Species #571 of 42,840

Histioichthys aurea

The first Histioichthys aurea ever found, swimming live. Its hidden genes stay hidden.

Histioichthys aurea xiphiparva is a species of alien fish in Fish of Ganymede: a torpedo with a sail dorsal fin, Brine Gold colouring, a sword tail and a small mouth. It lives in twilight drift, 300 m to 2 km under Ganymede’s ice. It was first found by Ganymede Traders on 5 November 2026.

At a glance

Body planTorpedo
Dorsal finSail
ColouringBrine Gold
TailSword
MouthSmall
Home depthTwilight drift (300 m–2 km), diving level 4
DietHerbivore
First fish’s rarityUncommon
First found5 November 2026 by Ganymede Traders
Players who have found it2
Swimming today1 fish

What the name means

Histioichthys aurea means roughly “golden sail-fish”: from histio- (sail) and ichthys (fish), and aurea (golden). 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 twilight drift (it opens at diving level 4) and look for a torpedo with Brine Gold 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.

All species found so far