Pet Jellyfish

What Pet Jellyfish does

Pet Jellyfish (operating as JellyTech LTD, a Czech-registered private limited company) is a niche direct-to-consumer e-commerce retailer that sells captive-bred pet jellyfish, purpose-built jellyfish aquariums, and supporting accessories to consumers primarily in the UK. Founded in 2014 and operating from petjellyfish.co.uk on Shopify, the company runs as a small team (1–10 employees) and has cumulatively served more than 1,700 clients across 7+ years. It markets itself on ethical, in-house captive breeding (no wild-caught stock) rather than as a general aquarium retailer.

The product portfolio centres on circular jellyfish aquariums with proprietary water-flow architectures, multi-color remote-controlled LED lighting, and integrated biological filtration using ceramic bio media. Tank sizes range from a 2L Mini O2 desktop unit (£219) to a 287L O287 (£2,399), a 400L C600 commercial cylinder (£3,846), an 180L FF model with external filtration (£4,600), and bespoke oval or circular tanks up to 600L (£7,900). These are sold standalone or as all-in-one starter kits (priced from £269 to £2,949) bundling tank, jellyfish, food, equipment, water tests, and salt. Over 15 jellyfish species are sold live (Moon, Blue Blubber, Red Cross, Flame, Atlantic Sea Nettle, Ghost, Spotted Lagoon, etc.), each with species-specific care requirements; jellyfish lifespans of 12–18 months underpin structural repeat-purchase economics. Accessories — feeds (Jelly Fuel, Ocean Nutrition brine shrimp), Red Sea Salt, Chemi-Pure, sera marin bio reefclear, refractometers, NO3 test kits, pipettes — drive ongoing consumable revenue.

Revenue mechanics are one-time hardware/kits plus recurring jellyfish and consumable sales. Customer acquisition is entirely direct through the Shopify storefront, with marketing spread across Instagram (@petjellyfishuk), Facebook, LinkedIn, blog/SEO content, email newsletter, and promotional video, with no retail, wholesale, or marketplace channels. Customer segments include individual homeowners (primary), gift buyers, hobbyist aquarists, and office/commercial spaces. No external funding, M&A, or leadership changes are disclosed; ownership is founder-held and bootstrapped.

Name

Pet Jellyfish

Legal name

JellyTech LTD

Website

https://petjellyfish.co.uk

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

1–10 employees

Short description

Pet Jellyfish is a UK-facing direct-to-consumer retailer (legal entity JellyTech LTD, Czech Republic) that sells captive-bred pet jellyfish, purpose-built jellyfish aquariums, and consumable accessories to individual hobbyists, gift buyers, and commercial decor customers via a Shopify storefront.

Ownership category

akta.pro rank

Product category

Specialty Pet Aquariums & Live Jellyfish Supplies

NAICS

Pet and Pet Supplies Retailers (459910)

SIC

Agricultural Prod-Livestock & Animal Specialties (200)

akta.pro primary industry

Aquarium & Fish Supplies Retail (CRALAHAI)

Keywords

• Jellyfish aquariums
• Live jellyfish sales
• Marine pet supplies
• Aquarium starter kits
• Captive-bred jellyfish

Headquarters

HQ city

Benesov

HQ country

Czechia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Marketing or Sales, Personnel, Infrastructure

Revenue model

1. Jellyfish Aquarium Sales: One-time sales of specialized jellyfish aquariums ranging from compact 2L desktop tanks to large 400L custom installations. Tanks are sold with various features including LED lighting, filtration systems, and different sizes.
2. Live Jellyfish Sales: Sale of live jellyfish in various species. Jellyfish have finite lifespans (typically 12-18 months), creating recurring purchase opportunities. Minimum order quantities and specific delivery days apply.
3. Starter Kits: Comprehensive bundles combining aquarium, jellyfish, food, equipment, test kits, and salt. All-in-one packages designed for first-time jellyfish owners at various price points from £269 to £2,949.
4. Accessories and Consumables: Ongoing sales of accessories including salt, water test kits, filters, food products, refractometers, feeding pipettes, and replacement parts for tank maintenance.
5. Gift Cards: Digital gift cards available for purchase, allowing customers to gift jellyfish-keeping experiences to others.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels7 records

Core offering

Pet Jellyfish is a UK-based direct-to-consumer e-commerce retailer specializing in jellyfish-keeping products. Its core offerings are purpose-built jellyfish aquariums (sizes from 2L to 400L), over 15 species of captive-bred live jellyfish, and comprehensive starter kits that bundle tanks, jellyfish, food, equipment, water tests, and salt. Supporting accessories include jellyfish food, Red Sea Salt, biological filtration media, refractometers, and water test kits.

