Ocean’s Cloud

Spotted Lagoon

Difficulty of breeding:

Spotted Lagoon captivates with its gentle blue tint and distinctive spots, resembling shimmering light across a tropical lagoon’s surface. Its slow, spiraling motion brings a calming sense of peace and harmony to any aquarium.

View detailed description
Available on backorder
Price

39,90 €

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Ocean Ring (120l)
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Ocean Ring (287l)
Ocean Ring (287l)2.670,92 €
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Ocean Beam (600l)
Ocean Beam (600l)4.401,81 €
Available on backorder

Detailed description

Spotted Lagoon (Mastigias papua) is a jellyfish with a soft blue tint and distinctive speckles, giving it a slightly mysterious yet peaceful appearance. Its rounded body and bell are dotted with irregular pale markings that resemble scattered light on a lagoon’s surface. This visual effect creates the impression of a natural ornament, as if born from the heart of tropical waters.

It originates from the tropical lagoons and calm bays of Indonesia and the broader Indo-Pacific region, where it thrives in shallow, sunlit waters rich in nutrients. In the wild, it is often found near coral reefs and mangrove areas, forming calm groups that slowly drift as part of a wider ecosystem.

While swimming, it often rotates gently, causing its tentacles to sway in a smooth, hypnotic rhythm. This movement is not only visually captivating but also therapeutic – watching the Spotted Lagoon jellyfish brings a deep sense of calm and inner balance. Its motion feels like a slow dance of water and light.

Unlike some other species, it doesn’t rely on intense color or dramatic silhouette. Its strength lies in softness, which is precisely why it is an ideal choice in the Ocean’s Clouds collection for those seeking a gentle yet visually compelling jellyfish – a living presence that brings a sense of peace and harmony into any aquarium without being intrusive.

Spotted-Lagoon-1Frame
Spotted Lagoon
size guide

The bell typically reaches a size of 2–2.8 in (5 to 7 cm), while tentacles are usually around 1.6–2 in (4 to 5 cm) long. Thanks to its compact dimensions, this species is suitable even for smaller aquariums, where it can create a calm and visually appealing atmosphere.

Specimens are shipped in their early developmental stage and gradually gain their characteristic form and delicate details as they grow.

Spotted Lagoon
Lifespan guide

With proper care, it can live up to 24 months, making it one of the longest-living species in the Ocean’s Clouds collection. Its growth and development are gradual, allowing you to observe subtle changes in its appearance and movement throughout its entire life cycle.

Caring for
Spotted Lagoon

This species thrives best at a temperature between 20–25 °C (68–77 °F) and with a stable salinity of 30–32 ppt. For feeding, we recommend Marine Food or baby brine shrimps, ideally 3–4 times per week.

The jellyfish is completely non-stinging, and just like other Ocean’s Clouds species, it should always be kept on its own. We rate the difficulty of care as 4 out of 5, which requires regular maintenance and attention to tank conditions.

6000+Jellyfish bred
9+Years of experience
1700+Satisfied customers
Ocean’s Clouds

At Ocean’s Clouds, we believe that beauty should flow hand in hand with responsibility. That’s why every jellyfish we offer is bred in a carefully controlled environment — never taken from the wild. Raised under optimal conditions, they grow without stress, mirroring the calm they later bring into your home.

Our aquariums are designed to echo the natural rhythm of the sea. With no sharp edges and a continuous circular flow, they create the ideal habitat for jellyfish to drift, pulse, and glow — just as they would in open waters. It’s a living sculpture that adds silence, softness, and balance to any space.

This is not just about keeping jellyfish. It’s about creating a daily ritual of calm, a connection to the ocean, and a space where science, design, and nature meet. What you see is effortless beauty. What lies beneath is precision, ethics, and years of marine expertise.

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Justin Shannon

This is my #1 spot for Jellyfish and Jellyfish tanks!! They have great quality and fanatic customer service! They respond quickly and are very helpful with their product information, especially for new hobbyists. Highly recommended!

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Mike

This company went above and beyond expectations.They answered all my questions regarding my possible order of getting Jellyfish and when I decided to get them I wasnt disappointed with my purchase.I got them the next day that they were despatched.They were very well packaged and the jellyfish are beautiful. Top service guys and thank you so much for making this stress free for me👍

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Ömer Kurtoglu

Second order went as smoothly as first one. Kind and reliable provider, thank you for a great service.

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Megan Jackson

We absolutely love our jellies. As first time jelly fish owners, we definitely had to learn a lot about how to care for them. Patrick at Pet Jellyfish really helped us a lot when it came to figuring things out. He was very responsive and gave us great information, videos and guides. Any issues were resolved quickly and satisfactorily. I highly recommend Pet Jellyfish as a great place to get your jellies and jellies supplies.

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