Fishery

TLE 8

1. FISHERY

2. Fishery - is the business of catching, taking handling, harvesting, marketing and preserving fish and other fish or aquatic product.

3. Branches of fishery

4. Fish culture - It is the art and science of raising aquatic products under a controlled or semi-controlled environment.

5. 2. Fish cAPTURE It is the branch of fishery science that deals with scientific method of catching any aquatic animal

6. 3. Fish preservation - It is the method of extending the shell life of fish and other fishery products by applying principles of chemistry.

7. FIN FISH

8. SHELLFISH

9. 1.OPERACULUM/GILL COVER It is the bony structure covering and protecting

10. 2.SCLALES The part of the fish that cover the body .

11. 3.FINS These are appendages used by the fish to maintain its position , move ,steer , and stop.

12. 4. EYES Fish is through their eyes and can detect color .

13. 5. MOUTH Besides being the only channel where food are entered ,the inner part of the mouth contains the taste sensory .

14. 6.CAUDAL PENDUNCIE It is engine to thrust the fish forward and caudal fin is the propeller that releases that thrust.

15. 7.NARES / NOSTRILS Fishes do smell .

16. 8.PECTORAL FINS These allow the fish to stabilize ,rotate ,and act like a water – braking system to halt or slow down their speed during swimming.

17. 9. PELVIC FINS These allows the fish to stabilize itself and act like a water-braking system.

18. 10. ANAL FINS It keeps the fish upright during the swimming and also acts like a sub rudder to help the fish to steer during high speed swim.

19. 11.HARD DORSAL FIN It is also known as spinous fin .

20. 12.LATERRAL LINE It is one of vital organs that help the fish the fisher to detect movement in order to evade predators or located their preys.