1. I have eight limbs but I’m not a spider — who am I?
Answer: Octopus

2. I squirt a dark cloud to make a quick escape — what am I using?
Answer: Ink sac

3. I can change color in an instant — what do I use to do that?
Answer: Chromatophores

4. I have three pumps for blood, not just one — what are they called?
Answer: Three hearts

5. My blood is blue, not red — what pigment makes it so?
Answer: Hemocyanin

6. I taste with my arms thanks to tiny cups — what are those cups called?
Answer: Suckers

7. I jet away by forcing water through a tube — what is that tube called?
Answer: Siphon (funnel)

8. I hide from predators by copying rocks and sand — what skill is this?
Answer: Camouflage

9. I solved puzzles and opened jars in labs — what trait does that show?
Answer: Intelligence

10. I can regrow a lost limb — what is that ability named?
Answer: Regeneration

11. I have a sharp little mouthpiece under my arms — what is it called?
Answer: Beak

12. I look like a tiny umbrella and live deep — what am I?
Answer: Glass octopus

13. I mimic other animals to fool predators — what do you call that trick?
Answer: Mimicry

14. I carry my eggs and guard them until I die — what’s my life stage called?
Answer: Brooding

15. I hide in coconut shells and carry them as armor — which clever species am I?
Answer: Coconut octopus

16. I’m famous for bright blue rings that warn “stay away” — who am I?
Answer: Blue-ringed octopus

17. I live in kelp forests and reefs, hunting crabs — what habitat is this?
Answer: Coastal reef

18. I can flatten my body to slip through cracks — what body feature lets me do that?
Answer: Soft body

19. I was filmed escaping aquariums and unscrewing lids — what behavior is that?
Answer: Escape artistry

20. I carry a paper-thin shell sometimes and am called “argonaut” — what’s my other name?
Answer: Paper nautilus

21. I float near the seafloor with ear-like fins — which cute deep-sea kind am I?
Answer: Dumbo octopus

22. I’m huge and live in cold Pacific waters — who am I?
Answer: Giant Pacific octopus

23. I hunt at night and sleep by day — what term describes this habit?
Answer: Nocturnal

24. I can squeeze through a hole the size of my beak — what law explains that?
Answer: Flexible physiology

25. My skin can change texture with little bumps called papillae — what are they?
Answer: Papillae

26. I use a modified arm to deliver sperm to the female — what’s that arm called?
Answer: Hectocotylus

27. I’m related to squids and cuttlefish — what class am I in?
Answer: Cephalopod

28. I use scent and taste on my arms to find food — what sense is that?
Answer: Chemoreception

29. I move backward quickly by forcing water out — what locomotion is this?
Answer: Jet propulsion

30. I store shells and rocks to make a home — what do you call my shelter?
Answer: Den

31. I eat crabs by cracking their shells with a hard mouth — what mouthpart does that?
Answer: Beak (rephrased)

32. I’m tiny and live in shallow warm water, famous for copying many animals — who am I?
Answer: Mimic octopus

33. I can sense light even without moving my whole body — what organ helps me?
Answer: Eyes

34. I have clusters of neurons in each arm to process touch — what are those clusters called?
Answer: Ganglia

35. I can change color and reflect light with special cells called iridophores — what do they do?
Answer: Iridescence

36. I’m an octopus that lives in warm Indo-Pacific shallows and is very smart — who am I?
Answer: Common octopus

37. I often eat mollusks and drill holes through shells — what tool do I use?
Answer: Radula

38. I can camouflage in patterns like zebra stripes when threatened — what act is this?
Answer: Deimatic display

39. I have a short life, sometimes just a year — what term describes my lifespan?
Answer: Semelparous

40. I can learn by watching another octopus — what learning type is that?
Answer: Observational learning

41. I hunt with arms searching like a spider across the sand — what hunting style is this?
Answer: Foraging

42. I sometimes use rocks to block the entrance of my den — what behavior is this?
Answer: Tool use

43. I communicate with color flashes and arm postures — what is this form of chat?
Answer: Visual signaling

44. I have a mantle that houses my organs — what is that body part called?
Answer: Mantle

45. I’m named for looking like a haunting, spotted wonder — who am I?
Answer: Wunderpus

46. I can snap shut a shell using suction and force — what appendage does that?
Answer: Arm muscle

47. I make a living by opening jars and escaping boxes in tests — what skill is this called?
Answer: Problem solving

48. I have a centralized brain but much control in my arms — what kind of nervous system?
Answer: Distributed nervous system

49. I hide in plain sight by mimicking algae and coral — what survival trick is that?
Answer: Background matching

50. I sometimes display bright colors to warn predators I’m dangerous — what is that called?
Answer: Aposematism

51. I squirt ink that contains mucus and particles to blind attackers — what tactic is that?
Answer: Ink cloud

52. I can be found from tide pools to deep ocean trenches — what word covers my range?
Answer: Worldwide distribution

53. I use suction cups to hold prey but also to taste it — what dual use are they?
Answer: Mechanical and sensory

54. I can alter my skin pattern to show stripes, spots, or mottles — what command controls this?
Answer: Neural control

55. I breathe by taking water into my mantle over feather-like organs — what are those organs?
Answer: Gills

56. I’m small, transparent, and live in open ocean—my body glows sometimes — who am I?
Answer: Glass/octopod larvae (juvenile octopus)

