Species #3,455 of 42,840
Acanthodiscus ferruginea
Acanthodiscus ferruginea furcidentata is a species of alien fish in Fish of Ganymede: a deep with a spiky dorsal fin, Rust Vent colouring, a fork tail and a fanged mouth. It lives in hadal trenches, 25 km to 60 km under Ganymede’s ice. It was first found by kok on 2 November 2026.
At a glance
| Body plan | Deep |
|---|---|
| Dorsal fin | Spiky |
| Colouring | Rust Vent |
| Tail | Fork |
| Mouth | Fanged |
| Home depth | Hadal trenches (25 km–60 km), diving level 28 |
| Diet | Carnivore |
| First fish’s rarity | Uncommon |
| First found | 2 November 2026 by kok |
| Players who have found it | 1 |
| Swimming today | 1 fish |
What the name means
Acanthodiscus ferruginea means roughly “rust-coloured spine-disc”: from acantho- (spine) and discus (disc), and ferruginea (rust-coloured). Every species name is built from its genes: the dorsal fin and body plan give the genus, the colouring gives the species name, and the tail and mouth the last word.
How to find one
Dive to hadal trenches (it opens at diving level 28) and look for a deep with Rust Vent colouring, or breed for it: you need all five of its traits to show at once, and some of them may be recessive, hidden in a parent’s second gene copy. The breeding screen shows the exact odds. See how fish genetics work.