Product overview

Pet Jellyfish is a specialized e-commerce retailer offering a complete ecosystem of products for keeping jellyfish as pets. Their portfolio centers on purpose-built jellyfish aquariums (including Alpha, O-series, S-series, FF, C600, and custom designs) and over 15 species of captive-bred live jellyfish, sold individually or bundled into starter kits that include tanks, jellyfish, food, equipment, water tests, and salt. Supporting accessories encompass jellyfish food (Jelly Fuel, Ocean Nutrition, brine shrimp kits), water treatment products (Chemi-Pure, sera marin), Red Sea Salt, testing equipment, and maintenance tools. The company operates the UK-based Shopify-powered store (petjellyfish.co.uk) and ships live jellyfish (with delivery restrictions for certain species). Founded in 2014, the company emphasizes ethical breeding practices, animal-friendly setups (jellyfish have no brain), and specialized aquarium designs with multi-color LED lighting systems.

Differentiator

Problem solved

Functional benefit

Products and services

• Starter Kits Complete packages combining purpose-built jellyfish aquariums with live jellyfish, food, equipment, water tests, and salt, available in multiple sizes from entry-level to premium for first-time jellyfish keepers.
• Jellyfish Tanks Purpose-built jellyfish aquariums in multiple series (Alpha, O-series, S-series, FF, C600, and custom builds) ranging from 2L desktop tanks to 400L commercial installations, featuring multi-color LED lighting, integrated biological filtration, and circular water flow design.
• Live Jellyfish Over 15 species of captive-bred live jellyfish including Moon Jellyfish, Blue Blubber, Red Cross Blubber, Flame, Atlantic Sea Nettle, Ghost, Spotted Lagoon, Australian Spotted, Amakusa, Purple Striped, and more, each with species-specific care requirements and compatibility guidelines.
• Accessories and Consumables Supporting products for jellyfish care including jellyfish food (Jelly Fuel, Ocean Nutrition Instant Baby Brine Shrimp, brine shrimp kits), water treatment (Chemi-Pure Blue Nano, sera marin bio reefclear), Red Sea Salt, testing equipment (NO3 nitrate test, Refractometer ATC), feeding tools, and replacement parts.
• Bioluminescent Algae Bioluminescent algae products for aquariums that produce natural glowing light effects.
• Gift Cards Digital gift cards available for purchase, allowing customers to gift jellyfish-keeping experiences to others.
• Custom Jellyfish Aquariums Bespoke custom aquariums in oval (220L–600L) and circle configurations, with pricing from £1,950 to £7,900 depending on specifications.

Quantifiable outcome

• 1000+ aquariums sold
• +3 more outcomes

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature4 records

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Jellyfish Art: US-based direct-to-consumer retailer specializing in jellyfish aquariums, live jellyfish, and starter kits. The closest direct competitor to Pet Jellyfish, with the same captive-bred jellies, cylindrical tank designs, and starter-kit-led GTM motion, but operating primarily in the US market.
• Blue Zoo Aquatics: Online exotic marine fish and invertebrate retailer serving hobbyists with live aquatic animals and supplies. Comparable direct-to-consumer e-commerce model, similar species breadth, and overlapping customer base of marine aquarium enthusiasts — though not jellyfish-specialized.

Broad incumbents

• That Fish Place / That Pet Place: Large US aquarium and pet retailer combining brick-and-mortar stores with strong online catalog across fish, reptiles, and supplies. Comparable in carrying specialty live animals and aquarium equipment but as a broad incumbent, not a jellyfish specialist.
• LiveAquaria: Large online retailer of freshwater and marine fish, invertebrates, and aquarium supplies, now backed by Petco. Overlaps with Pet Jellyfish on live aquatic animals and aquarium equipment but operates at much broader scale across all aquarium categories rather than jellyfish-specific.
• Marine Depot: Established online aquarium supply retailer focused on saltwater and reef-keeping equipment, lighting, and consumables. Comparable e-commerce-first distribution model and overlapping customer base with marine aquarium hobbyists, though broader in category scope.

Others

• Reef Builders: Leading online media outlet and community for reef and marine aquarium hobbyists. Not a direct commercial peer, but a relevant ecosystem participant — its audience overlaps with Pet Jellyfish's aquarium-hobbyist customer segment and represents a potential content/partnership channel.

Regional players

• Aqua Forest Aquarium: UK-based marine aquarium retailer and livestock supplier focused on reef-keeping enthusiasts. Comparable UK regional presence, overlapping target customer (marine hobbyists), and similar direct-to-consumer distribution model for live animals and equipment.
• Tropical Marine Centre: UK-based marine livestock wholesaler and retailer specializing in tropical fish, corals, and aquarium supplies. Comparable UK geographic footprint and marine-focused customer base, with overlap in live aquatic animal distribution but broader marine category focus.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Instagraminstagram.com/petjellyfishuk/?hl=en
• Xx.com/petjellyfish
• Facebookfacebook.com/PetJellyfish

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Pet Jellyfish