Electroreception/Magnetoreception Flashcards
1
Q
How do some bony fish detect electrical fields?
A
- through pit organs on head filled with electrically conductive gel
2
Q
What are the 4 main purposes for pit organs?
A
- locating prey
- migration
- obstacle avoidance
- intraspecific communication
3
Q
How do marine elasmobranchs detect electromagnetic fields?
A
- ampullae of lorenzini
- short distance
4
Q
What do fish use during migration for geomagnetic orientation?
A
- magnetite crystals
