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Dissection of a Sea Bass Yee Jek Hui, Darryl (33) 1P1.

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Presentation on theme: "Dissection of a Sea Bass Yee Jek Hui, Darryl (33) 1P1."— Presentation transcript:

1 Dissection of a Sea Bass Yee Jek Hui, Darryl (33) 1P1

2 Parts of the Sea Bass

3 The Sea Bass The sea bass is white at the bottom, turning to a dark bluish silver at the top. The head and fins are darker than the rest of the body.

4 The Outside of a Sea Bass Pectoral Fin: Locomotion and side to side movement Pectoral fin Pelvic fin Anal fin Caudal (tail) fin Caudal peduncle Soft dorsal fin Spiny dorsal fin

5 The Outside of a Sea Bass Pelvic Fin: Move the fish up and down Pectoral fin Pelvic fin Anal fin Caudal (tail) fin Caudal peduncle Soft dorsal fin Spiny dorsal fin

6 The Outside of a Sea Bass Dorsal Fin: Lends stability in swimming Pectoral fin Pelvic fin Anal fin Caudal (tail) fin Caudal peduncle Soft dorsal fin Spiny dorsal fin

7 The Outside of a Sea Bass Caudal Fin: To propel the fish forward Pectoral fin Pelvic fin Anal fin Caudal (tail) fin Caudal peduncle Soft dorsal fin Spiny dorsal fin

8 The Outside of a Sea Bass Anal Fin: Like the dorsal fin, it also lends stability in swimming Pectoral fin Pelvic fin Anal fin Caudal (tail) fin Caudal peduncle Soft dorsal fin Spiny dorsal fin

9 Gills of a Fish Gills allow fishes to breathe underwater. They consist of gill filaments, gill arches and gill rakers.

10 Gills of a Sea Bass Gill Filaments: Large surface area to maximise the amount of oxygen absorbed. Gill arches Gill rakers Gill filaments

11 Gills of a Sea Bass Gill Arches: Provide support for the gills and their associated blood vessels Gill arches Gill rakers Gill filaments

12 Gills of a Sea Bass Gill Rakers: Bony, finger-like projections off the gill arch which function in filter-feeders in retaining food organisms Gill arches Gill rakers Gill filaments

13 Internal Anatomy of a Sea Bass Heart: Circulates blood throughout the body. The blood transports waste products from the cells to the kidneys and liver for elimination. Heart Pyloric caeca

14 Internal Anatomy of a Sea Bass Plyoric Caeca: Secrete enzymes that aid in digestion, may function to absorb digested food Heart Pyloric caeca

15 Internal Anatomy of a Sea Bass Muscles: Provide movement and locomotion Swim bladder Muscles Vent

16 Internal Anatomy of a Sea Bass Vent: The site of waste elimination from the fish's body Swim bladder Muscles Vent

17 Internal Anatomy of a Sea Bass Swim Bladder: A hollow, gas-filled balance organ that allows a fish to conserve energy by maintaining neutral buoyancy in water. Swim bladder Muscles Vent

18 Internal Anatomy of a Sea Bass Liver: It assists in digestion by secreting enzymes that break down fats, and also serves as a storage area for fats and carbohydrates. The liver also is important in the destruction of old blood cells and in maintaining proper blood chemistry, as well as playing a role in nitrogen (waste) excretion. Kidney Stomach Liver Intestines

19 Internal Anatomy of a Sea Bass Stomach & Intestines: Break down and digest food as well as absorb nutrients. Kidney Stomach Liver Intestines

20 Internal Anatomy of a Sea Bass Kidney: Filters liquid waste materials from the blood. It also regulates water and salt concentrations within the fish's body, allowing certain fish species to exist in freshwater or saltwater Kidney Stomach Liver Intestines

21 References 1. Badman’s Tropical Fish. (2010). Fish Anatomy [on-line]. Available: 2. Island Fishkeepers. (2008). Fish Anatomy [on-line]. Available: 3. Australian Museum. (2010). Dissection of a Blue Mackerel, Scomber australasicus [on-line]. Available: Scomber-australasicus

22 Thank You


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