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If you mean that "what kinds of fish can change gender," then the answer is that only certain types can. Certainly not all fish are capable of this.
Certain types of swordtails and clownfish are able to change from females to males or the other way around.
Also, surgeonfish have a very interesting gender system-there is no concept of gender to these fish. All of them are born females and stay females and give birth to clones of themselves.
For more information, this would be a great topic to search on the search engine you normally use. (Google, Yahoo, Bing)
What else can I help you with?
What variables can affect the number of fish in a lake?
Some variables that can affect the fish population of a lake are changes in water temperature, pollution, climate changes, and introduction of new species into this body. Another variable is the number of people that may fish in this lake.
Do fish experience sadness when another fish dies?
While it is not definitively proven, some research suggests that fish may exhibit behaviors that could be interpreted as mourning or sadness when another fish dies. This includes changes in behavior and interactions with the deceased fish. However, more research is needed to fully understand the emotional experiences of fish.
What do fish feel changes in the water around it?
A fish's lateral line feel changes in the water around it.
What is another name for devil fish?
Another mane for 'Devil Fish' is 'Poo Fish'.
What is another name for flying fish?
Another name for a flying fish is a Ray-Finned fish.
What is another name for fish?
Finfish is another name for fish.
What is another name for a fish tank?
Aquarium is another name for a fish tank
What is another name for a fish out of water?
beached fish and drowned fish
What color does the fish see?
changes with species.
How do fish adapt to environment changes?
migrate
What makes a fighting fish puff up?
their reflection, or another fighting fish. They see their reflection and think it's another fish
What makes a puff fish puff up?
their reflection, or another fighting fish. They see their reflection and think it's another fish
