Monday, April 2, 2018

Zebrafish 101



Zebrafish are an increasingly common sight in or near our research facilities. How much do you know about keeping fish (and zebrafish in particular)?



1. Which characteristics of zebrafish development make them so attractive for studying embryonic development?

2. What is the genus and species and native location

3. Zebrafish water quality parameters should be:
a. pH
b. temperature
c. conductivity
d. hardness

4. True or false, ammonia , nitrite and nitrate are very toxic to fish

5. Why should the temperature of the tank room be maintained slightly higher than tank water?

6. When retrofitting a fish facility into a room on an upper floor – what construction detail should not be overlooked?

7. What is the best method to control excess algae in the aquarium

8. What is the commonest cause of fish becoming ill due to infectious disease?

9. Which Mycobacterium species are commonest in aquarium fishes? Can they infect people?

10. What are the commonest bacterial infections?

11. Which is the commonest nematode and what is the characteristic feature of its eggs?

12. Which is the commonest flagellate skin disease and what characteristic behavior is seen with infected fish?

13. What is the commonest fungal disease caused by and is it usually primary or secondary? What is the prognosis?

14. What is the commonest ciliated protozoan parasite of skin?

15. Which ciliate protozoan parasites infect gills? Are they common in the lab?

16. When treating a tank with antibiotics, what should be done with respect to external filtration? Which drug could be photoinactivated?

17. Which diseases can be treated by salt water immersion and raising tank temperature?

18. Which disease requires depopulation and intensive environmental treatment with bleach to prevent reintroduction from the environment?

19. Malachite green is a popular treatment for fish infections, which should not be used in the laboratory. Why not?

20. Not to belabor the point, but what is the commonest cause for sick fish?

ANSWERS POSTED HERE




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