds to convey messages to each
other. They moan, grunt, croak, boom,
hiss, whistle, creak, shriek, and wail. They
rattle their bones and gnash their teeth.
However, fish do not have vocal chords.
They use other parts of their bodies to
make noises, such as vibrating muscles
against their swim bladder.

12. Fish can form schools containing
millions of fish. They use their eyes and
something called a lateral line to hold
their places in the school. The lateral line
is a row of pores running along the fish’s
sides from head to tail. Special hairs in
the pores sense changes in water pressure
from the movements of other fish or
predators.

13. Since a fish’s jaw is not attached to
its skull, many fishes can shoot their
mouths forward like a spring to catch
startled prey.

14. Electric eels and electric rays have
enough electricity to kill a horse. c
15. Sharks are the only fish that have
eyelids.

16. Fish have sleep-like periods where
they have lowered response to stimuli,
slowed physical activity, and reduced
metabolism but they do not share the
same changes in brain waves as humans
do when they sleep.

17. Some fish, such as the herbivorous
fish (grazers), often lack jaw teeth but
have tooth-like grinding mills in their
throats called pharyngeal teeth.

18. Most fish have taste buds all over
their body.

19. An estimated one third of male fish in
British waters are changing sex due to pollution in
human sewage.

20. Saltwater fish need to drink more
water than freshwater fish. Since
seawater is saltier than the liquids in a
fish’s body, water inside the fish is
constantly flowing out. If they didn’t drink
to replace the lost water, saltwater fish
would dry up like prunes.

21. The oldest fishhook ever found dates
back to about 42,000 years ago.

22. Most fish have little salt in them.
Sharks, however, have meat as salty as
the ocean they live in.

23. Most fish can see in color and use
colors to camouflage themselves or
defend themselves and their territory.
Most fish have the best possible eyesight
for their habitat and can most certainly
see you peering at them in a fish tank.
Some fish can see polarized and
ultraviolet light.

24. A fish does not add new scales as it grows, but the scales it has increase in size. In this way, growth rings are formed and the rings reveal the age of a fish.

25. Fish that have thin fins with a split
tail indicate that they move very quickly or
may need them to cover great distances.
On the other had, fish that live among
rocks and reefs near the ocean floor have
broad lateral fin and large tails.

26. A ship has a heavy keel in the lower
part to keep it from capsizing. Fish, on
the other hand, have the keel on top. If
the paired fins stop functioning to keep
the fish balanced, the fish turns over
because its heaviest part tends to sink,
which happens when it dies.

27. On average, flying fish can glide 160
feet (50m), but have been known to glide
as far as 660 feet (200 m). And they can
reach heights up to 19 feet (6m).

28. An inflated porcupine fish can reach a
diameter of up to 35 inches (90 cm). It
puffs up by swallowing water and then
storing it in its stomach. The stomach
increases in size with more water. If the
fish is taken out of water, it can inflate in
a similar way by swallowing air.

29. A fish can drown in water. Like
humans, fish need oxygen, so if there
isn’t enough oxygen in the water, they will
suffocate.

30. The fish in the middle of a school
control the school. The fish on the outside
are guided by those in the middle. Only
bony fish can swim in highly coordinated
groups.

31. Most fish cannot
swim backwards. Those that
can are mainly members of one of the
eel families.

32. Fish would suffocate if they tried to
chew because chewing would interfere
with water passing over their gills.

33. The biggest fish in the world is the
giant whale shark, which can grow to
nearly 60 feet, or the length of two school
buses. It weighs over 25 tons and eats
mainly plankton. It has over 4,000 teeth,
though they are only 3 mm long.

34. The most poisonous fish in the world
is the stone fish. Its sting can cause
shock, paralysis, and even death if not
treated within a few hours.

35. The word “piranha” is from the Tupi
(Brazil) pira nya and means “scissors.”
Found in freshwater rivers in South
America, piranhas have razor-sharp teeth.
They typically eat fish, insects, seeds,
fruit, and even larger animals such as
horses. While there are no proven reports
of piranhas killing a person, they do eat
human carcasses.

36. The fastest fish is the sailfish. It can
swim as fast as a car travels on the
highway.

37. The slowest fish is a seahorse. It
swims so slowly that a person can barely
tell it is moving. The slowest is the Dwarf
Seahorse, which takes about one hour to
travel five feet. It even looks like it is
simply standing up, not swimming.

38. Some fish do not have scales.
Sharks, for example, have rough
sandpapery skin instead of scales.

39. Fish have multiple Christian and pre-
Christian overtones. For example, the
Greek word for fish is Ichthys , which is an
acronym for “Jesus Christ, God’s Son,
Savior” and was used to mark early
Christian tombs and meeting places.
Because of their association with fertility,
fish have also been linked to Isis and
Aphrodite.

40. In Japan, the fugu , or puffer fish, is a succulent
but lethal delicacy. It contains tetrodotoxin, a deadly poison. However, it is so delicious that Japanese gourmets risk their lives to prepare it. To make this
high-risk dish, chefs must have a certificate from a special school that teaches preparation of this toxic fish.

