How to Care for Loaches - Exam
  • 1. What is the minimum tank size recommended for most loach species?
A) 10 gallons
B) 30 gallons
C) 5 gallons
D) 20 gallons
  • 2. Loaches are generally considered to be...
A) Bottom dwellers
B) Solitary hunters
C) Surface dwellers
D) Mid-level swimmers
  • 3. What type of substrate is best for loaches?
A) Sand
B) Bare bottom
C) Sharp gravel
D) Large rocks
  • 4. Loaches are social creatures and should be kept in groups of at least...
A) 2
B) 1
C) 5
D) 3
  • 5. What is a common disease that can affect loaches?
A) Fin Rot
B) Swim Bladder Disease
C) Ich (White Spot Disease)
D) Dropsy
  • 6. What is a good indicator of water quality problems in loaches?
A) Bright coloration
B) Increased appetite
C) Building a nest
D) Erratic swimming
  • 7. What is the ideal water temperature range for most loaches?
A) 60-70°F (15-21°C)
B) 88-95°F (31-35°C)
C) 50-60°F (10-15°C)
D) 75-86°F (24-30°C)
  • 8. What should be included in a loach's diet?
A) Only algae wafers
B) Only flake food
C) Only bloodworms
D) Sinking pellets and live foods
  • 9. Why is it important to quarantine new loaches before introducing them to the main tank?
A) To give them a bigger space
B) To prevent disease transmission
C) To acclimate them to the water
D) To make it easier to feed them
  • 10. Loaches are sensitive to...
A) Light
B) Algae
C) Medications
D) Strong currents
  • 11. Which of these decorations is best for loaches?
A) Decorations that float
B) Caves and hiding places
C) Sharp decorations
D) Decorations with no holes
  • 12. Loaches are known for their...
A) Shyness
B) Aggressiveness
C) Playful behavior
D) Lethargy
  • 13. What is an appropriate water change schedule for a loach tank?
A) 100% weekly
B) 25% weekly
C) 10% monthly
D) 50% daily
  • 14. What type of filter is recommended for a loach tank?
A) No filter at all
B) A small sponge filter
C) An over-sized filter
D) An undergravel filter
  • 15. Before adding new water to the tank, it should be...
A) Dechlorinated
B) Frozen
C) Boiled
D) Salted
  • 16. Loaches use barbels around their mouths to...
A) Attack prey
B) Clean the substrate
C) Signal each other
D) Find food
  • 17. What is a common symptom of stress in loaches?
A) Loss of color
B) Increased activity
C) Excessive eating
D) Breeding behavior
  • 18. Why is it important to cycle a new aquarium before adding loaches?
A) To add oxygen to the water
B) To make the water clear
C) To warm the water
D) To establish beneficial bacteria
  • 19. What is an ideal pH level for most loach species?
A) 6.0-7.5
B) 8.0-9.0
C) 7.5-8.5
D) 5.0-6.0
  • 20. If your loach is flashing, it may be a sign of...
A) Happiness
B) Parasites
C) Boredom
D) Hunger
  • 21. What kind of lighting is best for a loach tank?
A) UV lighting
B) Bright lighting
C) Dim lighting
D) No lighting
  • 22. Loaches are scaleless fish. This makes them...
A) More susceptible to diseases
B) Less sensitive to water parameters
C) Less susceptible to diseases
D) Easier to breed
  • 23. What is the common name for Chromobotia macracanthus?
A) Kuhli Loach
B) Clown Loach
C) Dojo Loach
D) YoYo Loach
  • 24. What can you use to safely treat Ich in a loach tank?
A) Formalin
B) Copper-based medications
C) Salt and increased temperature
D) Malachite green
  • 25. What can you do to encourage natural foraging behavior in loaches?
A) Feed them in one spot
B) Scatter food around the tank
C) Only feed them live food
D) Only feed them at night
  • 26. Loaches enjoy eating...
A) Sand
B) Snails
C) Plastic plants
D) Rocks
  • 27. Which of these is NOT a common species of loach?
A) Clown Loach
B) Kuhli Loach
C) YoYo Loach
D) Betta Loach
  • 28. Why is it important to have a secure lid on a loach tank?
A) They need darkness
B) To keep the water warm
C) They can jump
D) To prevent algae growth
  • 29. What is the scientific name for the Dojo Loach?
A) Misgurnus anguillicaudatus
B) Chromobotia macracanthus
C) Botia almorhae
D) Pangio kuhlii
  • 30. How does having a high water flow affect loaches?
A) Water flow doesn't affect them
B) They prefer very high flow
C) They prefer no flow
D) They prefer moderate flow
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