Tuna Fish - Quiz
  • 1. What is the scientific name for tuna fish?
A) Oncorhynchus
B) Salmo
C) Scombridae
D) Thunnus
  • 2. Which of the following species of tuna is known for its high speeds and agility?
A) Albacore tuna
B) Bluefin tuna
C) Skipjack tuna
D) Yellowfin tuna
  • 3. What is the primary source of food for most tuna species?
A) Krill
B) Fish
C) Plankton
D) Seaweed
  • 4. Which ocean is known for having the largest population of tuna?
A) Indian Ocean
B) Atlantic Ocean
C) Pacific Ocean
D) Southern Ocean
  • 5. What gives certain tuna species their distinctive pink or red flesh color?
A) Chlorophyll
B) Carotene
C) Myoglobin
D) Hemoglobin
  • 6. Which part of the world is known for consuming the most tuna per capita?
A) United States
B) Japan
C) Italy
D) Australia
  • 7. Tuna is a good source of which nutrient?
A) Omega-3 fatty acids
B) Vitamin C
C) Calcium
D) Iron
  • 8. Which type of tuna is commonly used in making sushi?
A) Skipjack tuna
B) Albacore tuna
C) Bluefin tuna
D) Yellowfin tuna
  • 9. Tuna fishing can sometimes result in the accidental capture of what marine animals?
A) Dolphins
B) Sea turtles
C) Seals
D) Sharks
  • 10. What is the name of the method used to catch tuna in schools by encircling them with a large net?
A) Purse seining
B) Longlining
C) Trolling
D) Trawling
  • 11. What species of tuna is commonly used in canned tuna?
A) Albacore
B) Yellowfin
C) Skipjack
D) Bluefin
  • 12. What is the term for removing excess salt from salted tuna slices under running water?
A) Deicing
B) Degreasing
C) Desalting
D) Decomposing
  • 13. Which country is the largest producer of canned tuna?
A) Thailand
B) United States
C) Philippines
D) Spain
  • 14. What is the general term for a young tuna?
A) Juvenile
B) Teen
C) Kid
D) Cub
  • 15. What is the habitat of most tuna species in the wild?
A) Coral reefs
B) Estuaries
C) Open ocean
D) Deep sea trenches
  • 16. What is the substance found in higher concentrations in the flesh of larger tuna that can build up in human tissues?
A) Mercury
B) Lead
C) Arsenic
D) Cadmium
  • 17. Tuna belong to which family of fish?
A) Clupeidae
B) Carcharhinidae
C) Scombridae
D) Salmonidae
  • 18. What is the term for the process of draining and preserving tuna meat in cans?
A) Freezing
B) Pickling
C) Drying
D) Canning
  • 19. What is the popular French term for canned tuna?
A) Crabe
B) Poisson
C) Saumon
D) Thon
  • 20. What is the Japanese term for raw tuna slices often served in sushi?
A) Miso
B) Maguro
C) Tempura
D) Sashimi
  • 21. Which cooking method is commonly used for tuna steaks?
A) Boiling
B) Microwaving
C) Deep frying
D) Grilling
  • 22. How many species are there in the tribe Thunnini?
A) 10
B) 25
C) 15
D) 20
  • 23. What is the maximum length of an Atlantic bluefin tuna?
A) 4.6 m (15 ft)
B) 3.5 m (11.5 ft)
C) 6.0 m (19.7 ft)
D) 5.5 m (18 ft)
  • 24. What is the maximum weight of an Atlantic bluefin tuna?
A) 500 kg (1,102 lb)
B) 684 kg (1,508 lb)
C) 900 kg (1,984 lb)
D) 800 kg (1,764 lb)
  • 25. What is the maximum speed of a yellowfin tuna?
A) 80 km/h (50 mph)
B) 75 km/h (47 mph)
C) 90 km/h (56 mph)
D) 60 km/h (37 mph)
  • 26. What is the term 'tuna' derived from?
A) Latin piscis
B) French thon
C) Andalusian Arabic at-tūn
D) Greek thýnnos
  • 27. What is a dated alternative term for tuna?
A) Thunnus
B) Tunny
C) Scomber
D) Pelagic
  • 28. In Japan, what does 'shī chikin' mean?
A) Ocean bird
B) Marine hen
C) Fish steak
D) Sea chicken
  • 29. Which genus includes the skipjack tunas?
A) Auxis
B) Allothunnus
C) Katsuwonus
D) Euthynnus
  • 30. What is the maximum length of a bullet tuna?
A) 50 cm (1.6 ft)
B) 60 cm (1.9 ft)
C) 70 cm (2.3 ft)
D) 80 cm (2.6 ft)
  • 31. What is the maximum weight of a bullet tuna?
A) 3.5 kg (7.7 lb)
B) 1.8 kg (4 lb)
C) 4.0 kg (8.8 lb)
D) 2.5 kg (5.5 lb)
  • 32. What does the Greek word 'thýnō' mean?
A) To swim slowly
B) To dive deep
C) To float gently
D) To rush, dart along
  • 33. What is the average length of an Atlantic bluefin tuna?
A) 2.5 m (8.2 ft)
B) 2 m (6.6 ft)
C) 1.5 m (4.9 ft)
D) 3 m (9.8 ft)
  • 34. What is the maximum lifespan of an Atlantic bluefin tuna?
A) 40 years
B) 60 years
C) 30 years
D) 50 years
  • 35. How many species were originally thought to belong to the genus Thunnus?
A) Ten
B) Nine
C) Five
D) Seven
  • 36. In which year did Collette establish that Atlantic bluefin tuna and Pacific bluefin tuna are distinct species?
