Guessing QuizzesAnimals

Guess 20 Decapod Crustaceans From Animal Definition Clues

Use source-backed clues to identify 20 Decapod Crustaceans answers. Compare four plausible choices and reveal a concise explanation after every question.

20 questionsChallenging6–8 min

Animals20 questions · one page

QuizMora Editorial TeamPublished August 30, 2026 · Updated August 30, 2026

Work through 20 mobile-friendly clues focused only on Decapod Crustaceans. The reasoning task changes throughout the quiz, while every answer and explanation stays tied to the cited source.

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20 QuestionsAnimals Quiz

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Question 1 of 20AnimalsDefinition clue: crab of eastern coast of North America Which term fits?

Alobster Bprawn Crock crab Dhard-shell crab

Question 2 of 20AnimalsTwo clues—swimming crab: bluish edible crab of Atlantic and Gulf Coasts of North America Name the answer.

Asoft-shell crab Bcrayfish CNorway lobster Dblue crab

Question 3 of 20AnimalsSource card: tiny soft-bodied crab living within the mantle cavity of oysters; grouped under pea Which entry?

Aoyster crab Bswimming crab Crock crab Dspiny lobster

Question 4 of 20AnimalsWithin Decapod Crustaceans: small freshwater decapod crustacean that resembles a lobster Which option belongs?

Aswimming crab Bsnapping shrimp Csoft-shell crab Dcrayfish

Question 5 of 20AnimalsRepair the missing label: burrowing crab of American coastal regions having one claw much enlarged… Choose it.

Afiddler crab Bprawn Cblue crab Dhard-shell crab

Question 6 of 20AnimalsComplete this pair: crab → tiny soft-bodied crab living commensally in the mantles of certain Which term?

ACape lobster Bpea crab Cfiddler crab Dsnapping shrimp

Question 7 of 20AnimalsEliminate the broad labels: small lobster of southern Africa What remains?

ANorway lobster Bpea crab CCape lobster Dshrimp

Question 8 of 20AnimalsFollow the category path: lobster; large edible marine crustaceans having large pincers on the Name the entry.

Asnapping shrimp Btropical prawn Ctrue lobster Doyster crab

Question 9 of 20AnimalsApply both constraints: decapod crustacean and “any of several edible marine crustaceans of the Which answer?

Alobster Bfiddler crab Cprawn Dtrue lobster

Question 10 of 20AnimalsCombine the evidence: large edible marine crustacean having a spiny carapace but lacking the…; What fits?

Atropical prawn BNorway lobster Cblue crab Dspiny lobster

Question 11 of 20AnimalsDefinition clue: marine crab with some legs flattened and fringed for swimming Which term fits?

Ashrimp Bswimming crab CDungeness crab Dtropical prawn

Question 12 of 20AnimalsTwo clues—crab: small edible crab of Pacific coast of North America Name the answer.

Acrayfish BDungeness crab Ctropical prawn DAmerican lobster

Question 13 of 20AnimalsSource card: edible European lobster resembling the American lobster but slenderer; grouped under Which entry?

AAmerican lobster BNorway lobster Cspiny lobster Dcrayfish

Question 14 of 20AnimalsWithin Decapod Crustaceans: edible tropical and warm-water prawn Which option belongs?

Asoft-shell crab Bswimming crab Ctropical prawn Dsnapping shrimp

Question 15 of 20AnimalsRepair the missing label: small slender-bodied chiefly marine decapod crustaceans with a long tail… Choose it.

Ashrimp Bblue crab Coyster crab DDungeness crab

Question 16 of 20AnimalsComplete this pair: decapod crustacean → shrimp-like decapod crustacean having two pairs of Which term?

Aspiny lobster Boyster crab CAmerican lobster Dprawn

Question 17 of 20AnimalsEliminate the broad labels: edible crab that has recently molted and not yet formed its new What remains?

Aspiny lobster Bhard-shell crab Csoft-shell crab DAmerican lobster

Question 18 of 20AnimalsFollow the category path: shrimp; small shrimp that makes a snapping noise with one of their Name the entry.

Asnapping shrimp BDungeness crab Crock crab Doyster crab

Question 19 of 20AnimalsApply both constraints: crab and “edible crab that has not recently molted and so has a hard Which answer?

Acrayfish Bhard-shell crab Clobster Dpea crab

Question 20 of 20AnimalsCombine the evidence: lobster of Atlantic coast of America; category true lobster. What fits?

Aprawn Btrue lobster Cswimming crab DAmerican lobster

Complete all 20 questions to unlock your result.