57. I hunt hermit crabs and sometimes use their shells — what strategy is that?
Answer: Opportunistic predation

58. I sometimes carry objects to hide under and then sleep inside — what item do I use?
Answer: Coconut shell (specific coconut octopus behavior)

59. I flash colors to attract mates during courtship — what is that display called?
Answer: Mating display

60. I can detach an arm to distract a predator — what’s that act called?
Answer: Autotomy

61. I’m known to open clams by drilling a neat hole — what small tool do I use?
Answer: Radula (rephrased)

62. I’ve inspired biomimicry for soft robotics because of my flexible limbs — what field studies this?
Answer: Soft robotics

63. I’m a night hunter that often darts from a den to grab prey — what ambush style is this?
Answer: Sit-and-wait

64. I have a beak but no bones — what material is my beak made of?
Answer: Chitin

65. I protect my eggs for months without eating — what devoted act is this?
Answer: Maternal care

66. I produce venom in some species to paralyze prey — what do you call that substance?
Answer: Venom

67. I’ve been seen using shells like umbrellas — what smart behavior is that called?
Answer: Tool-assisted sheltering

68. I’m shaped like a bulb with arms trailing; people call me “sea potato” sometimes — what general body plan is this?
Answer: Sessile-looking octopus morphology

69. I have suckers that can grip with surprising strength — what measurement describes that?
Answer: Suction force

70. I can change mood with color—what system links my brain to color change?
Answer: Neural chromatophore control

71. I leave trails in the sand when I crawl across the seafloor — what creates those marks?
Answer: Arm movement

72. I’m sometimes harvested for food in Mediterranean cuisines — what common dish uses me?
Answer: Octopus salad

73. I can inflate my body to look bigger to scare enemies — what is that tactic?
Answer: Puffing (body inflation)

74. I’m an ancient creature known from fossils and myths — what group’s fossil record includes cephalopods?
Answer: Nautiloids/Ammonites (relatives)

75. I have short lifespans and invest everything in one reproductive event — what reproductive strategy is this?
Answer: Semelparity (rephrased)

76. I use camouflage so well I can erase my shadow — what advantage does this give?
Answer: Reduced detectability

77. I can taste with the surface of my arms even when the object is not in my mouth — what sense is that again?
Answer: Chemotactile sensing

78. I sometimes carry out complicated escapes by unscrewing tank lids — what specific ability is that?
Answer: Manual dexterity

79. I’m a tiny octopus species famous for sleeping in jars in tidepools — who am I?
Answer: Common intertidal octopus (e.g., Octopus vulgaris juvenile)

80. I use quick color flashes to startle predators — what flash tactic is this called?
Answer: Startle display

81. I’m adapted to cold, deep water with slow metabolism — what deep-sea octopus group fits this?
Answer: Deep-sea benthic octopods

82. I lay thousands of tiny eggs or a few large ones depending on species — what is this variation called?
Answer: Reproductive strategy diversity

83. I often have a mottled skin pattern matching rocks — what camouflage pattern is that?
Answer: Cryptic coloration

84. I have a mantle cavity that holds my gills and organs — what do I ventilate with water?
Answer: Mantle cavity ventilation

85. I sometimes arrange shells in a ring to trap prey — what hunting technique is that?
Answer: Luring/ambush with obstacles

86. I have a taste for crustaceans and mollusks — what’s my diet called?
Answer: Carnivorous

87. I can squeeze ink and mucus to make a decoy called a pseudomorph — what’s that used for?
Answer: False target

88. I sleep in dens I line with shells and stones — what is that den furnishing called?
Answer: Bedding

89. I have a rich fossil history in the cephalopod lineage — what extinct group is famous for coiled shells?
Answer: Ammonites

90. I can swim on demand but prefer crawling — what locomotion do I usually use?
Answer: Benthic crawling

91. I’m highly curious and will explore new objects in my tank — what personality trait is this?
Answer: Curiosity

92. I use color, posture, and texture to say “I’m ready to mate” — what combined set is that?
Answer: Courtship ritual

93. I have specialized cells that reflect light like mirrors — what are those cells called?
Answer: Iridophores

94. I once inspired myths about sea monsters with my large size and tentacles — what legendary creature was likely inspired by me?
Answer: Kraken

95. I can detach an arm and later regrow it; the separated arm sometimes still moves — what is that called again?
Answer: Autotomy (rephrased)

96. I hunt by feeling with my arms at night on sandy bottoms — what environment suits this?
Answer: Soft-sediment seafloor

97. I sometimes use shells as armor, tools, and even beds — what term best describes this behavior?
Answer: Tool use (rephrased)

98. I’m named for my ear-like fins and live in ocean depths — which group am I again?
Answer: Cirrate octopus (Dumbo-like)

99. I’m often solitary and only meet others to mate — what social pattern do I exhibit?
Answer: Solitary lifestyle

100. I’m clever, flexible, and full of surprises from head to arms — who am I in one word?
Answer: Cephalopod