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jack dempseys can grow up to 8 inches and are native central America.

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16y ago

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Do jack dempsey' s grow humps on heads?

no. they do not. there are other cichlids that do. Jack Dempsey cichlids have a v or u shaped head. (blue with different colored specks)


Can a shark grow in a fish tank?

No, a shark cannot grow in a fish tank because sharks require a large and specific environment to thrive, such as the ocean.


How can fish be influenced by another fish?

Bettas become particularly aggressive when they find other fish with large fins. This is an example of an influence in behavior. Fish can also be influenced depending on how many fish that live in the same tank. If there are little amounts of fish, they will grow quickly and large, as opposed to fish who are tightly packed in one tank, who don't grow as much and, sometimes, stuns their growth.


What are ways you can protect fish?

There is one way I know to protect fish is by building fish farms. There are large tanks that grow fish and control and regulate their growth, their food, and the water they grow up in. There are many advantages and many disadvantages as well.


How can you make sure you will grow BIG fish 1kg or more in an experimental fish tank?

It is impossible to make sure or guarantee that a fish will grow to a large size. But one can give a fish every opportunity to grow well and reach its maximum potential size. What you will need is a very large tank or pool large enough to house the fish comfortably when it is full size, a constant supply of fresh water, and a constant supply of suitable food available at all times. You will need to control the heat of the water, its pH and GH too. Provided you get everything right your fish will grow to its full potential.


What is the term for a fish growing as large as its environment allows?

When a fish grows as large as its environment it is an example of a limiting factor to the fishes growth. That is why a goldfish will grow larger with a larger tank.


What is the behavior of a fish inside a smaller spaced tank?

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What is a tuna fish considered to be?

A "tuna" is a type of marine fish, a sub-grouping of the mackerel family. Some species can grow to be very large.


How large can betta fish get?

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Some of the Pleco family grow quite large and should be kept with other largeish fish like Jack Dempeys and Oscars. Others are considerable smaller species but they will be OK with most of the Tetras, Barbs, Danios, Dwarf Cichlids and Anabantids.