Chambered Nautilus
Shell · 5-star rarity · Sells for 165 Gold
How to get: Ocean Cleanup
Ocean Cleanup Lv 7It will not appear before then, whatever the place, hour or weather.
Found from 18:00 to 12:00.
Where and when
| Kind | Shell |
| Availability | Always available |
| Time | 18:00–12:00 |
| Weather | SunnyRainyRainbow |
Star grades
Chambered Nautilus comes in star grades, and a higher grade sells for more.
| Grade | Sells for |
|---|---|
| ★☆☆☆☆ Dull | 165 |
| ★★☆☆☆ Ordinary | 330 |
| ★★★☆☆ Clear | 495 |
| ★★★★☆ Rare | 660 |
| ★★★★★ Superb | 1,650 |
Certificate
Collecting Chambered Nautilus counts toward the Beginner Seashell Collector certificate, one of 5 things that do. The ranks are Beginner Seashell Collector, Apprentice Seashell Collector, Expert Seashell Collector, Master Seashell Collector, with 15 points to reach the second. Collecting one pays 
Certified Mark (Golden Cowrie).
Description
| Encyclopedia | The spiral inside the shell follows what mathematicians call the "golden ratio"—a design that hasn't changed since the Solar Era. |
Name in every language
| 简体中文 | 鹦鹉螺 |
| 繁體中文 | 鸚鵡螺 |
| English | Chambered Nautilus |
| Deutsch | Perlboot |
| Français | Nautile chambré |
| 日本語 | オウムガイ |
| 한국어 | 앵무조개 |
| Español | Nautilo |
| Português | Náutilo |
| ไทย | หอยงวงช้าง |
| Русский | Раковина-попугай |
| Bahasa | Nautilus Berongga |