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How to Identify and Classify Clownfishes
Contributed by: Wallis
  • 1. What family do clownfishes belong to?
A) Lutjanidae
B) Acanthuridae
C) Chaetodontidae
D) Pomacentridae
  • 2. What is the common name for fish in the Amphiprioninae subfamily?
A) Clownfish or Anemonefish
B) Butterflyfish
C) Surgeonfish
D) Angelfish
  • 3. Clownfish are typically found in symbiotic relationships with what?
A) Starfish
B) Sea urchins
C) Sea anemones
D) Coral reefs
  • 4. What provides protection to clownfish from anemone stings?
A) Mucus coating
B) Hard shell
C) Electric shock
D) Thick scales
  • 5. Clownfish are protandrous hermaphrodites, meaning they start as what?
A) Juvenile
B) Hermaphrodite
C) Female
D) Male
  • 6. If the dominant female clownfish dies in a group, what happens?
A) A new female joins the group
B) The group dies out
C) The largest male becomes female
D) The group disperses
  • 7. What is the general body shape of a clownfish?
A) Oval and compressed
B) Long and slender
C) Round and puffy
D) Square and flat
  • 8. What is a common color pattern seen in many clownfish species?
A) Pink with black dots
B) Orange with white bars
C) Green with purple stripes
D) Blue with yellow spots
  • 9. The number of white bars on a clownfish can help in species identification. True or False?
A) Depends on diet
B) Sometimes
C) False
D) True
  • 10. What region are most clownfish species found?
A) Arctic Ocean
B) Indo-Pacific
C) Mediterranean Sea
D) Atlantic Ocean
  • 11. Which clownfish is known as the Ocellaris Clownfish?
A) Amphiprion frenatus
B) Amphiprion percula
C) Amphiprion clarkii
D) Amphiprion ocellaris
  • 12. Which clownfish is known as the Percula Clownfish?
A) Amphiprion frenatus
B) Amphiprion clarkii
C) Amphiprion ocellaris
D) Amphiprion percula
  • 13. What type of diet do clownfish primarily have?
A) Herbivorous
B) Detritivorous
C) Omnivorous
D) Carnivorous
  • 14. What is the maximum size of most clownfish species?
A) 8-10 inches
B) 4-6 inches
C) 12-14 inches
D) 1-2 inches
  • 15. The Maroon Clownfish is known for what distinctive feature?
A) Extended dorsal fin
B) Spines on cheek
C) Forked tail
D) Bright blue eyes
  • 16. Which of these is NOT a common threat to clownfish populations?
A) Climate change
B) Habitat destruction
C) Over collection
D) Overpopulation
  • 17. What is the purpose of the cleaning behavior that clownfish display?
A) Attract a mate
B) Mark territory
C) Remove parasites from anemone
D) Establish dominance
  • 18. How many species of clownfish are currently recognized?
A) Around 30
B) Around 100
C) Around 10
D) Around 50
  • 19. What does 'Amphiprion' mean in Greek?
A) Bright fish
B) Saw around
C) Beautiful coral
D) Small swimmer
  • 20. What is a key difference between *Amphiprion ocellaris* and *Amphiprion percula*?
A) Tail shape
B) Bar thickness/black outlining
C) Color of the eyes
D) Body size
  • 21. Where are Tomato Clownfish (*Amphiprion frenatus*) typically found?
A) Caribbean Sea
B) Western Pacific
C) Eastern Pacific
D) Indian Ocean
  • 22. What is the scientific name for the Skunk Clownfish?
A) Amphiprion melanopus
B) Amphiprion akallopisos
C) Amphiprion sandaracinos
D) Amphiprion ephippium
  • 23. The Saddleback Clownfish (*Amphiprion polymnus*) is named for what?
A) The anemone it prefers
B) A dark patch on its back
C) Its swimming style
D) A unique fin shape
  • 24. Which clownfish species typically has a bright red or orange body with a black 'saddle'?
A) Maroon Clownfish
B) Saddleback Clownfish
C) Fire Clownfish
D) Tomato Clownfish
  • 25. What behavior is common among clownfish during breeding season?
A) Building nests
B) Egg guarding
C) Chasing other fish
D) Changing colors
  • 26. What is a key factor in determining the sex of a juvenile clownfish?
A) Coloration
B) Social hierarchy
C) Diet
D) Size
  • 27. Which of these anemones is NOT a known host for clownfish?
A) Magnificent Anemone
B) Brain Coral
C) Sebae Anemone
D) Bubble-Tip Anemone
  • 28. Why is it important to properly identify clownfish species?
A) To win contests
B) To impress friends
C) Proper care and compatibility in aquariums
D) For fun
  • 29. What physical characteristic is often used to distinguish between different clownfish species?
A) Pattern and color of stripes
B) Fin size
C) Scale count
D) Eye color
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