Frostblue Sunfish
1★ core
Copperband Butterflyfish ×1
1★ support
- Moonhorn Tang ×3
- Neon Cleaner Wrasse ×3
- Mossback Otocinclus ×3
2★–5★ rule
Use the previous-star Frostblue Sunfish ×1, plus each support fish ×3 at the target star level.
Season 1 is live now and ends October 4, 2026 at 23:59 UTC. Check Seasonal Fish merge ingredients and star requirements for Frostblue Sunfish, Limeback Sea Turtle, and Matsuri Octopus.
Live now - ends October 4, 2026 at 23:59 UTC
Season 1 is live now and ends October 4, 2026 at 23:59 UTC. The available Seasonal Fish are Frostblue Sunfish, Limeback Sea Turtle, Matsuri Octopus. The official announcement names 3 Seasonal Fish recipes and 12 ingredient species.
For each 1★ Seasonal Fish, save one listed core fish and three copies of each listed support fish, all at 1★. For 2★-5★ upgrades, use the previous-star Seasonal Fish plus the same support species at the target star level.
Live timing
Season 1 is live now. The event ends October 4, 2026 at 23:59 UTC; after that, these Seasonal Fish move to a trading-only acquisition route.
Official listing reviewed 2026-09-05.
1★ core
Copperband Butterflyfish ×1
1★ support
2★–5★ rule
Use the previous-star Frostblue Sunfish ×1, plus each support fish ×3 at the target star level.
1★ core
Blushing Firefish ×1
1★ support
2★–5★ rule
Use the previous-star Limeback Sea Turtle ×1, plus each support fish ×3 at the target star level.
1★ core
Golden Moorish Idol ×1
1★ support
2★–5★ rule
Use the previous-star Matsuri Octopus ×1, plus each support fish ×3 at the target star level.
Seasonal Fish can only be made through their specified season synthesis. They cannot come from breeding or regular synthesis. After the season ends, trading is the only acquisition route.
Bluebolt Tuna and Sunburst Ranchu arrive with the update, but are regular fish and remain obtainable after Season 1.
Verified against the official announcement on 2026-09-05.