| Issue | #40 |
| Published | July-August 1968 |
| Cover Price | 0.12 |
| Pages | 36 |
| Editing | Dick Giordano |
| Notes | First Jim Aparo issue. |
| Characters | Aquaman; Aqualad; Mera |
| Genre | superhero |
| Pencils | Nick Cardy (signed) |
| Inks | Nick Cardy (signed) |
| Notes | First Jim Aparo issue. |
| Characters | Aquaman; Aqualad; Mera; Aquagirl; Aquababy; Vulko; The Sea Sorcerers (villains) |
| Genre | superhero |
| Script | Steve Skeates |
| Pencils | Jim Aparo |
| Inks | Jim Aparo |
| Notes | Mera kidnapped, multi-issue quest for Mera begins. Story continues in Aquaman #41. |
| Reprinted | in Adventure Comics (DC, 1938 series) #491 (September 1982) |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |