Skip to content
AquAnswers

AquAnswers

  • Getting Started & How-Tos
    • A-Z Overviews
    • Fish Keeping Guides
    • Aquascaping
    • Aquarium Dimensions
  • Gear & Tank Setups
    • Setup Overviews
    • Water Care
      • Water Quality Guides
      • Aquarium Bacteria Starter
      • Nitrate in Freshwater Aquarium
      • Nitrate in Saltwater Aquarium
      • Cloudy Water
      • Green Water
    • Gear Help
      • Gear Overviews
      • Aquarium Tanks
      • LED Aquarium Lighting
        • For Coral Growth
        • For Plant Growth
        • For a Refugium
      • Aquarium Filter
        • Canister
        • For Turtle Tank
        • The Quietest
        • Floss
      • Aquarium Heater
      • Substrate for Planted Tanks
      • Aquarium Plant Fertilizer
      • Aquarium Powerhead
      • Aquarium CO2 Regulator
      • Aquarium UV Sterilizer
      • Aquarium RO DI System
  • Freshwater Aquarium
    • Freshwater Care Overviews
    • Freshwater Fish Ideas
      • Freshwater Fish Guides
      • Best for Beginners
      • Most Colorful Species
      • Species For a Small 5-Gallon Tank
      • Betta Fish
      • Goldfish
      • Freshwater Shrimp
      • Angel Fish
      • Discus Fish
      • Oscar Fish
      • Cory Catfish
      • Cichlids
      • Rainbowfish
      • Freshwater Snails
      • Freshwater Turtles
      • Plecos
      • Pet Eels
      • Pet Sharks
      • Smallest Species
      • Easiest Species To Take Care of
      • Community Species
      • Cold Water Species
      • Species That Eat Snails
      • Hair Algae Eaters
      • Coolest Species
  • Saltwater Aquarium
    • Saltwater Care Overviews
    • Saltwater Fish Ideas
      • Saltwater Fish Guides
      • Reef Safe Species
      • Algae Eaters
      • Small & Nano Species
  • Fish Health
    • Fish Diseases
    • White Spots
    • Treating Freshwater Ich
    • Treating Saltwater Ich
    • Nitrate Poisoning
    • Swimming Upside-Down
  • Aquatic Profiles
    • Angel Fish
    • Betta Fish
    • Cichlids
    • Cory Catfish
    • Discus Fish
    • Freshwater Shrimp
    • Freshwater Snails
    • Freshwater Turtles
    • Goldfish
    • Guppies
    • Oscar Fish
    • Plecos
    • Rainbowfish
  • All Posts
  • Getting Started & How-Tos
    • A-Z Overviews
    • Fish Keeping Guides
    • Aquascaping
    • Aquarium Dimensions
  • Gear & Tank Setups
    • Setup Overviews
    • Water Care
      • Water Quality Guides
      • Aquarium Bacteria Starter
      • Nitrate in Freshwater Aquarium
      • Nitrate in Saltwater Aquarium
      • Cloudy Water
      • Green Water
    • Gear Help
      • Gear Overviews
      • Aquarium Tanks
      • LED Aquarium Lighting
        • For Coral Growth
        • For Plant Growth
        • For a Refugium
      • Aquarium Filter
        • Canister
        • For Turtle Tank
        • The Quietest
        • Floss
      • Aquarium Heater
      • Substrate for Planted Tanks
      • Aquarium Plant Fertilizer
      • Aquarium Powerhead
      • Aquarium CO2 Regulator
      • Aquarium UV Sterilizer
      • Aquarium RO DI System
  • Freshwater Aquarium
    • Freshwater Care Overviews
    • Freshwater Fish Ideas
      • Freshwater Fish Guides
      • Best for Beginners
      • Most Colorful Species
      • Species For a Small 5-Gallon Tank
      • Betta Fish
      • Goldfish
      • Freshwater Shrimp
      • Angel Fish
      • Discus Fish
      • Oscar Fish
      • Cory Catfish
      • Cichlids
      • Rainbowfish
      • Freshwater Snails
      • Freshwater Turtles
      • Plecos
      • Pet Eels
      • Pet Sharks
      • Smallest Species
      • Easiest Species To Take Care of
      • Community Species
      • Cold Water Species
      • Species That Eat Snails
      • Hair Algae Eaters
      • Coolest Species
  • Saltwater Aquarium
    • Saltwater Care Overviews
    • Saltwater Fish Ideas
      • Saltwater Fish Guides
      • Reef Safe Species
      • Algae Eaters
      • Small & Nano Species
  • Fish Health
    • Fish Diseases
    • White Spots
    • Treating Freshwater Ich
    • Treating Saltwater Ich
    • Nitrate Poisoning
    • Swimming Upside-Down
  • Aquatic Profiles
    • Angel Fish
    • Betta Fish
    • Cichlids
    • Cory Catfish
    • Discus Fish
    • Freshwater Shrimp
    • Freshwater Snails
    • Freshwater Turtles
    • Goldfish
    • Guppies
    • Oscar Fish
    • Plecos
    • Rainbowfish
  • All Posts

