Fish, especially small fish in an aquarium with larger fish, will naturally congregate around hiding areas
. If you have a large concentration of plants or aquarium decorations, like faux rocks castles, on one side of your tank, you may find many fish hanging out there for safety reasons.
Why are my fish swimming together?
Fish can better defend their territory in a group
. Bullies will think twice about facing an angry school of dozens or hundreds of fish. It is also believed that swimming close together reduces friction and allows fish to conserve energy while swimming.
Can these fish live together?
There are plenty of freshwater fish types that can co-exist with other different species in the same tank.
Guppies, Tetras, Swordtails, and Danios
are just some of the most peaceful tropical species that happily swim around and easily adjust to newer groups.
Why do fish gather in the corner of the tank?
The Temperature Is Too High Or Low
If the temperature is too high or too low, then your goldfish may move to one of the bottom corners of the tank. Up to a certain point, warm water rises, so your goldfish may swim to one of the bottom corners to where it's cooler.
Why are all my tropical fish in one corner?
Heat. While most quality aquarium heaters are good at disbursing heat in such a way that the water stays at a constant temperature, you may find fish hanging out on one side of the tank rather than another
because they prefer the temperature
.
Why are my fish hovering by the heater?
This is because
he's a tropical fish and is feeling cold, needing to be near the heater to feel the warmth
. It is likely that the heater is not performing efficiently to warm the entire aquarium evenly. The water temperature should be 24-28 degrees Celsius.
Can fish crossbreed?
Summary:
Female fish can breed a new species if they aren't choosy about who is Mr. Right
. Fish will mate with a species outside their own if the male's coloring is attractive enough or if the female can't see him properly, according to new research.
Do fish mind being in tanks?
Fish are intelligent, sensitive animals who think and feel pain the same way that cats and dogs do
. In fact, scientists at Oxford University have discovered that some fish can learn faster than dogs. Fish crave stimulation from other fish and from their environment.
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.
Why is my fish hitting the glass?
The thing is that
the fish doesn't know the rest of the room isn't full of water
. So they struggle against the glass trying to find a way out. It is usually a sign that the tank is a bit cramped for that particular specimen. Stick your head in there and look out if you don't believe it.
How do I know if my fish is pregnant?
As your female fish becomes pregnant,
she will grow a bulge at the back of her abdomen
. This typically appears over the course of 20-40 days. Does your fish have a red or black spot? Sometimes, when a female fish is pregnant, she will develop a “gravid spot” on the abdomen.
Do fish play dead?
Let's revisit the example of the fish playing dead.
Some species play dead to fool other fish, often targeting scavengers as a food source
. The Central American cichlid is a perfect example. In other species, though, this behavior might hint at a health issue.
How do you calm a stressed fish?
Trying a stress coat product
, which can help remove chlorine, neutralize chloramines and detoxify heavy metals to set up optimal water conditions. It can also help heal skin wounds and torn fins. Reducing overcrowding by moving additional fish to a new tank, or getting a larger aquarium.
How do I increase oxygen in my fish tank?
More water movement always increases oxygenation
. Add an additional filter or replace the existing filter with a higher capacity unit, if necessary. Other options are using a powerhead, putting a spray bar on the outlet of the filter, or using airstones.
How do I know if my fish tank is happy?
- They swim back and forth freely and energetically around the tank.
- Quite like humans, happy fish might have a vibrant glow to their skin. …
- They do not appear fearful of the other fish in the tank. …
- They are breathing normally.
What does it mean when your fish stays at the bottom?
Water temperature is either too low or too high
When the water temperature inside your aquarium drops too low, your fish might lay motionless at the bottom of the tank to conserve energy.
How do I know if my fish has ammonia poisoning?
- Purple, red or bleeding gills.
- Fish may clamp, may appear darker in color.
- Red streaking on the fins or body.
- Fish may gasp for air at the surface of the tank water.
- Torn & jagged fins.
- Fish may appear weak and lay at the bottom of the tank.
Why do fish stare at the wall?
One of the most common reasons fish begin hovering near the tank surface is that
they are seeking oxygen
– oxygen levels in the aquarium are typically the highest near the surface of the water so if the oxygen level in your tank water is too low, your fish may begin to seek oxygen from the surface.
Should I leave my aquarium heater on all the time?
Do You Leave the Aquarium Heater on All the Time?
Yes, you can leave the heater on 24/7
. Aquarium heaters have an internal thermostat that turns off the heat when it reaches a specific temperature, thus keeping the water temperature within a few degrees of the desired setting.
Why is my guppy staying near the heater?
Guppies Stay in Corner Dues to
Inadequate Water Temperature
As mentioned before, the low water temperature can cause stress in guppies. On the other hand, warm water, above 86 °F (30 °C), will make the oxygen level in the water decrease. In this situation, your guppies will gasp for air at the surface.
Why is my betta fish hiding by the heater?
The reason this happens is that
they don't feel safe
. In the wild, betta fish can quickly become prey to bigger fish, so they prefer being in areas with a lot of hiding holes. If your betta feels like he's too out in the open and he has nowhere to hide then he's going to stick to his same hiding place all the time.
Can koi and goldfish mate?
Both koi and goldfish can be beautiful and they come in a variety of colors.
Koi will breed with the goldfish
. Some of the baby fish (fry) will be born brown or grey and may turn orange as they get older.
Can goldfish and mollies breed?
Unfortunately, not all fish can mate, even with some similarities. In this case,
Mollies and Goldfishes can't mate
. These are two very different species—the Molly being from the family Poecilia and the Goldfish from the family Cyprinidae.
Can you inbreed fish?
Even when fish are raised for food, the inbreeding produced by small populations can cause problems
. If unwanted inbreeding occurs, it can reach levels that cause growth rate or other production phenotypes to decrease.
Do fish ever fart?
Most fish do use air to inflate and deflate their bladder to maintain buoyancy which is expelled either through their mouth or gills which can be mistaken for a fart
.
Do fish feel sad when other fish dies?
No, fish do not get “sad” if another fish dies
. Fish do have a brain that is capable of some type of “emotion” but not to the extent that humans feel. They don't feel anything like sadness, but may feel something to a smaller extent.
Is fish keeping ethical?
Most people accept that captive-bred fish are much more ethical than sourcing wild-caught fish
. This might lead you to assume that all wild-caught fish automatically equal unethically sourced fish, but this isn't necessarily the case.
