Octopus and Squid Trivia Questions
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Study of cephalopods. Play Octopus and Squid trivia solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play.
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Sample Octopus and Squid Questions
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This is the scientific study of cephalopods such as squid, octopus, and cuttlefish.
- Ichthyology
- Malacology
- Teuthology
- Cetology
Squid, octopus, and nautilus all belong to this class of mollusks, named for the "feet" on their heads.
- Gastropoda
- Cephalopoda
- Bivalvia
- Scaphopoda
This dark liquid is famously ejected by octopuses and squid as a defense mechanism to escape predators.
- Mucus
- Venom
- Slime
- Ink
Unlike octopuses which have eight arms, squid have eight arms plus these two additional longer appendages.
- Fins
- Antennae
- Tentacles
- Claws
This is the only part of an octopus's body that is rigid and cannot change shape.
- Beak
- Eyes
- Brain
- Heart
This cephalopod is the only one still living that has an external spiral shell.
- Cuttlefish
- Nautilus
- Giant squid
- Blue-ringed octopus
Cephalopods have this copper-based pigment in their blood instead of hemoglobin, giving their blood a distinctive color.
- Chlorophyll
- Carotene
- Hemocyanin
- Myoglobin
This body part of a cuttlefish, made of aragonite, is often given to pet birds as a calcium supplement.
- Cuttlefish fin
- Cuttlefish beak
- Cuttlefish ink
- Cuttlebone
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