Fish Research

Megan Hoppens, Slade Young,, and Natasha Shrestha

What is the lateral Line?

Lateral Line:

One of the fish's primary sense organs; detects underwater vibrations and is capable of determining the direction of their source. It can be in weak water motions and pressure gradients.

Swim Bladder

Hollow, gas-filled balance organ that allows a fish to conserve energy by maintaining neutral buoyancy (suspending) in water.The property of water that relates to the swim bladder is buoyancy.
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Fish Eyes

Fish do see in color. Their eyes work by by focusing the lenses in and out, and reshaping. The property of water that affects the eyes is pH.
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Fish breathe by using their gills. The vessels on the gills are bright red. . An operculum (gill cover) that is a flexible bony plate that protects the sensitive gills. Water is "inhaled" through the mouth, passes over the gills and is "exhaled" from beneath the operculum. The properties of water that gills would get a negative affect on would be pH level that's not from 6-8, pressure, and buoyancy.
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Fish move by using their fins. The single fins from the center line of the fish include the dorsal (back) fins, caudal (tail) fin and anal fin, or paired fins. which include the pectoral (chest) and pelvic (hip) fins. Fishes such as catfish have another fleshy lobe behind the dorsal fin, called an adipose (fat) fin.


Humans and fish both have the same organs such as the brain, stomach, liver, and kidneys. The lungs in humans and the gills in fish are not the same.

Fish sleep by floating in place or by getting themselves in mud or coral.

Suba Divers

While fish use their swim bladders to help control the buoyancy, scuba divers use density, pressure, and buoyancy because of the weight in the wetsuits.