How to Identify and Classify Goldfishes
  • 1. What is the most common type of goldfish?
A) Bubble Eye goldfish
B) Oranda goldfish
C) Single-tailed goldfish
D) Fantail goldfish
  • 2. What distinguishes fancy goldfish from common goldfish?
A) Modified body shape and finnage
B) Greater resistance to disease
C) Larger size
D) Brighter colors
  • 3. Which fin is NOT paired in a goldfish?
A) Anal fin
B) Pelvic fin
C) Dorsal fin
D) Pectoral fin
  • 4. What is the defining characteristic of a Ranchu goldfish?
A) Lack of a dorsal fin and a warty headgrowth
B) Long, flowing fins
C) Bubble-like sacs under the eyes
D) Telescopic eyes
  • 5. What type of tail does a Fantail goldfish possess?
A) Single tail
B) Ribbon tail
C) Veil tail
D) Double tail
  • 6. Which goldfish variety is known for its telescopic eyes?
A) Black Moor
B) Lionhead
C) Comet
D) Pearlscale
  • 7. What is the primary color of a Shukin goldfish?
A) Blue
B) Orange
C) Black
D) Red and white
  • 8. What is a characteristic feature of a Pearlscale goldfish?
A) A long, flowing tail
B) Downward pointing eyes
C) Raised scales that resemble pearls
D) A bumpy head
  • 9. Which goldfish is known for its bubbly sacs under its eyes?
A) Pom Pom
B) Bubble Eye
C) Celestial Eye
D) Telescope Eye
  • 10. What is the difference between a Lionhead and a Ranchu?
A) Lionheads are red, Ranchus are white
B) Ranchus have telescopic eyes, Lionheads do not
C) Lionheads have a dorsal fin, Ranchus do not.
D) Lionheads have a more pronounced headgrowth, and a curved back whereas ranchus don't
  • 11. What is the body shape of a Comet goldfish?
A) Discoid
B) Streamlined
C) Egg-shaped
D) Rounded
  • 12. The Celestial Eye goldfish has what distinctive feature?
A) Eyes that point downwards
B) Eyes that bulge outwards
C) Eyes that are very small
D) Eyes that point upwards
  • 13. What type of goldfish is most likely to be kept in ponds?
A) Bubble Eye goldfish
B) Comet goldfish
C) Ranchu goldfish
D) Pearlscale goldfish
  • 14. What feature defines an Oranda goldfish?
A) Long flowing fins
B) Telescopic eyes
C) Bubbly sacs under its eyes
D) A prominent headgrowth (wen)
  • 15. What does 'metallic' goldfish coloration refer to?
A) Scales containing actual metal
B) Shiny and reflective scales
C) Dull and muted scales
D) Transparent scales
  • 16. What type of diet do goldfishes have?
A) Piscivorous
B) Herbivorous
C) Omnivorous
D) Carnivorous
  • 17. What is the average lifespan of a well-cared-for goldfish?
A) 20-30 years
B) 1-2 years
C) 10-15 years
D) 3-5 years
  • 18. What type of water do goldfishes prefer?
A) Freshwater
B) Distilled Water
C) Brackish water
D) Saltwater
  • 19. What is the scientific name of the goldfish?
A) Carassius auratus
B) Cyprinus carpio
C) Poecilia reticulata
D) Betta splendens
  • 20. Which goldfish breed is thought to have originated in Japan?
A) Ranchu
B) Comet
C) Fantail
D) Black Moor
  • 21. What is the benefit of the dorsal fin on goldfish?
A) Provides stability
B) Enhances speed
C) Increases oxygen intake
D) Attracts mates
  • 22. What type of tail fin does a Veiltail goldfish have?
A) Short, stubby tail
B) Forked tail
C) Rounded tail
D) Long, flowing tail
  • 23. Which of these is NOT a common color variation in goldfish?
A) Red
B) Orange
C) Green
D) White
  • 24. What should be considered when evaluating the quality of a goldfish?
A) Appetite only
B) Swimming speed only
C) Body shape, finnage, and color
D) Size only
  • 25. What type of mutation led to fancy goldfish breeds?
A) Genetic mutation
B) Selective breeding only
C) Environmental adaptation
D) Dietary changes
  • 26. How does water temperature impact goldfish activity?
A) Lower temperatures decrease activity.
B) Goldfish prefer extremely hot water
C) Lower temperatures increase activity.
D) Temperature has no impact.
  • 27. Which disease is common to goldfish, due to poor water quality?
A) Swim Bladder disorder
B) Fin Rot
C) Ich
D) Ammonia poisoning
  • 28. How do you sex most goldfish?
A) DNA testing
B) By looking at the shape of their anal fins
C) Observation of breeding tubercles on males during spawning season
D) By comparing their size - females are always larger
  • 29. What is the term for when goldfish change color?
A) Metachrosis
B) Pigment shifting
C) Color morphing
D) Chromatic adaptation
  • 30. What is the origin of goldfish as a domesticated species?
A) United States
B) China
C) Japan
D) Great Britain
Created with That Quiz — where test making and test taking are made easy for math and other subject areas.