A) 1987
B) 2005
C) 2010
D) 1999
  • 37. What is a distinctive feature of a tuna's dorsal fins?
A) Both fins are fixed and cannot move.
B) There is only one dorsal fin with no separation.
C) The first fin is depressible and can be laid down in a groove.
D) The fins are retractable like the pelvic fins.
  • 38. What shape is a tuna's tail described as?
A) Rectangular
B) Lunate (curved like a crescent moon)
C) Triangular
D) Square
  • 39. Where are a tuna's pelvic fins located in relation to its pectoral fins?
A) Above the base of the pectoral fins.
B) Behind the pectoral fins.
C) At the same level as the pectoral fins.
D) Below the base of the pectoral fins.
  • 40. What type of camouflage does a tuna's body exhibit?
A) Disruptive coloration
B) Camouflage with patterns
C) Mimicry
D) Countershading
  • 41. How is the dorsal side of a tuna generally described?
A) Metallic dark blue
B) Bright red
C) Green
D) Brown
  • 42. What feature does the caudal peduncle have to aid in stabilization?
A) Two vertical fins
B) Three stabilizing horizontal keels on each side.
C) No special features for stabilization.
D) A single central fin
  • 43. What is the typical temperature range for bluefin tuna's core body?
A) 35–40 °C (95–104 °F)
B) 25–33 °C (77–91 °F)
C) 10–14 °C (50–57 °F)
D) 15–20 °C (59–68 °F)
  • 44. How do tunas maintain endothermy?
A) By conserving heat generated through normal metabolism
B) Through a high metabolic rate that generates constant body heat
C) Using external sources of warmth from the sun
D) By maintaining temperature within a narrow range like mammals
  • 45. Which organization compiled a detailed scientific report on global tuna stocks in 2009?
A) International Seafood Sustainability Foundation (ISSF)
B) National Oceanic and Atmospheric Administration
C) United Nations Food and Agriculture Organization
D) World Wildlife Fund
  • 46. What fishing gear is predominant for catching tuna?
A) Purse-seine nets
B) Trawls
C) Longline
D) Gillnets
  • 47. What percentage of the world's tuna catch is made up by skipjack?
A) 60 percent
B) 50 percent
C) 70 percent
D) 40 percent
  • 48. In which year did the opening auction price for bluefin tuna plummet to less than 5% of the previous year's price?
A) 2014
B) 2011
C) 2013
D) 2012
  • 49. Where was a record-setting 881 lb tuna caught in November 2011?
A) Massachusetts
B) Florida
C) Maine
D) California
  • 50. How much did the 881 lb tuna sell for due to its deteriorated condition?
A) Just under $5,000
B) $10,000
C) $3,000
D) $7,500
  • 51. Which technique for catching Atlantic bluefin tuna involves a maze of nets and is still used today in several countries?
A) Almadraba
B) Longline fishing
C) Harpoon gun
D) Purse seines
  • 52. What is the name of the method similar to Almadraba used in Sicily?
A) Almadraque
B) Tonnara
C) Balestrina
D) Panzarana
  • 53. What is the term used for catching larger specimens of tuna that are known for putting up a fight?
A) Tuna ranching
B) Fish aggregating device
C) Pole and line
D) Big game fishing
  • 54. What method do commercial fishing vessels use to attract tuna by exploiting their association with dolphins?
A) Using fish aggregation devices (FADs)
B) Pole and line
C) Searching for dolphin pods
D) Tuna ranching
  • 55. Which organization monitors government regulations for dolphin-friendly fishing methods?
A) Greenpeace
B) NOAA
C) Oceana
D) WWF
  • 56. Which country approved permits for the first U.S. offshore farming of bigeye tuna?
A) Australia
B) Hawaiʻi
C) Spain
D) Japan
  • 57. In which year did Japan complete the third generation of farm-hatched bluefin tuna?
A) 1999
B) 2007
C) 2005
D) 2010
  • 58. Which magazine awarded Clean Seas the second place for World's Best Invention in 2009?
A) National Geographic
B) Scientific American
C) Nature
D) Time
  • 59. What is the international standard maximum histamine level in canned tuna?
A) 100 milligrams per kilogram
B) 500 milligrams per kilogram
C) 300 milligrams per kilogram
D) 200 milligrams per kilogram
  • 60. What type of tuna is legally sold as 'white meat' in the United States?
A) Albacore
B) Skipjack
C) Yellowfin
D) Bluefin
  • 61. Which part of the bluefin tuna is used for Ventresca tuna?
A) Belly
B) Tail
C) Back fin
D) Head
  • 62. In which decade did canned tuna become more plentiful in the United States?
A) Early 1930s
B) Late 1940s
C) Mid-1950s
D) Early 1960s
  • 63. What type of meat does the dark lateral blood meat from tuna often become?
A) Pet food (cat or dog)
B) Human consumption
C) Animal feed for livestock
D) Fish oil supplements
  • 64. Which country was the first to produce canned tuna in 1903?
A) Japan
B) United States
C) Spain
D) Australia
  • 65. What percentage of protein does canned light tuna in oil contain?
A) 15%
B) 29%
C) 20%
D) 35%
  • 66. Which nutrient is not present in canned light tuna in oil?
A) Protein
B) Carbohydrates
C) Vitamin D
D) Phosphorus
  • 67. Which organization called for improved warnings about mercury in tuna?
A) Consumers Union
B) Food and Drug Administration
C) Environmental Protection Agency
D) American Medical Association
  • 68. What is the relationship between lipid content and mercury distribution in farmed tuna?
A) Inversely related
B) Equal concentration
C) Directly proportional
D) No relation
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