But as a general rule,
underwater creatures do not cry
. As their eyes are already perpetually wet, tears are simply unnecessary, both for fish and underwater mammals.
What fish can cough?
Yes, a fish can cough. Fish take in water through gills to extract oxygen from the ocean to breathe. They cough
when a different kind of gas or particle gets stuck between their gills
.
Do fish have feelings?
Fish Have Feelings, Too
: The Inner Lives Of Our ‘Underwater Cousins' : The Salt Jonathan Balcombe, author of What A Fish Knows, says that fish have a conscious awareness — or “sentience” — that allows them to experience pain, recognize individual humans and have memory.
Why fish can cough?
The cough is
an interruption in the normal ventilatory cycle of fish, which in ordinary water serves to clean the gills of accumulated particulate matter
. When particulate content of the water is increased, cough rates increase accordingly.
Do fishes fart?
Biologists have linked a mysterious, underwater farting sound to bubbles coming out of a herring's anus. No fish had been known to emit sound from its anus nor to be capable of producing such a high-pitched noise.
Can fishes feel pain?
CONCLUSION. A significant body of scientific evidence suggests that
yes, fish can feel pain
. Their complex nervous systems, as well as how they behave when injured, challenge long-held beliefs that fish can be treated without any real regard for their welfare.
Can a fish love you?
Betta Fish Bonding With Their Owner
Betta fish may not “love” their owners in the way that a dog or cat would show affection
, but they will show a clear interest and affiliation with their owners.
Do fish feel pleasure?
Experts believe that
fish are not only capable of feeling pain, but also pleasure
– oxytocin, a “feel-good” hormone, has been discovered in fish.
Can my fish see me?
Yes they can
. My chiclids often swim up and down when they see me because they know I'm their source of food. But they hide away when my brother or sister enter because seeing more than one person sometimes scares them. They also like to stare at me when I stare at them to look for infections or whatever.
Does fish get thirsty?
They don't ever get thirsty
. Marine fish are what's called hypertonic to the seawater. So essentially, they lose water through their gills to the seawater. The seawater is saltier than their blood.
Why does a fish yawn?
Two of the big ones are
to aide in digestion and showing dominance
. They may also do it because of lack of oxygen. Some fish will yawn as a type of way to filter feed. If they seem to be doing it rapidly or yawning with heavy breathing it could be lack of oxygen or other illness.
Do fishes drink water?
Fish do absorb water through their skin and gills in a process called osmosis
. Osmosis is the flow of water across membranes from areas of low concentration of dissolved things (solutes) to areas of high concentration.
Do fishes yawn?
Fish do not yawn
, at least not the way we do. They do open their mouths sometimes, but that is typically to attract mates or deter aggressors. They do not breath in the same way we do, since they do not live in an environment of air. Water passes through gills, allowing the fish to absorb it.
Can fishes sneeze?
Answer:
Fish cannot sneeze
; in order to sneeze you must be able to breathe, to breathe you have to have lungs and nasal passages. They don't have lungs, they have oxygen transference in their gills.
How do fish pee?
A lot of fish get rid of the pee
through an tiny opening, called a pore, that's near their rear ends
—and in some fish, waste also goes out through the skin or the gills. When a fish pees in a coral reef, the corals wave their tentacles around like tiny arms to grab nutrients from the pee and absorb them.
Can you drown a fish?
Yes, fish can ‘drown'
–for lack of a better word. Though, it is better to think of it as a form of suffocation where oxygen levels are too low or the fish isn't able to properly pull oxygen from the water for one reason or another.
Does fish have tongue?
Fish tongues however do not resemble the muscular tongues of humans.
The tongue of a fish is formed from a fold in the floor of the mouth
. In some species of bony fishes the tongue has teeth which help to hold prey items. The name of one genus of argentinid fish, Glossanodon, literally means ‘tongue teeth'.
Can spiders fart?
Since the stercoral sac contains bacteria, which helps break down the spider's food, it seems likely that gas is produced during this process, and therefore
there is certainly the possibility that spiders do fart
.
Why is electrofishing done at night?
1) Safety – although the field of electricity is very localized to the front of the boat, between 250 and 500 volts is directed into the water, generally at 4 to 6 amperes. Electrofishing surveys are done at night
when the lake is quiet and there is less chance of people or pets swimming in areas being surveyed
.
Do fish remember being caught?
Researchers find that
wild cleaner fishes can remember being caught up to 11 months after the fact
, and actively try to avoid getting caught again.
Do fish get lonely?
What is this? Goldfish are just not the same as humans – they're not social animals in the same way that we are, and
they don't have the same capacity to get bored or long for companionship
. In fact, many of the longest living goldfish have been kept alone, with no obvious harm to their well being.
Can fish hear you?
However,
yes, they can hear your voice
.
They are not like a cat or a dog and can recognize their name. They just know someone is speaking. They can associate sounds with action, though.
How do you play with fish?
With patience and a little persistence, you can teach him to do things like
follow your finger, eat from your hand, swim through a hoop, play soccer, and even jump out of the water or come up to be petted
. Fish food is the best reinforcement for desired behavior.
Do fish like mirrors?
(Image credit: Todd Anderson/Stanford University.)
Looking at themselves in a mirror is enough to scare some fish
, a new study finds. Fish looking at a mirror showed increased brain activity in regions linked to fear than fish faced with an actual fish separated by glass, the study showed.
Do prawns feel pain?
Studies have repeatedly shown that aquatic animals such as fish, lobster, prawns and shrimp do feel pain
. Evolution has given animals on earth the ability to feel pain as a means of self-preservation.
How long is the fish pregnant for?
As examples, the female swordtail and guppy will both give birth to anywhere from 20 to 100 live young after a gestation period of
four to six weeks
, and mollies will produce a brood of 20 to 60 live young after a gestation of six to 10 weeks.
How do fish release sperm?
The sperm move into the vas deferens, and are eventually expelled
through the urethra and out of the urethral orifice through muscular contractions
. However, most fish do not possess seminiferous tubules. Instead, the sperm are produced in spherical structures called sperm ampullae.
