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Transcript of Ocean Animals
Survival! Ocean animals have unique characteristics that increase their chance of survival.
Camouflage coloration helps animals blend in with their surroundings.
Some animals are protected with spines, poisons, and armor. Their coloration is a warning to stay away!
Many open ocean animals have dark backs and light bellies. This is called counter shading. When animals are viewed from above, their dark backs blend in with the darkness of the deep ocean. When viewed from below, it is difficult for predators to see the light bellies against the bright sunlit surface of the ocean.
Unusual color patterns may hide vulnerable parts of an animal's body. The true eyes of a butterfly fish are hidden in a band of black. Near the tail are two "false eyes" This might confuse a predator into attacking the tail of the fish.
Spots and stripes help break up the body shape of some animals and help them hide against the background. This is a type of camouflage.
Body shapes can tell you where an animal lives and how it moves.
The fastest of all fish.
Power tail, torpedo shaped body.
Hunters. Ambush their prey. Remain motionless until a smaller fish swims near. Then, with lightning speed they lunge out to seize their prey.
Use camouflage instead of speed for survival. bottom dwellers.
Fish are thin. They are common on coral reefs. Their compressed bodies allow them to make quick sharp turns and dart in and out of hiding places.
Behavior and Special body features
Many animals combine behavior and special body features to help their chance of survival.
These look like whiskers, but they are feeling and tasting organs.
The mouths of many animals allow them to catch and eat foods that other animals cannot get to.
Some bottom dwelling fish have a special way oc capturing their pey. They use a "fishing lure" to attract their prey. When a fish swims near, they open their mouth and swallow them!
Several types of fish have special body organs that produce electricity.
Cleaners--some fish help keep other fish clean. They remove bits of dead skin or parasites from their host's body.
Interview a sea animal
Objective: Students will generalize that fish have a variety of sizes,
colors and forms. Students will also grasp that fish characteristics
are relative to their environment.
Each team of students should:
• Decide which fish to interview
• Write a list of questions to ask
• Use reference materials to take notes for appropriate
Questions might include
• Fin shape
• Size and length
• Mouth location and appearance
• Coloration and appearance
Use the information to a) be a newspaper reporter, b) write a newspaper interview, c) play a "who am I" game d) detective storu