

Perhaps, there are way more male than female goldfish. It is a sign that the ratio of male and female goldfish in the tank isn’t in ideal proportion. However, you need to worry if you see an adult goldfish chasing after and attacking the other adult male goldfish. The male goldfish chase after the female to make her exhaust before mating. If you look closely at the goldfish behavior, you will see the male goldfish chasing the female one during the mating session. So, dirty tank water will most likely cause the goldfish to attack other tank mates in the tank. Whenever the tank becomes dirty, goldfish become restless and start chasing each other as part of their stress.

Also, they produce a lot of wastage due to their basic digestive system, which rapidly turns the tank water dirty. Goldfish is extremely sensitive against any change in the tank condition. The fish will start chasing over other tank mates, and if they fit in the mouth, goldfish will definitely eat them too. They will become aggressive if there is any food scarcity in the tank. But if you fail to provide the goldfish with proper food at regular intervals, these fish will unleash their predatory instinct for food. So, as an owner, you need to feed the goldfish regularly to stop their ever-expanding hunger. However, the basic digestive system means that the goldfish is ALWAYS HUNGRY. So, you will see many wastages accumulating in the tank. It is adapted to absorb only the most essential nutrients from the food ingredients and leave away the larger portion of the food unattended. Well, goldfish have a basic digestive system. Very few people would probably know that goldfish don’t have a stomach. At this point, they will begin competing for ample in the tank and begin attacking the tank mates to establish their dominance in the tank. So, space becomes a constraint for the fish, and they will start showing territorial behavior like the bettas. Ideally, a fully grown goldfish requires 15 gallons to 20 gallons of tank water to swim and live happily without any competitions.īut, most owners don’t follow the rule and likely to overcrowded their goldfish aquarium. Likewise, every fish species, goldfish also like ample space to live happily in the tank.

Now we will discuss the unusual circumstances under when a goldfish becomes aggressive and look to attack other fish, including their counterparts. When this happens, you should know that something unusual has occurred in the tank. But this doesn’t rule out that they will never attack the different fish species in the tank.

In fact, most goldfish loves the companionship of their tank mates- both goldfish and other species. So, they will attack other fish species rarely. Likewise, their lovely appearance, goldfish is, in general, well behaved and friendly. Also, they are evidently non-concerned about their species and will eat the babies and eggs if they can catch them. However, if the fish babies can swim, goldfish won’t show interest in chasing and catching them to make a living.Ī goldfish will rarely eat other fish species during their larva and babyhood. It is valid for the eggs of other fishes as well, only if they can sneak close to the eggs. So, when the female goldfish hatches thousands of sticky eggs, the chances are high that they will eat most of them. Goldfish are infamous for their non-parental attitude. However, this happens at rare times.īut the greatest concern comes during the goldfish mating. When the goldfish comes in close contact of any baby fish that is catchable and fits their bite-size, goldfish won’t perhaps hesitate to eat them. These are often morsels or anything that is in real life edible for them. Goldfish usually browse for their food in the aquarium and would live on anything that fits their bite-size. So, the general perception is that goldfish won’t eat each other and other fishes as well.īut there are occasions when you will see goldfish living on smaller fishes and even on their species. Naturally, goldfish aren’t predator and aggressive.
