OK Crayfish, that's what they are called, can grow up to 7.5 cm long (3 inches) and they weigh up to 2 to 8 ounces, they are closely related to the lobster.
Some can grow to five inches or more.
usually they get into fights with other sea creatures, but i think that they grow back. i think, so that's a maybe.
They commonly grow to around 14 inches but given perfect conditions can grow to up to 18 inches. They are essentialy fish for ponds or very large aquaria as are all goldfish.
jack dempseys can grow up to 8 inches and are native central America.
No, shubunkin fish will grow 9 to 18 inches long (23 to 41 centimetres). Koi can certainly grow 21 to 30 inches in length provided they are living in the right type of environment such as a large pond.
Halibut can grow to be anywhere from 20 inches in length to about 60 inches in length. They weigh between 3 and 100 pounds.
No, a shark cannot grow in a fish tank because sharks require a large and specific environment to thrive, such as the ocean.
The firemouth is a fish. It is a cichlid, native originally to South America and now also often to the freshwater aquarium. They are neither a terribly large nor small aquarium fish and, as is often but not always the case with animal species, the males are larger. They grow to a length of approximately six inches (15cm).
A viperfish can grow anywhere from 12 to 24 inches in length
about like 3lbs
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.
The size of a fish is dependent on many factors. The most important factor is genetics. Also important are size of aquarium, amount and type of food, and environment of aquarium. Goldfish will grow much larger in an outdoor pond than they will in an indoor aquarium, unless it is a huge aquarium. Goldfish in my outdoor pond grow to between 8-10 inches in length.
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.