| Label: | Reprise Records PRO16019 |
| Genre: | Rock |
| Style: | Prog Rock, Heavy Metal |
| Format: | CD (Single , Promo , Mispress) |
| 1 | The Wolf Is Loose (Album Version) | 3:34 |
| 2 | Capillarian Crest (Single Version) | 4:22 |
| 3 | Crystal Skull (Album Version) | 3:25 |
| Label: | Reprise Records PRO16094 |
| Genre: | Rock |
| Style: | Prog Rock, Heavy Metal |
| Format: | CD (Single , Promo) |
| 1 | The Wolf Is Loose | 3:36 |
| Label: | Reprise Records 9362 43080 0 |
| Genre: | Rock |
| Style: | Prog Rock, Heavy Metal |
| Format: | Vinyl (12" , Single , Picture Disc , 45 RPM) |
| A | The Wolf Is Loose | |
| B | Capillarian Crest [Live] |
| Label: | Reprise Records 9362 43083 2 |
| Genre: | Rock |
| Style: | Prog Rock, Heavy Metal |
| Format: | CD (Single , Enhanced) |
| 1 | The Wolf Is Loose » Mixed By: Rich Costey » Producer: Mastodon, Matt Bayles | 3:38 |
| 2 | Capillarian Crest (Live) » Engineer [Additional Engineering & Pro Tools]: Anthony Catalano » Mixed By, Producer: Guy Charbonneau » Recorded By [Audio]: Ian Charbonneau | 4:25 |
| Video | The Wolf Is Loose » Film Director: Jonathan Rej, Tom Bingham | 3:38 |
| Label: | Reprise Records 5439 15579 2 |
| Genre: | Rock |
| Style: | Prog Rock, Heavy Metal |
| Format: | CD (Single) |
| 1 | The Wolf Is Loose » Mixed By: Rich Costey » Producer: Mastodon, Matt Bayles | 3:37 |
| 2 | Circle Of Cysquatch (Live) » Engineer [Additional Engineering & Pro Tools]: Anthony Catalano » Mixed By: Josh Abraham » Recorded By [Audio]: Ian Charbonneau | 3:17 |