Aquarium Guides & Tutorials
In-depth guides to setting up aquariums, picking the right fish, and keeping a healthy tank — written by UK aquarists, updated regularly.
Species Deep-dives
Amano Shrimp UK: Algae-Eating Specialist Every Planted Tank Needs
Amano shrimp (Caridina multidentata) — the algae crew every UK planted tank needs. Why they can't breed in freshwater, what they actually eat, welfare-first delivery.
10 min read
Angelfish UK: Species Biology, Welfare & The Colour Strains In Stock
Angelfish (Pterophyllum scalare) — South American cichlid biology, pairing behaviour, strain genetics, UK welfare requirements, and the 10 colour strains we ship.
12 min read
Cherry Shrimp UK: Colour Strains, Water, Welfare & Every In-Stock Morph
Cherry shrimp (Neocaridina davidi) — origin, colour genetics, UK tap water, welfare-first delivery, and the 12 colour strains we keep stocked. Written by a Bristol breeder.
12 min read
Corydoras UK: The Substrate Community Fish Every Tank Should Have
Corydoras catfish — the substrate schooler that makes every community tank feel alive. Species comparison, welfare-critical substrate rules, and the 10 varieties in UK stock.
11 min read
Kuhli Loach UK: The Nocturnal Specialist Every Planted Tank Wants
Kuhli loaches (Pangio kuhlii) — the eel-like substrate-burrowers every UK planted tank wants. Social biology, substrate welfare, species ID, and live stock.
10 min readBuying Guides
Ancistrus Pleco UK: The Complete 2026 Bristlenose Guide
Everything UK aquarists need to buy and keep bristlenose plecos — size, tank mates, colour morphs (albino, longfin, super red, L-number). The only pleco that fits a 90 L tank.
11 min read
Black Phantom Tetra UK: Complete 2026 Buying & Care Guide
Black phantom tetras are larger, bolder, and better behaved than neons or cardinals. Tank size, sexing, red phantom counterpart, and our live UK stock.
9 min read
How to Buy Tropical Fish Online in the UK: Complete Buyer's Guide
How to buy tropical fish online in the UK safely — what to look for in a retailer, how delivery works, acclimation on arrival, and honest notes on live arrival guarantees.
16 min read
Cardinal Tetras in the UK: The Complete 2026 Buying Guide
Everything UK aquarists need to buy, acclimate and keep cardinal tetras — water, tank size, tank mates, and the live fish we ship this week.
9 min read
Clown Pleco UK: L-Number Guide for UK Aquariums (2026)
Clown plecos (L-numbers) stay small enough for a 90 L tank but need wood and specific water conditions. L204, L206, L226 compared. The 5 lines in UK stock today.
10 min read
Cold Water Fish for Sale UK: The Complete 2026 Buying Guide
Cold water fish for UK unheated tanks — goldfish, white cloud mountain minnows, rosy barbs, pearl danios, and the 10 species we ship no-heater-needed.
10 min read
Ember Tetras in the UK: The Complete 2026 Buying Guide
Everything UK aquarists need to buy and keep ember tetras — the nano-tank schooler that actually tolerates UK tap water. Tank size, mates, feeding, and live stock.
10 min read
Female Betta Fish UK: The Complete 2026 Buying & Care Guide
Female bettas are smaller, cheaper, and actually keepable in community tanks (unlike males). Tail types, sorority setup, UK tap water, and the female bettas we ship this week.
10 min read
Guppies in the UK: The Complete 2026 Buying & Care Guide
Everything UK aquarists need to buy, breed and keep guppies — fancy strains, UK tap water, tank size, tank mates, and the live guppies we ship this week.
11 min read
Hillstream Loach UK: The Complete 2026 Buying & Care Guide
The hillstream loach is the UK's go-to high-flow specialist — sucker-bodied, cool-water, algae-eating. Species ID, tank setup, and the 5 varieties we ship.
10 min read
Siamese Algae Eater UK: The Complete 2026 Planted-Tank Guide
The Siamese algae eater is the only fish that eats black beard algae — but most UK shops sell the wrong species. How to buy the real Crossocheilus, care, and tank mates.
10 min readBest-of Lists
The 10 Best Beginner Tropical Fish for UK Aquariums
The 10 best beginner tropical fish for UK aquariums — hardy, peaceful, tolerant of UK tap water, and widely in stock. Picked by a 15-year aquarist, not a copywriter.
17 min read
Tropical Fish for Sale in the UK: Our Top Picks for 2026
Live tropical fish for sale across the UK — 3,600+ species in stock, insulated a licensed live-animal courier delivery, full live arrival guarantee. Our top 10 picks for 2026.
15 min readHow-to Guides
Betta Fish Temperature UK: The Complete 2026 Care Guide
The right betta fish temperature is 25–27 °C — below that they stop feeding, above that their lifespan drops. UK heater sizing, summer-cooling tips, and our live stock.
8 min readHow to Set Up Your First Aquarium: A UK Beginner's Guide
Step-by-step guide to setting up your first freshwater aquarium — tank, filter, cycle, fish. UK-specific advice from a 15-year aquarist. Start here.
12 min read