Sitemap
Every page on FreshwaterNest in one place.
Species Care
- 10 Hardest Fish for Beginners (and What to Keep Instead)
- Amano Shrimp Care: The Best Algae Cleaner
- Angelfish Care: Graceful Centrepieces for a Community Tank
- Best Algae Eaters for Freshwater Tanks
- Best Fish for a 10-Gallon Tank (2026)
- Best Fish for a 20-Gallon Tank: 15 Species That Thrive
- Betta Fish Care: Tank, Diet, Temperature and Tank Mates
- Black Skirt Tetra Care: A Bold, Easy Schooler
- Bristlenose Pleco Care: The Small Algae Eater
- Cardinal Tetra Care: The Red-Striped Classic
- Celestial Pearl Danio Care: A Tiny Lake of Stars
- Cherry Barb Care: A Small Red Spark for Community Tanks
- Cherry Shrimp Care: A Colourful, Low-Tech Cleanup Crew
- Corydoras Catfish Care: The Peaceful Bottom Cleaner
- Crystal Red Shrimp Care: The Designer Dwarf Shrimp
- Discus Care: The King of the Aquarium
- Dwarf Gourami Care: Colour and Calm in One Fish
- Ember Tetra Care: A Tiny Ember of Colour
- Endler's Livebearer Care: Pocket-Sized Colour
- Goldfish Care: Coldwater Fish That Need More Room Than You Think
- Guppy Care: Colour, Tank Size and Breeding Made Simple
- Harlequin Rasbora Care: The Perfect Peaceful Schooling Fish
- Hillstream Loach Care: The Algae-Eating Stream Fish
- Kuhli Loach Care: The Secretive Eel-Like Cleaner
- Malaysian Trumpet Snail Care: The Burrowing Cleaner
- Molly Care: Livebearers That Love Hard Water
- Mystery Snail Care: The Big, Friendly Apple Snail
- Neon Tetra Care: Tank Size, Water Parameters and Tank Mates
- Nerite Snail Care: Algae-Eating, Non-Breeding Snails
- Otocinclus Care: The Dainty Algae Cat
- Platy Care: Easy, Colourful Livebearers
- Pygmy Cory Care: The Tiny Schooling Catfish
- Ram Cichlid Care: A Gentle Dwarf Cichlid
- Rummy Nose Tetra Care: The Canary of the Tank
- Swordtail Care: The Tail With a Blade
- White Cloud Mountain Minnow Care: The Cold-Water Nano Fish
- Zebra Danio Care: The Bulletproof Beginner Fish
Setup Guides
- Aquarium Substrate Guide: Gravel, Sand or Soil?
- Aquascaping for Beginners: Build a Tank That Looks Good and Works
- Choosing the Right Aquarium Filter (Sponge, HOB or Canister)
- Cycling a New Aquarium: The Nitrogen Cycle Explained
- Freshwater Aquarium Setup for Beginners (Step by Step)
- How to Acclimate New Fish (Without Killing Them)
- How to Do a Water Change Without Stressing Your Fish
- How to Set Up a Quarantine Tank (and Why You Need One)
- Planted Tank for Beginners: Low-Tech, Low-Stress Green
- Sand vs Gravel: Which Substrate Should You Choose?
- Setting Up a Shrimp Tank: A Calm Nano for Cherry and Amano
Fish Health & Disease
- Ammonia Poisoning: The Silent New-Tank Killer
- Black Beard Algae: The Stubborn Brush
- Brown Algae: The New-Tank Dusting
- Camallanus Worms: The Red Thread Parasite in Livebearers
- Cloudy Eye and Popeye: What the Swollen Eye Means
- Columnaris: The Cotton-Mouth Bacteria
- Constipation in Fish: Bloating and the Pea Fix
- Dropsy in Fish: Pinecone Scales and What to Do
- Fin Rot: Causes, Treatment and Recovery
- Fungal Infections: Cotton Wool on Fish
- Gill Flukes in Fish: Spotting and Treating Parasitic Flukes
- Green Water Algae: The Pea-Soup Bloom
- Hole-in-the-Head Disease (HLLE): Causes and Recovery
- Ich (White Spot): Symptoms, Treatment and Prevention
- Lymphocystis: The 'Cauliflower' Wart Virus in Fish
- New Tank Syndrome: Why Fish Die in Week One
- Red Pest & Bacterial Septicemia: When Fish Bleed Under the Skin
- Swim Bladder Disease: Fish Floating or Sinking
- Velvet Disease in Fish: Dusty Gold Spots and Fast Action
- Why Is My Fish Gasping at the Surface? 6 Causes and Fixes
- Why Is My Fish Not Eating?
Gear & Equipment
- Aquarium Air Pump Guide: Oxygen, Flow and Bubble Walls
- Aquarium LED Lighting Guide: Kelvin, PAR and Photoperiod
- Automatic Fish Feeder Guide: Feeding While You're Away
- Best Aquarium Heater 2026 (and How to Size One)
- Best Canister Filter for a 20-Gallon Tank (2026)
- Best Gravel Vacuum & Water Changer: Clean Substrate, Easy Changes
- Best Sponge Filter Guide: Quiet, Safe and Shrimp-Proof
- Canister vs Hang-On-Back Filter: Which Should You Run?
- Hang-On-Back vs Sponge Filter: Which Should You Run?
- LED vs Fluorescent Aquarium Lighting: What Actually Matters
- UV Sterilizer Guide: Do You Actually Need One?
Aquatic Plants
- Amazon Sword Care: The Classic Background Plant
- Anubias Care: The Indestructible Aquarium Plant
- Cryptocoryne Care: Lush Rosette Plants
- Dwarf Hairgrass Care: The Carpeting Lawn
- Hornwort Care: The Fast Nitrate Eater
- Java Fern Care: The Bulletproof Beginner Plant
- Java Moss Care: The Indestructible Carpeting Moss
- Marimo Moss Ball Care: The Round, Slow Green Pet
- Monte Carlo Care: The Beginner-Friendly Carpet Plant
- Vallisneria Care: The Tall, Hardy Background Grass
- Water Wisteria Care: The Fast, Forgiving Background Plant
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