Fish Environment

Freshwater FishCommon fish?

CarpSmall Mouth Bass

TroutCatfish

Freshwater Fish Where do these fish live?LakesRiversPondsStreams

Why can’t freshwater fish live in salt water? Osmosis causes freshwater fish to

constantly absorb water so they never have to "drink”

What would happen if we place a freshwater fish in salt water?The fish would quickly lose water from

its cellsThe water would not be replacedFish would die of dehydration

Saltwater Fishhttp://www.oceanli

ght.com/fish.htmlCommon fish we

will focus on:Striped BassFlounderBluefish

Saltwater FishWhere do

saltwater fish live?BayOcean

These fish love to stay near structures Hiding place to

attack their prey Protection

Why can’t saltwater fish live in fresh water? Saltwater fish have evolved to deal with water

constantly rushing out of their bodiessalt in the surrounding water puts pressure on the

fishconstantly drinking water and releasing salts

If you put a saltwater fish into fresh water, it continues to drink water, and push salts out if its bodyquickly loses too much salt, and its body begins to

reactNerves become inactive, fish's organs shut down,

causing it to die

Thumbs up, Thumbs DownTrout, catfish, and small mouth bass live

in fresh water.Freshwater fish live in the bay.Freshwater fish never “drink”.Bluefish live in lakes.Saltwater fish love to stay near structures. Saltwater fish would die if put in fresh

water for a long period of time.

So, what are we doing today?We are going to go fishing!In the “morning”, we are going to go

fishing in the ocean to catch flounder, bluefish, and striped bass.

In the “afternoon”, we are going to go fishing at the lake to catch trout, catfish, and small mouth bass.

Our goal: find the total number of each fish in our lake and ocean.

Quick Math ReviewExperimental

ProbabilityWhat actually

happens Physically doing it

Theoretical ProbabilityWhat we expect to

happen Can be proven

How do we find the average of something?

Total number of times an item is picked number of items we have