ゆるゆるシーラカンス飼育ゲーム|深海魚図鑑
Shinmei Simulation Contains ads
A relaxing idle game where you illuminate the pitch-black deep sea with a light and raise coelacanths. A free encyclopedia of 100 deep-sea creatures is also included.
- Downloads
- 577+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Aug 18
- 2026 · v1.0.2
Screenshots
About ゆるゆるシーラカンス飼育ゲーム|深海魚図鑑
This is the deep sea, 200 meters below the surface of light. Your only tool is a single searchlight (light).
This is a new kind of relaxing idle育成 (idle育成) game where you use your finger to illuminate the pitch-black ocean and leisurely raise a "living fossil," the coelacanth.
The light only illuminates the area you touch on the screen. Shine the light on the faintly glowing coelacanth in the darkness and admire its form.
■ What kind of game is it?
- A coelacanth breeding game where you raise a coelacanth by illuminating the dark deep sea with a light.
- When you sink squid (food) and shine the light on it, the coelacanth will notice and come to eat.
- If you shine the light on the creature too much, it will get annoyed and hide in a cave—a sense of distance unique to deep-sea fish.
- When you capture deep-sea creatures crossing the darkness with the light, they are recorded in the "Deep Sea Encyclopedia." A whopping 100 species!
* Anglerfish, giant isopod, flapjack octopus, oarfish, giant squid, frilled shark, sea angel… a parade of real deep-sea creatures appear!
* Your coelacanth grows over time, even when the app is closed.
* Witness the coelacanth's unique and mysterious habits, such as its occasional "upside-down swimming."
■ Relaxing Features
* Gentle background music and dark water effects that evoke the tranquility of the deep sea.
* Coelacanths swim with the fluidity of the real thing.
* Completely free, no in-app purchases, offline play.
■ Recommended for:
* Those who love coelacanths, deep-sea fish, and deep-sea creatures.
* Those who enjoy collecting creatures and building encyclopedias.
* Those who love aquariums and deep-sea exhibitions.
* Those who want to relax with a relaxing, idle game.
Gently illuminate the deep sea, discover 100 species of deep-sea creatures, and raise your very own coelacanth.
Recommended age: 13 years and older
This is a new kind of relaxing idle育成 (idle育成) game where you use your finger to illuminate the pitch-black ocean and leisurely raise a "living fossil," the coelacanth.
The light only illuminates the area you touch on the screen. Shine the light on the faintly glowing coelacanth in the darkness and admire its form.
■ What kind of game is it?
- A coelacanth breeding game where you raise a coelacanth by illuminating the dark deep sea with a light.
- When you sink squid (food) and shine the light on it, the coelacanth will notice and come to eat.
- If you shine the light on the creature too much, it will get annoyed and hide in a cave—a sense of distance unique to deep-sea fish.
- When you capture deep-sea creatures crossing the darkness with the light, they are recorded in the "Deep Sea Encyclopedia." A whopping 100 species!
* Anglerfish, giant isopod, flapjack octopus, oarfish, giant squid, frilled shark, sea angel… a parade of real deep-sea creatures appear!
* Your coelacanth grows over time, even when the app is closed.
* Witness the coelacanth's unique and mysterious habits, such as its occasional "upside-down swimming."
■ Relaxing Features
* Gentle background music and dark water effects that evoke the tranquility of the deep sea.
* Coelacanths swim with the fluidity of the real thing.
* Completely free, no in-app purchases, offline play.
■ Recommended for:
* Those who love coelacanths, deep-sea fish, and deep-sea creatures.
* Those who enjoy collecting creatures and building encyclopedias.
* Those who love aquariums and deep-sea exhibitions.
* Those who want to relax with a relaxing, idle game.
Gently illuminate the deep sea, discover 100 species of deep-sea creatures, and raise your very own coelacanth.
Recommended age: 13 years and older
What’s new
Version 1.0.2 · Updated August 18, 2026
広告のタイミングが分かりやすくなりました。 ■ お世話ボタンに「広告」バッジを表示 (次に押すと広告が流れるとき) ■ 広告は 15分に1回だけ (連発しません)
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