Download Practice Quiz 9

Class Osteichthyes
• Bone endoskeleton
• Thin flexible scales
Ctenoid
Cycloid
(______
or ______)
Operculum
• Bony ________
pumps
water across gills
• Most have swim bladder
• Homocercal
______ (symmetrical) tail
• Protrusible jaw with
terminal mouth
Class Osteichthyes: Bony Fishes
Phylum Chordata
Subphylum Vertebrata
Class Osteichthyes
What type of
scale is this?
Ctenoid Scale
_______
Ctenoid Scale
Cycloid
Cycloid Scale
_______
Scale
What type of
scale is this?
Phylum Chordata
Subphylum Vertebrata
Class Osteichthyes
Phylum Chordata
Subphylum Vertebrata
Class Chondrichthyes
Placoid Scales
What type are scales are these?
1. Operculum 2. Dorsal fins 3. Caudal fin
4. Lateral line 5. Pectoral fin 6. Pelvic fin
7. Anal fin
2
2
1
3
5
4
6
7
Caudal fin
Anal fin
Second dorsal fin
Lateral line
First dorsal fin
Operculum
Pelvic fin
Pectoral fin
Eye
Nostril
B. Swim bladder
A. Gills
D. Heart
Liver
E. Stomach
C. Gonad
F. Intestine
A. Gills
D.
Heart
E.
Pyloric caeca
B. Swim bladder
C. Gonad
F.
Stomach
G. Intestine
Swim bladder
5.
6. Gills
1.
Gills
2.
Heart
3.
4.
Stomach
Swim
Liver bladder Gonad
7.
8.
9.
Liver
Stomach
10.
Intestine
Stomach
Perch
Anatomy
Gills
Ventricle (Heart)
Liver
Pyloric caeca
Intestine
Spleen
Gall
Bladder
Intestine
Urinary
bladder
Gonad
Intestine
Liver
Ventricle
(Heart)
Atrium
(Heart)
Gills
Parts of a
Typical
Epipelagic
Fish
3
2
3
4
5
1
6
7
8
9
1. Gills
6. Heart
2. Kidney
7. Liver
11
10
8
3. Swim bladder
8. Stomach
4. Gonad
9. Pyloric ceca
5. Urinary bladder
10. Pancreas
11. Intestine
Pharynx
• Behind mouth
• Houses gills
• Gill arches may
be equipped with
inwardly directing
projections called
gill rakers that aid
in filtering food
from the water
Esophagus, Stomach, and Intestine
•
The esophagus is short
and contains taste buds
•
The stomach functions in
storage
•
Pyloric caeca secrete
digestive enzymes.
•
Carnivores have short
intestines, herbivores
have long intestines.
•
The intestine functions in
the digestion of nutrients
Caudal fin
Anal fin
Second dorsal fin
Lateral line
First dorsal fin
Operculum
Pelvic fin
Pectoral fin
Eye
Nostril
Gills
Swim bladder
Heart
Liver
Stomach
Gonad
Intestine
A. Gills
D.
Heart
E.
Pyloric caeca
B. Swim bladder
C. Gonad
F.
Stomach
G.
Intestine
A
B
C
B
C
D
E
A
F
G
H
I
L
J
K