Fish Vocab

1. slits openings from the outside of the body to the gills
4. snout-like projection on the head
6. development is within the maternal body with nourishment from the maternal body
7. muscle segment in a segmental trunk
9. development within the maternal body with no nourishment from the maternal body
10. ossicles small bones which allow fish to hear faint sounds
12. a flap or cover over the gills
14. scales scales found I'm cartilaginous fish which has a dentin plate embedded in the skin and a back-ward pointing spine covered with enamel

1. respiratory organ in fish
2. fish that migrate downstream from the sea to spawn
3. bladder a gas filled chamber in fish
5. four footed animals
8. fish that migrate upstream from the sea to spawn
9. development that occurs outside the maternal body
11. depositing eggs for fertilization
13. line system cells down the side of the fish body used for sensing water currents and movements