| 2025-07-09 | Squids' kin |
| 2025-06-19 | Some aquarium attractions ... or an instruction for answering 30-Across |
| 2024-07-31 | Ocean creatures with three hearts |
| 2024-05-19 | Masters of underwater camouflage |
| 2024-01-09 | Ocean creatures with nearly triple the neural wiring of humans |
| 2023-04-21 | They're armed to the gills |
| 2021-03-21 | Forms of some mythological sea creatures |
| 2020-12-07 | Tentacled sea creatures |
| 2019-08-18 | Sea creatures that may employ camouflage when hunting |
| 2019-07-25 | Aquarium attractions |
| 2018-07-15 | Color-changing creatures |
| 2017-02-26 | Sea creatures with remarkably high I.Q.s |
| 2015-12-29 | Cousins of squids |
| 2015-08-23 | Sea creatures with beaks |
| 2014-03-23 | Ones without a leg to stand on? |
| 2014-02-02 | Army threats? |
| 2013-09-18 | Highly intelligent invertebrates |
| 2013-01-27 | Ink holders |
| 2012-09-27 | Exotic aquarium specimens |
| 2012-09-15 | Experts at jet propulsion |
| 2012-06-13 | Prey for moray eels |
| 2011-07-11 | Eight-armed creatures |
| 2011-07-08 | Ink jet producers? |
| 2009-11-07 | Well-armed predators? |
| 2008-10-31 | They have many suction cups |
| 2005-09-17 | Moray eel victims |
| 2002-10-02 | Squids' kin |
| 2002-06-01 | They may be taken for suckers |
| 2002-04-29 | Eight-armed creatures |
| 2000-05-05 | Ink sources |
| 1999-12-05 | Ink producers |
| 1999-10-18 | Squids' relatives |
| 1996-11-08 | Army threats? |
| 1996-09-06 | Some mollusks |
| 1994-12-15 | Tentacled mollusks |
| 1994-03-31 | Sushi bar selection |