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Threadfin catfish - Quiz
Threadfin catfish
  • 1. What is another common name for the threadfin catfish?
A) Copper catfish
B) Silver catfish
C) Spotted catfish
D) Golden catfish
  • 2. What is the scientific name of the threadfin catfish?
A) Arius australis
B) Nemapteryx vis
C) Arius armiger
D) Nemapteryx armiger
  • 3. Which family does the threadfin catfish belong to?
A) Siluridae
B) Ictaluridae
C) Ariidae
D) Pimelodidae
  • 4. Who described the threadfin catfish in 1884?
A) Carl Linnaeus
B) Charles Darwin
C) Charles Walter De Vis
D) Alexander von Humboldt
  • 5. Under which genus was the threadfin catfish originally described?
A) Galeichthys
B) Nemapteryx
C) Arius
D) Poutia
  • 6. In which two countries is the threadfin catfish found?
A) Australia and Indonesia
B) Australia and New Guinea
C) Indonesia and New Guinea
D) Australia and New Zealand
  • 7. What is the maximum standard length of the threadfin catfish?
A) 45.0 cm
B) 25.5 cm
C) 39.5 cm
D) 15.6 cm
  • 8. What kind of water environments does the threadfin catfish inhabit?
A) Rivers and marine waters
B) Deep ocean trenches
C) Lakes and ponds
D) Freshwater streams only
  • 9. What is an alternative common name for the threadfin catfish besides copper catfish?
A) Copper shark
B) Northern pout
C) Southern pout
D) Threadfin snapper
  • 10. Which of the following does the threadfin catfish eat?
A) Plankton
B) Benthic crustaceans
C) Aquatic plants
D) Surface insects
  • 11. Which specific types of crustaceans are mentioned in the diet of the threadfin catfish?
A) Shrimp and barnacles
B) Lobsters and krill
C) Crayfish and copepods
D) Prawns and crabs
  • 12. Besides crustaceans, what else does the threadfin catfish consume?
A) Worms, mollusks and finfish
B) Amphibians and reptiles
C) Algae and seaweed
D) Dead organic matter only
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