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A fish controls its depth by increasing or decreasing the amount of air in its swim bladder.
When a fish has more air in the swim bladder, it is more bouyant and rises to the surface ,but when it lets out the air and the swim bladder fills with water, it becomes less bouyant so the fish sinks.
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∙ 13y ago
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What depth fish can live?
the maximum depth fish can live is 400 meters under water
What water depth does a puffer fish live in?
Depth of 1.5-2 m
How does the density of water change with depth?
the density of sea increases with depth
Why the position of the fish inside the water seems to be at less depth than of its actual position?
Light coming from the fish under water deviate from its original path due to refraction phenomenon and its image is displaced from its actual position. The image of fish is appeared at shallower depth than its actual depth
Why does velocity of water change with depth?
The primary change is of pressure, increasing at 1 Bar per 10 metres of depth; but in the oceans, the temperature and salinity also alter in subtle ways.
What do the side fins do for a fish?
They assist in stabilizing the fish so that it doesn't roll side to side. It also helps it change its depth in the water working like a wing so it can move up and down.
How does water pressure change with depth?
the cat in the fiddle
Why would the depth suddenly change if the equipment were detecting a shoal of fish?
Because shoal is a group of fish and fish is singular thats why it changes the equipment
How can currents help the fishing industry?
the fish like warm or cold water. the currents tell were the fish are. like what depth
Which information is most important when passing near a lighthouse?
Depth of water
How do you change the water in the tank if one fish dies and one lives?
put the live fish in a bag filled with water and change the tank then put the fish back in.
How much water is in a fish tank of width 29 depth 15 and width 13?
(INCHES)
