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