Fishes
Jan 11, 2016
Fishes
Fishes - BiologyA. Body Shapes
• Strongly related to lifestyle
Fishes - BiologyA. Body Shapes
1. Fusiform
Video
Fishes - BiologyA. Body Shapes
2. Laterally CompressedVideo
Fishes - BiologyA. Body Shapes
3. Flattened
Fishes - BiologyA. Body Shapes
4. Eel-likeVideo
Fishes - BiologyA. Body Shapes
5. Unusual, Irregular
Video
Fishes - BiologyB. Coloration
• Color comes from pigments in chromatophores
• Structural colors come from iridophores
1. Warning Coloration
2. Cryptic Coloring
3. Disruptive Coloring
4. Countershading
Fishes - BiologyB. Coloration
Cryptic Countershading
Warning Disruptive
Fishes - BiologyC. Locomotion
• Most fish use rhythmic side to side motion of body produced by myomers
1. Sharks and Rays
Fishes - BiologyC. Locomotion
2. Bony Fishesa) Eel-like
b) Cadual
c) Dorsal/anal
d) Pectoral
e) Other
Fishes - BiologyD. Feeding
1. Sharks and Cartilaginous Fisha) Carnivores that bite pieces off larger prey
b) Ingest smaller prey whole
c) Filter plankton using gill rakers
video Pictures
Fishes - BiologyD. Feeding
2. Bony Fisha) Capture large prey whole
b) Pickers – ingest small prey whole
c) Grazers
d) Filter Plankton
Fishes - BiologyD. Feeding
2. Bony Fish
Fishes - BiologyE. Circulatory System
Fishes - BiologyF. Respiratory System
1. Irrigation of gills
Fishes - BiologyF. Respiratory System
2. Gill Structures
Fishes - BiologyF. Respiratory System
2. Gill Structures
Fishes - BiologyG. Regulation of Internal Environment
1. Chondricthyes
Fishes - BiologyG. Regulation of Internal Environment
2. Bony Fish