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
Fishes - BiologyH. Sensory Systems
1. Smell/Taste• Sensory cells in olfactory sacs
2. Lateral lines
Fishes - BiologyH. Sensory Systems
3. Inner Ear• Calcareous otoliths – rest on sensory hairs
Fishes - BiologyH. Sensory Systems
4. Electro Magnetic Fields
Fishes - BiologyI. Behavior
1. Schooling
Swimming Feeding Predator Avoidance
Fishes - BiologyI. Behavior
2. Migration
Anadromous
Transoceanic
Fishes - BiologyI. Behavior
2. Migrationa) Anadromous
• Spend most of life in ocean and spawn in freshwater
• Salmon – use smell and magnetic field to find home river
• Salmon – habitat destruction impacts reproduction ability
Fishes - BiologyI. Behavior
2. Migrationb) Catadromous
• Spend most of life in freshwater and spawn in saltwater