Ongoing
“Shy Koutarou works at a deep-sea aquarium in Tokyo Bay, discovering a heartwarming coming-of-age story through his love of sea creatures.”
Deep Sea Aquarium MagMell
マグメル深海水族館
7.9
1,135 rank · 4,629 readers · 83 favorites
Seinen
Slice of Life
Workplace
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Based on your preference for character-driven stories with layered emotional arcs, this title's exploration of identity and belonging would deeply resonate. The pacing mirrors series you've rated highly, and its thematic depth aligns with your appreciation for nuanced storytelling...
However, the slow initial episodes might test your patience given your history of dropping shows that don't hook you early. The art style shift in the middle arc could also be a concern...
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Synopsis
Shy Koutarou works at a deep-sea aquarium in Tokyo Bay, discovering a heartwarming coming-of-age story through his love of sea creatures.
The deep sea is home to some of the most fantastic creatures the world has ever seen. And 200 meters below Tokyo Bay at the Magmell Deep Sea Aquarium, they're on display for all to see—Koutarou's idea of heaven. He's a shy boy, but Koutarou loves sea creatures and just landed a part-time job cleaning the aquarium. Follow Koutarou, his new boss, and all their deep-sea friends as a heartwarming coming-of-age story unfolds. (Source: Yen Press)
What people say
Community consensus
Derived from 4 sampled reviews
7.5
/10
What 4 readers settled on.
75%
recommend
Score distribution
median 8
mode 8
σ 2.18
Agreement
Polarized
σ 2.18 · split reception
The polarity gap
4.7 pts
Recommenders 8.7 · others 4.0
Yes
No
Score over time
↓ 0.50
Running avg · Mar 2021 → Apr 2026
Snap verdicts
· shortest highly-rated reviews
- 8 “Beautiful human drama with gorgeous aquatic artwork. Deep Sea Aquarium MagMell is ultimately a human drama sets in an aquarium for deep sea creatures. Although there is a foreshadowing for a bigger...”
- 10 “"This slice-of-life manga's real charm shines through the bittersweet lives of the keepers and their shared love for the deep sea. Each chapter introduces a creature from the abyss, and through...”
- 8 “Deep Sea Aquarium Magmell has an interesting premise that has not had enough time to come to fruition yet. This is a fairly new manga at the time of this review, so I mainly want to talk about the...”
Verbosity
Short · 75%
Medium · 25%
Long · 0%
Read Order & Related
Explore the Deep Sea Aquarium MagMell universe
Cast
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A Manga Publication
- Published Apr 2017 – ongoing
- Source Manga media type
- Ref. BS-M46976 catalog