Fish Diseases

Here you will find comprehensive guides about different types of diseases that commonly affect aquarium fish. Learn how to identify these diseases and what treatment you should likely follow to help a sick pet fish. We don’t discriminate between freshwater and saltwater species and cover both. That being said, consulting with a fish vet will be the best approach in any of these situations.

Nitrate Poisoning in Aquarium Fish: Causes and Cures

Feeding fish

If you notice that your pet goldfish is grotesquely curled up then it’s definitely time to reassess the water quality in your aquarium.

Continue →

1
Shares
9 Comments

Cause (+ Cures) for a Fish That’s Floating Upside-Down But is Still Alive?

Witnessing your beloved pet fish swimming upside down can be perplexing, sparking a flurry of questions about its health and well-being. If your aquatic companion exhibits this unusual swimming pattern, it clearly indicates underlying issues. Understanding the root causes behind this condition and implementing timely treatment measures are crucial for restoring your fish’s vitality.

Continue →

95
Shares
142 Comments

Betta fish Laying at the Bottom of the Tank: 12 Reasons Why

Betta Laying on Ground.

Betta fish owners will witness all kinds of weird behavior.

Continue →

19
Shares
90 Comments
Newer posts
← Previous Page1 Page2

ABOUT AQUANSWERS & TEAM

Aquanswers is a blog about freshwater and saltwater pets, where we share inspiration, tips , detailed research, & ideas for your aquarium. We have made MANY mistakes throughout our fishkeeping journey and thus learned A LOT of valuable lessons. Join in on our community of hobbyist to grow and Share Your Experiences!

Click Below To:

Latest Articles

  • Iridescent Shark Catfish (Pangasianodon hypophthalmus): A Giant with Gentle Energy
  • True Flying Fox (Epalzeorhynchos kalopterus): The Algae-Eating Streamliner of Planted Tanks
  • Top 10 Most Popular Types of Betta Fish: A Guide to Colorful Personalities and Fins
  • Black Sharkminnow (Labeo chrysophekadion): A Powerful Presence in Extra-Large Aquariums
  • Red-tailed Black Shark (Epalzeorhynchos bicolor): Bold Looks and Territorial Attitude

Looking For Something?

Popular Today:

  1. 20 Smallest Freshwater Aquarium Micro Fish That STAY Small
  2. Comprehensive Guide to Oranda Goldfish: Care, Types, and Setup Tips
  3. 15 Types of Goldfish for Your Aquarium 
  4. A Cheat Sheet to Fish Tank Gallon Sizes and Dimensions
  5. Identifying the White Spots That Appear on Fish (illustrated)
  6. Explore the 20 Popular Types of Guppies for Your Aquarium 
  7. What is the white fuzzy stuff in my fish tank? (Is it White algae?)
  8. Three Stripe Corydoras (Corydoras trilineatus): The Lively Bottom-…
  9. The 39 Most Colorful Freshwater Aquarium Fish

Most Popular This Week:

  1. A Cheat Sheet to Fish Tank Gallon Sizes and Dimensionsimage-159

Follow our Socials:


Home | Terms of Use and Privacy Policy | About and Contact Us

© 2025 Aquanswers - All Rights Reserved