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