Animals Vertebrates. Five Classes Endoskeleton Support Protect Attachment Notochord.
Class Osteichthyes Bone endoskeleton Thin flexible scales (______ or ______) Bony ________ pumps...
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Transcript of Class Osteichthyes Bone endoskeleton Thin flexible scales (______ or ______) Bony ________ pumps...
Class Osteichthyes
• Bone endoskeleton• Thin flexible scales
(______ or ______)• Bony ________ pumps
water across gills• Most have swim bladder• ______ (symmetrical) tail• Protrusible jaw with
terminal mouth
Cycloid Ctenoid
Operculum
Homocercal
Phylum ChordataSubphylum VertebrataClass Osteichthyes
Ctenoid Scale_______ ScaleCtenoid
What type ofscale is this?
Phylum ChordataSubphylum VertebrataClass Osteichthyes
Cycloid Scale_______ ScaleCycloid
What type ofscale is this?
Phylum ChordataSubphylum VertebrataClass Chondrichthyes
Placoid Scales
What type are scales are these?
1. Operculum2. Dorsal fins 3. Caudal fin
4. Lateral line 5. Pectoral fin6. Pelvic fin
7. Anal fin
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First dorsal finSecond dorsal finCaudal fin
Anal fin Pelvic finPectoral fin
Operculum Eye
Nostril
Lateral line
Gills Heart Liver
Stomach
Intestine
Swim bladder
GillsLiver
Swimbladder Gonad
Stomach
1. 2.3.
4.
5.
6.
7.8. 9.
10.
Gills
Ventricle (Heart)
Liver
Pyloric caeca
Stomach
IntestineSpleen
Gills Atrium(Heart)
Ventricle (Heart)
Liver
GallBladder
Intestine
Urinary bladder
Gonad Intestine
PerchAnatomy
1. Gills 2. Kidney 3. Swim bladder 4. Gonad 5. Urinary bladder
6. Heart 7. Liver 8. Stomach 9. Pyloric ceca 10. Pancreas 11. Intestine
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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
First dorsal finSecond dorsal finCaudal fin
Anal fin Pelvic finPectoral fin
Operculum Eye
Nostril
Lateral line