1. Fish with a tolerance for a wide range of salinity levels.
Some Euryhaline Fish
Fish with a tolerance for a wide range of salinity levels.

2. Fresh water

3. . Gambusia/ mosquitofish
Named after the Cuban Spanish term for “useless”, this live-bearing freshwater fish is renowned for helping control insect populations. It also demonstrates sexual dimorphism.

4. Gonopodium: modified anal fin for depositing milt
Large abdomen with gravid spot

6. Can consume up to 167% of body weight in one day!!!
Sometimes called “larvivorous”
Can consume up to 167% of body weight in one day!!!

7. What’s for lunch? 367 pounds of burritos!

8. Reproduction possibilities in the animal kingdom:
Oviparous (egg laying) or Viviparous (live birth)

9. ovoviviparous
Emerging baby

10. Temperate brackish water

11. Three-spine stickleback Temperate zone brackish water fish
Three-spine stickleback Temperate zone brackish water fish. Sometimes with armor plates. No membrane connecting anterior dorsal spines.

13. Tropical brackish water

14. Black molly Sometimes sold in pet stores as an easy freshwater fish for beginners, this is actually a tropical brackish water fish.

15. Sailfin molly

16. Bumblebee goby Tropical brackish water fish popular with aquarists

17. Smallest vertebrates in the world

18. Fused pelvic fin: modified into a sucker

20. Archer fish tropical brackish water fish with a remarkable spitting ability

23. Marine (but near a coast)

24. Atlantic menhaden The adults of this commercially important fish spawn offshore and the larvae drift into estuaries to grow.

25. Kind of a generic fish

26. Tidepool sculpin Can withstand wide changes in their environment within the course of a day.

27. What could happen here?

28. Super-saline habitat

29. An example of an EXTREMOPHILE
Pup fish
Remarkable little fish that lives in hot super-saline pools in the desert

30. Devil’s Hole in Death Valley

34. And now a little about Elodea

35. Elodea CELL WALL CHLOROPLASTS: organelles used for photosynthesis
VACUOLE: water storing organelle
CELL WALL