Is my fish underweight?

When viewed from above, if the fish’s head is significantly wider than the body, rather than showing a gradual taper from the front to the back, then the fish is certainly underweight.

Is it bad to Underfeed fish?

chances are your fish are not underfed. i believe there are more cases of overfeeding than underfeeding. it would be difficult to see if they are underfed, but overfeeding you could see fat fish, or too many nitrates. in your case without a filter you’re right, you do need to be careful.

How do I know if my fish are getting enough food?

Fish will eat as much as they need, so dispense the food in a few servings. When they start spitting out the food, they’ve eaten enough. If there is food remaining in the tank and floating to the bottom, you’re giving your fish too much feed.

What does it mean if your fish is losing scales?

A fish’s scales should be smooth, lie flat against the body and be unbroken. Scale loss can be the result of physical injury, when a fish bumps into something or rough handling, parasites, a water quality problem or skin infections. If there is an infection there will be additional signs, such as a reddened area.

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Do fishes sleep?

While fish do not sleep in the same way that land mammals sleep, most fish do rest. Research shows that fish may reduce their activity and metabolism while remaining alert to danger. Some fish float in place, some wedge themselves into a secure spot in the mud or coral, and some even locate a suitable nest.

Can you under feed fish?

When in doubt, underfeed! You can always give them another small feeding if necessary. However, if you overfeed, the uneaten food will produce wastes that can be harmful to the fish. In the event that you do overfeed, promptly remove the uneaten food from the tank using a siphon or net.

How do I stop overfeeding my fish?

Begin by feeding the fish the amount you usually do, and see if they eat all the food within four or five minutes. Gradually reduce the amount of food you give the fish until they finish the feeding in the appropriate amount of time. If there is ever food left in the tank, remove uneaten food with a net or siphon.

How do you tell if your goldfish is overfed?

Watch for signs that you’re overfeeding your goldfish. If your goldfish cannot eat all of its food in three to five minutes, you’ve given it too much. You’ll also see excessive food accumulating in the substrate, where food will break down into a brownish-gray or blackish substance called mulm.

How do I know if my pleco is underfed?

Best place to check if a plec is underfed is to check behind the eyes. If the area on the head behind the eyes is sunken, the fish has been seriously malnourished; apparently they store fat back there, and of course if its sunken they have been using those reserves.

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Do fish recognize their owner?

Of course, different species of fish will have different abilities, as well as different levels of vision. In most cases though, yes, fish are able to recognize their owners and in some cases form an attachment. … The fish will come over to their recognized owner who often offers a food treat or reward.

How do I know if my fish are hungry?

How To Tell If Your Fish Is Hungry

  1. Your fish is digging around the substrate (searching for food).
  2. Waiting and the top of the aquarium (for feeding time).
  3. Behavior changes (aggression).
  4. Noticeable weight/size changes.
  5. Slow or sluggish behavior.


How long can fish go without eating?

Don’t Feed Your Fish

As for food, freshwater fish are quite capable of going for several days without a meal. Healthy adult fish can go for a week or two without feeding. However, young fish don’t have the fat stores of adult fish and they cannot go without eating very long.

Do fish shed their slime coat?

Other than that, fish will shed their slime coat in response to irritants in the water. Salt, Ammonia, wrong pH and other things. Some Slime Coat Enhancers that are incorporated in water treatments actually cause problems like this: One way they ‘enhance’ slime coat growth is by adding an irritant to the water.

Why does it look like my fish is peeling?

Often it is due to bad water conditions, high ammonia, bacterial infections etc. Get a test water kit and check for ammonia, nitrites etc. Meanwhile start with large water changes, up to 50% on a daily basis, use a good quality water conditioner. Good clean water is often best medicine, feed lightly.

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What does ammonia poisoning in fish look like?

Symptoms of Ammonia Poisoning in Fish

Initially, the fish might appear to be gasping at the surface for air. Their gills will take on a red or lilac color, making them look like they’re bleeding. Your fish will start losing their appetites, as their bodily functions fail, and they will become increasingly lethargic.

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