Chinese Water Dragon - Test
  • 1. What is the scientific name of the Chinese Water Dragon?
A) Chameleo calyptratus
B) Varanus salvator
C) Physignathus cocincinus
D) Anolis carolinensis
  • 2. What do Chinese Water Dragons primarily eat in the wild?
A) Meat
B) Fruits and vegetables
C) Insects and small fish
D) Seeds
  • 3. What is the typical lifespan of a Chinese Water Dragon in captivity?
A) 10-15 years
B) Over 30 years
C) 20-25 years
D) 5-8 years
  • 4. What is the predominant color of a Chinese Water Dragon's body?
A) Green
B) Red
C) Blue
D) Brown
  • 5. How do Chinese Water Dragons shed their skin?
A) By molting
B) In pieces
C) All at once
D) Not at all
  • 6. Which of the following is a common health issue in Chinese Water Dragons?
A) Heart attack
B) Vision loss
C) Metabolic bone disease
D) Respiratory infection
  • 7. Which of the following is a sign of a healthy Chinese Water Dragon?
A) Clear eyes
B) Lethargy
C) Overgrown claws
D) Dull scales
  • 8. How many toes do Chinese Water Dragons have on each foot?
A) 3
B) 4
C) 5
D) 6
  • 9. What should be included in a Chinese Water Dragon's diet to prevent nutritional deficiencies?
A) Vegetables only
B) Just fruits
C) Variety of insects and greens
D) High protein only
  • 10. What is a potential consequence of improper humidity levels for Chinese Water Dragons?
A) Brighter coloration
B) Respiratory problems
C) Increased appetite
D) Fast growth
  • 11. What are some common names for Physignathus cocincinus?
A) Australian water lizard
B) Chinese water dragon
C) Thai forest gecko
D) Vietnamese tree snake
  • 12. How are Chinese water dragons adapted for their environment?
A) They are semi-arboreal, roosting at night on branches overlooking streams.
B) They burrow underground to escape predators.
C) They live exclusively on the forest floor.
D) They swim in open oceans.
  • 13. What is a primary source of food for Chinese water dragons?
A) Arthropods
B) Mammals
C) Fish
D) Fruits and berries
  • 14. How do female Chinese water dragons typically reproduce?
A) Through external fertilization
B) By laying unfertilized eggs
C) Sexually
D) Asexually through budding
  • 15. What is a known method of reproduction in captive Chinese water dragons?
A) Spore formation
B) Binary fission
C) Parthenogenesis
D) Fragmentation
  • 16. Which lizard is anatomically and ecologically similar to Physignathus cocincinus?
A) The Australian water dragon (Intellagama lesueurii)
B) The Komodo dragon
C) The chameleon
D) The green iguana
  • 17. Why are Chinese water dragons sold as pets?
A) Due to their charismatic appearance.
B) Because they are easy to breed in captivity
C) They have medicinal properties
D) They can mimic human speech
  • 18. What is another threat to Chinese water dragons besides overharvesting?
A) Increased predation by domestic animals
B) Competition with invasive plant species
C) Pollution from industrial waste
D) Habitat loss due to conversion into cropland or illegal logging.
  • 19. What is the conservation status of Chinese water dragons?
A) Extinct in the Wild
B) Endangered
C) Least Concern
D) Vulnerable
  • 20. Who first described the species and genus Physignathus cocincinus?
A) Charles Darwin
B) Carl Linnaeus
C) Gregor Mendel
D) Georges Cuvier
  • 21. What is the average number of live Chinese water dragons exported annually to the European Union from 2010 to 2018?
A) Around 15,000
B) Around 10,000
C) Around 7,000
D) Around 5,000
  • 22. What is the behavior of captive male water dragons towards each other?
A) Very tolerant
B) Very aggressive
C) Friendly
D) Indifferent
  • 23. What percentage decline did the species experience in Cambodia over 18 years?
A) 30%
B) 20%
C) 40%
D) 50%
  • 24. What was the estimated decline rate for the species as a whole every 18 years based on given estimates?
A) 30%
B) 20%
C) 40%
D) 50%
  • 25. Which gender of Chinese water dragons is more territorial?
A) Males
B) Females
C) Both equally
D) Juveniles
  • 26. What feature is absent in Chinese water dragons unlike anoles and iguanas?
