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Group 7 OPERCULUM MOVEMENT

Group 7 OPERCULUM MOVEMENT. Members : MODANZA, ESPANTO, SAJOL, CUIZON. I.OBJECTIVE/PROBLEMS :. Objective: This experiment aims to assess whether or not the operculum movement of fishes is affected by the quality of aquatic environment the fish is present in. Main Problem.

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Group 7 OPERCULUM MOVEMENT

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  1. Group 7OPERCULUM MOVEMENT Members: MODANZA, ESPANTO, SAJOL, CUIZON

  2. I.OBJECTIVE/PROBLEMS: Objective: This experiment aims to assess whether or not the operculum movement of fishes is affected by the quality of aquatic environment the fish is present in. Main Problem What is the effect of the type of water and increased phosphorus content in the habitat on the operculum movement of fishes?

  3. SPECIFIC PROBLEMS: • How does the fish react to the detergent that is put in its habitat? • How is the rate of the fish’s operculum movement affected by the change in its habitat? • What are the signs that the fish had exhibited regarding its new surroundings? • How did the condition of the fish without detergent differ from that of the fish with detergent?

  4. II. MATERIALS: • Graduated Cylinder • Foldable Magnifier • 2 identical bowls • Detergent • Water • Timer • 2 identical fishes • Variables: • Dependent Variable: Fish’s response • Independent variable: Amount of detergent • Controlled variable: amount of water, depth of container, , time element

  5. III. PROCEDURES: • The materials were gathered. • Two identical bowls were labeled A and B and filled with 800 ml of water each. • Each of the two fishes was placed in either of the two bowls and were labeled setup A and B respectively. 4. Each of the bowls was placed under the foldable magnifier and operculum movement was then determined in each of the two setups (A and B) in the time span of one minute.

  6. 5. 10 ml of detergent was then measured in the graduated cylinder and poured into setup B. 6. Setup B was then observed for one minute. 7. After a minute, the fish in setup B was transferred to container with clean water. 8. Operculum movement was again observed in the container for one minute.

  7. IV.RESULTS & DISCUSSIONS: Results SETUP A SETUP B

  8. SETUP A • Lively • Vertical Swimming • Clear Eyes • Normal operculum movement (76 c/min) SETUP B • Occasional convulsions • Horizontal swimming • Cloudy eyes • “Death Roll” • Slowed operculum movement (46 c/min)

  9. Discussion Detailed external features of a Goldfish R edOranda ( Carassiusauratus)

  10. Detailed internal features of a Goldfish

  11. PARTS OF A FISH Nostrils Mouth Operculum

  12. Find the nostril of the fish. NOSTRIL BACK

  13. MOUTH BACK

  14. OPERCULUM BACK

  15. GILLS OPERCULUM BACK

  16. No aquatic plants Oxygen depletion Death Tap water is used WATER Metals like chlorine and chloramine Pre-death symptoms • Occasional convulsions • Horizontal swimming • Cloudy eyes • “Death Roll” Increased phosphorus content Operculum movement is slowed • (46 c/min)

  17. V. Conclusion Based on the data presented above, we can therefore conclude that: The operculum movement of fishes is affected by the quality of aquatic environment the fish is present in, since the fish was not able to survive in the new type of environment (with the presence of detergent and the new kind of water in the container).

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