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 Sharks
      • Pet Eels
      • 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
    • Amphibians
    • Angel Fish
    • Betta Fish
    • Cichlids
    • Cory Catfish
    • Discus Fish
    • Freshwater Shrimp
    • Freshwater Snails
    • Freshwater Turtles
    • Goldfish
    • Guppies
    • Oscar Fish
    • Plecos
    • Rainbowfish
    • Pet Eels
  • 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 Sharks
      • Pet Eels
      • 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
    • Amphibians
    • Angel Fish
    • Betta Fish
    • Cichlids
    • Cory Catfish
    • Discus Fish
    • Freshwater Shrimp
    • Freshwater Snails
    • Freshwater Turtles
    • Goldfish
    • Guppies
    • Oscar Fish
    • Plecos
    • Rainbowfish
    • Pet Eels
  • All Posts

Freshwater Aquarium

Here you’ll discover a collection of detailed articles about topics concerning freshwater aquariums in general.

Some hot sub-categories that you might want to check out are my fish setup ideas and Betta fish guides.

Browsing through this section is recommended for both beginner and advanced aquarists.

You can also take a look at the general fish keeping guides.

So let me show you how to set up or improve your freshwater tank at home!

Electric Eel (Electrophorus electricus): Shocking Predator for Expert Aquarists

Read this detailed guide before keeping an Electric Eel as a pet! We will share the special skills and safety measures needed for protecting yourself while handling Electrophorus electricus, and keeping this species happy and healthy in a home aquarium. 

Continue →

Shares This
Leave a comment

Reedfish / Ropefish (Erpetoichthys calabaricus): Serpentine Swimmer for Oddball Aquariums

Check out this comprehensive guide full of professional tips for intermediate and advanced aquarists looking to add the freshwater oddball, Erpetoichthys calabaricus, to their community or niche-specific aquarium. 

Continue →

Shares This
Leave a comment

Rubber Eel (Typhlonectes natans): Unique Fully Aquatic Amphibian for Niche Keepers

This practical guide on managing rubber eel care in an aquarium for a maximized lifespan includes tips on correct species identification, tank setup, feeding, and much more!

Continue →

16
Shares
Leave a comment

Asian Swamp Eel (Monopterus albus): Hardy, Air-Breathing Predator for Advanced Keepers

This comprehensive guide provides details on keeping the Asian Swamp Eel, a predatory eel species, as a pet. You will learn how to identify this species, aquarium setup, water parameters, feeding, and much more about its complex, specialized care!

Continue →

16
Shares
Leave a comment

Half-Banded Spiny Eel (Macrognathus circumcinctus): Social, Striped, and Escape-Savvy Oddball

Meet the Half-Banded Spiny Eel, a quirky, social oddball with striped charm and a knack for slipping out of tanks. In this article we share how to care for this freshwater fish with tips on habitat setup, feeding, and more.

Continue →

18
Shares
Leave a comment

Halfmoon Plakat Betta (Betta splendens): Compact Elegance with a Striking Tail

Halfmoon Plakat is a short-finned Betta with the colorful scales and dramatic 180-degree tail spread of the Halfmoon variety but a smaller 2.5 inches body and an athletic build which requires specialized maintenance and care, all of which are shared in this article. 

Continue →

18
Shares
Leave a comment

Zig‑Zag Eel (Mastacembelus armatus): Dramatically Patterned Burrower for Intermediate Aquarists

In this guide, we’ll share how to distinguish Zig-Zag eels from other eel variants, set up a mid-level to large-sized tank, provide adequate diet, select compatible mates, and ensure optimal health care for this aquatic beauty. 

Continue →

14
Shares
Leave a comment

Peacock Eel (Macrognathus siamensis): Graceful and Peaceful Diver for Community Aquariums

Come learn how to distinguish between Peacock Eels and other spiny eel species using their physical appearance and characteristics. This guide also shares a complete care guide to maintain this eel throughout its ~8 year lifespan.

Continue →

31
Shares
Leave a comment

Bichirs (Polypterus spp.): Ancient Prehistoric Fish for Enthusiasts

Discover bichirs, a prehistoric freshwater fish with lungs, striking armor, and unique personalities. Come learn how to care for them in this full bichir care guide.

Continue →

15
Shares
Leave a comment

Alien Betta Fish (Betta splendens): A Metallic Showpiece With Mysterious Origins

The Alien Betta Fish is a stunning hybrid with metallic colors and a bold personality. In this complete guide we share care tips, tank setup, feeding, and much more!

Continue →

16
Shares
Leave a comment
Older posts
Page1 Page2 … Page39 Next →

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

  • Electric Eel (Electrophorus electricus): Shocking Predator for Expert Aquarists
  • Reedfish / Ropefish (Erpetoichthys calabaricus): Serpentine Swimmer for Oddball Aquariums
  • Rubber Eel (Typhlonectes natans): Unique Fully Aquatic Amphibian for Niche Keepers
  • Asian Swamp Eel (Monopterus albus): Hardy, Air-Breathing Predator for Advanced Keepers
  • Half-Banded Spiny Eel (Macrognathus circumcinctus): Social, Striped, and Escape-Savvy Oddball

Looking For Something?

Popular Today:

  1. Can You Have 2 Beta Fish In One Tank?
  2. The Unique Beauty of Albino Guppies: A Comprehensive Care Guide 
  3. The Striking Contrast: Caring for Half Black Angelfish 
  4. Black Sharkminnow (Labeo chrysophekadion): A Powerful Presence in…
  5. Top 10 Most Popular Types of Betta Fish: A Guide to Colorful…
  6. Apistogramma cacatuoides (Cockatoo): The Stunning Cockatoo of the…
  7. 20 Smallest Freshwater Aquarium Micro Fish That STAY Small
  8. How to Permanently Get Rid of Black Algae in an Aquarium?
  9. The Elegance of the Black Lace Angelfish: A Complete Guide 

Most Popular This Week:

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

Follow our Socials:


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

© 2025 Aquanswers - All Rights Reserved