41. Hammerhead sharks can live in
schools of more than 500 sharks. The
strongest female swims in the middle.
When she is ready to mate, she shakes
her head from side to side to signal the
other female sharks to move away so she
is the center of attention.

42. Some desert pupfish can live in hot
springs that reach temperatures greater
than 113° F.

43. A male emperor angelfish lives
together with up to five female mates. If
the emperor angelfish dies, one of the
females turns into a male fish and
becomes the leader of the group.

44. There are approximately 32,000
different kinds of fish in the world today,
which is more than all the other kinds of
vertebrates combined. Scientists are
discovering new species all the time.

45. The batfish plays dead when danger
is near. It floats motionless on its side
when scared, making it look like a dead
leaf floating on the surface of the water.

46. Anableps, four-eyed fish, can see
above and below water at the same
time.

47. Sometimes tornadoes pick up fish
while traveling over water and carry them
over land, where the fish rain down. These
“fish showers” have been happening for
thousands of years. Roman writer Pliny
the Younger describes this phenomenon in
the 1st century A.D.

48. Lampreys and hagfish are the most
primitive form of fish still living today.

49. Male anglerfish are much smaller
than the female. While the female can
reach up to 24 inches long, the males
barely reach 1.6 inches long and live as
parasites on their mates. They stay
together for life. As the male ages, he
gets smaller and smaller. The female
anglerfish’s light is always “on.”

50. Scientists have explored only 1% of the ocean depths. They believe millions of new kinds of animals and fish are down there, waiting to be discovered.

51. Empty dogfish egg cases sometimes
wash up onto the beach. Some people call
them mermaid purses.

52. Humans have been amazed for
centuries that salmon, after journeying
across the ocean, can find the river where
they were born. In the Yukon River in
Alaska and in Canada, certain tagged
Chinook salmon covered nearly 2,000
miles in 60 days. Salmon also have
adapted to live in a variety of aquatic
environments, including rivers, lakes,
estuaries, coal reefs, and the open sea.

53. Fish were the first vertebrates with
bony skeletons to appear on Earth. Unlike
today’s fish, early fish had no scales, fins,
or jawbone, but they did have a dorsal
fin.

54. Hagfish are some of the slimiest
animals on earth. An Atlantic hagfish can
make enough slime in one minute to fill a
bucket.

55. Unlike bony fish, sharks and rays do
not have swim bladders. They have to
swim all the time, even when they are
sleeping. Otherwise, they will sink to the
bottom of the ocean.

56. A seahorse can move each of its eyes
separately. One eye can look forward
while the other looks backward. Seahorses
can also change their color to match their
surroundings.

57. Most types of seahorses pair for life.
Female seahorses lay their eggs inside a
pouch on the male seahorse’s belly. When
the babies are ready to hatch, the male
holds onto a piece of seaweed with his
tail and rocks back and forth until the
babies pop out of his pouch.

58. Unlike most other fish, the ocean
sunfish does not have a tail. A female
sunfish can lay 300 million eggs each
year. Each egg is smaller than the period
at the end of a sentence.

59. The term “fish” is used when referring
to one species of fish (e.g., 10 salmon are
10 fish). The term “fishes” is used when
referring to more than one species (e.g.,
10 salmon, 3 trout, and 1 angel fish and 14
fishes).

60. The freshwater Pygmy and Luzon
gobies of the Philippines, the saltwater
Marshal Islands goby, and the tiny rice
fish from Thailand all reach a maximum
length of 1/2", roughly the size of a grain
of rice. They are typically considered the
world’s smallest fishes. c


Source: http://facts.randomhistory.com/fish-facts.html
Re: Sixty Awesome Facts About Fishes by Nobody: 11:34am On Jul 26, 2015
This is interesting...
FP material leleyi
Re: Sixty Awesome Facts About Fishes by 15Sirdeen(m): 11:43am On Jul 26, 2015
Cc Lalasticlala cc Ishilove cc Farano
Re: Sixty Awesome Facts About Fishes by CHM11: 12:00pm On Jul 26, 2015
Most fishes are edible. You can boil, fry, steam, roast and even bake them.
This is the most important about fishes!!!
Re: Sixty Awesome Facts About Fishes by CHM11: 12:00pm On Jul 26, 2015
Most fishes are edible. You can boil, fry, steam, roast and even bake them.
This is the most important about fishes!!!
Re: Sixty Awesome Facts About Fishes by CHM11: 12:04pm On Jul 26, 2015
Most fishes are edible. You can boil, fry, steam, roast and even bake them.
This is the most important about fishes!!!
Re: Sixty Awesome Facts About Fishes by 15Sirdeen(m): 12:38pm On Jul 26, 2015
CHM11:
Most fishes are edible. You can boil, fry, steam, roast and even bake them.
This is the most important about fishes!!!
lol...u go like food sha
Re: Sixty Awesome Facts About Fishes by azeezdawodu: 12:25am On Jul 27, 2015
Hello All,

I just need some questions answered in regards to catfish.

What size is fingerling?
What size is juvenile?
How to measure the daily feed for 1000 fingerlings and juveniles? I need to know the grams to feed twice daily.
cost of purchasing 1,000 juveniles and fingerlings?

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