A) Femoral pores
B) Dewlap
C) Enlarged scales
D) Tympanum
  • 27. Where is the Chinese water dragon exceedingly rare despite its name?
A) Cambodia
B) Vietnam
C) Laos
D) China
  • 28. What is the maximum weight of male Chinese water dragons?
A) 0.8 kg
B) 0.4 kg
C) 0.6 kg (1.3 lbs)
D) 1 kg
  • 29. What was the original spelling error for Physignathus cocincinus?
A) 'Physignathus cochinensis'
B) 'Physignatus cocincinus'
C) 'Phyhignat,us cocincinus'
D) 'Physhignathus cocincinus'
  • 30. Where was the first reported introduced population of Chinese water dragons in Hong Kong?
A) Lantau Island
B) Kowloon Peninsula
C) Tsing Yi Island
D) Hong Kong Island
  • 31. Which district experiences less population decline of water dragons due to lesser habitat pressures?
A) Nam Dong district
B) Thua Thien Hue district
C) A Luoi district
D) Phong Dien district
  • 32. What is the average humidity level suitable for Chinese water dragons?
A) 40–80%
B) 20–50%
C) 50–70%
D) 30–60%
  • 33. When did exports of Chinese water dragons to Europe begin?
A) 1980
B) 2000
C) 1990
D) 1975
  • 34. In which city in Taiwan has a breeding population of Chinese water dragons been established since 2010?
A) Taipei City
B) Taichung City
C) New Taipei City
D) Kaohsiung City
  • 35. Where are water dragon skins and leather traded?
A) Exported
B) Only sold locally
C) Used exclusively for traditional medicine
D) Disposed of as waste
  • 36. In which month were juveniles most common in Thua Thien Hue?
A) August
B) July
C) April
D) June
  • 37. By what percentage is the entire Vietnamese population estimated to have declined over a decade as of 2007?
A) 20%
B) 30%
C) 50%
D) 10%
  • 38. What is the maximum total length that male Chinese water dragons can grow to?
A) 70 cm
B) 120 cm
C) 90 cm (3.0 ft)
D) 100 cm
  • 39. What is the conservation status of the Chinese water dragon in Thailand?
A) Vulnerable
B) Endangered
C) Least Concern
D) Critically Endangered
  • 40. How long can the tail of a Chinese water dragon be in relation to its total body length?
A) 50% or less
B) 80%
C) Exceeding 70%
D) 60%
  • 41. What is the origin of the epithet 'cocincinus'?
A) It comes from the French term Cocincine, for Cochin-china (Vietnam).
B) It was named after a famous herpetologist.
C) It refers to a region in Australia.
D) It is derived from a Latin word meaning 'green lizard'.
  • 42. What happened to other species that were once placed in the genus Physignathus?
A) They became extinct.
B) They have been reclassified into separate genera.
C) They evolved into new species.
D) They remained unchanged.
  • 43. In which year was the Chinese water dragon listed on CITES Appendix II?
A) 2020
B) 2022
C) 2023
D) 2017
  • 44. What proportion of the population do adults make up in disturbed areas of Northern Vietnam?
A) Half
B) All
C) As much as a third
D) Less than 10%
  • 45. What percentage of Chinese water dragons exported to the European Union came from Vietnam between 2010 and 2018?
A) 100%
B) 50%
C) Approximately 89%
D) 75%
  • 46. Is Physignathus cocincinus the only agamid known to reproduce via parthenogenesis?
A) It's a common trait
B) Yes
C) No, many do
D) Only in captivity
  • 47. Is there direct evidence that captive breeding programs for Chinese water dragons are operational in Vietnam?
A) No
B) They exist but are not effective.
C) Only partially, with some documentation.
D) Yes, they are widely documented.
  • 48. What type of areas do Chinese water dragons avoid?
A) Urban parks
B) Streams
C) Orchards
D) Forests
  • 49. What threatens Chinese water dragons in China?
A) Dam construction
B) Urban development only
C) Predation by large mammals
D) Disease outbreaks
  • 50. What type of diet do Chinese water dragons have?
A) Carnivorous
B) Herbivorous
C) Insectivorous
D) Omnivorous
  • 51. What is the average territory size of Chinese water dragons in Hong Kong?
A) About 3000 m²
B) About 2500 m²
C) About 1800 m²
D) About 1000 m²
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