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Fish have an organ called a swim bladder. This organ controls exactly where in the water a fish is. Its fins simply propel the fish in a direction. The swim bladder controls the up and down bit.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoNot all fish do swim to the deep. Some are mid water fish and others tend to stick close to the surface. It all depends on how they evolved and what purpose/place they have in their environment.
Wiki User
∙ 14y agoany fish needs to be able to hide at the bottom when a preditor comes and eat at the top and swim with the others in the middle of the tank
Wiki User
∙ 13y agoAs with the Salmon, a fish would normally go upstream to the place of its birth, to mate.
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Which fish swim up rivers?
samon swim up river to lay their eggs then they die
Do fish get lost?
no they swim up the rivers and steams to go to there place there they there born
What is a fish that lives in a area and travels to another to spawn?
Salmon live in the ocean, but swim up rivers to spawn.
Can sea fish swim in rivers?
No they can't because they need to have salt in the water. So no sea fish cannot swim in the river.
Where do catfish swim?
In lakes and rivers unless your into the aquarium hobby, then they would swim in a fish tank/aquarium.
Do Catfish swim?
In lakes and rivers unless your into the aquarium hobby, then they would swim in a fish tank/aquarium.
What did early humans do in rivers?
Early humans used rivers for water to drink, cook, bathe, and irrigate crops; to fish; to swim; to travel; etc.
What ocean do catfish swim?
Catfish do not swim in the ocean, they are found in rivers, creeks, and fresh water ponds.
Is there a way to give fish to other players on Animal Crossing Wii?
No, fish can only be released in rivers, ponds and the ocean and when they are released they swim away.
Can you name a 5 letter silvery fish?
The answer is smelt. Caught in rivers emptying into Lake Superior by net when they swim up stream to spawn.
What kind of fish swim up stream?
The cute little creatures called salmon are the fish that swim up stream! Bears love them. :0)
Why are rivers so important in new zealand?
Because it helps provide us with clean air, and it protects our native wildlife (eg our birds etc)
