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Aquarium Source
Aquarium Source
  • Forum
  • Info & Tips
    • → Setup & Maintenance
    • Why Your Betta Fish Is Laying At The Bottom Of The Tank
    • Why Is My Goldfish Turning Black?
    • Why Your Betta Fish Isn’t Eating
    • Why Is My Goldfish Turning White? All Possible Causes
    • Dropsy In Fish: Your Guide To Symptoms & Treatment
    • More Info & Tips →
  • Care Guides
    • → Resources (fish groups)
    • Setup & Maintenance
    • Freshwater Fish
    • Saltwater Fish
    • Brackish Fish
    • Shrimp
    • Coral
    • Plants
    • More Care Guides →
  • Product Reviews
    • Best Rimless Aquarium Tanks
    • Top Nano Protein Skimmers
    • The Best Aquarium Heaters
    • Fluval FX4 Canister Filter Review
    • Our Favorite BioPellet Reactors
    • The Best Nano Protein Skimmers
    • Fluval FX6 Canister Filter Review
    • Best Self-Cleaning Fish Tanks
    • Top 5 Best Turtle Tank Heaters
    • Best Canister Filters
    • More Reviews →
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CCare Guides

Discus Fish Care Guide: Expert Tips For Beginners

  • byAquarium Source Editorial Staff
  • September 5, 2026
  • 31.6K views
Quick Facts Scientific Name:  Symphysodon aequifasciata Other Names:  pompadour fish, Heckel discus, red discus, cichlids Lifespan:  8 to…
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SSetup & Maintenance
20-gallon long no-heater freshwater aquarium with twelve White Cloud Mountain Minnows swim loosely through the open center above fine natural sand
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  • 8 minute read

How to Build a No-Heater Aquarium That Works

  • byAquarium Source Editorial Staff
  • September 5, 2026
  • 44.2K views
A no-heater aquarium can work beautifully when the room temperature remains within the livestock’s safe range. The best…
IInfo & Tips
Cat watching an aquarium and a dog sleeping on the floor.
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  • 6 minute read

Shared Spaces: Keeping Aquariums Healthy in Homes With Multiple Pets

  • byAquarium Source Editorial Staff
  • September 5, 2026
  • 45.2K views
If your house is anything like mine, a little zoo where the aquarium is trying its best to…
SSetup & Maintenance
three different 40-gallon freshwater aquarium concepts displayed side by side, left aquarium containing a cardinal tetra community with Corydoras, center aquarium featuring a planted aquascape with ember tetras, right aquarium built around a pair of German blue rams with sand and driftwood
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  • 7 minute read

3 Ways to Stock a 40-Gallon Aquarium

  • byAquarium Source Editorial Staff
  • September 4, 2026
  • 70.7K views
A 40-gallon breeder gives you enough room to build several genuinely different freshwater aquariums. It can become a…
SSetup & Maintenance
10-gallon freshwater aquarium with one healthy betta actively exploring a natural planted layout with Anubias, water sprite, smooth stones, and a small piece of driftwood, small sponge filter visible in a rear corner
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  • 7 minute read

The Best Way to Stock a 10-Gallon Aquarium

  • byAquarium Source Editorial Staff
  • September 4, 2026
  • 34.2K views
A 10-gallon aquarium works best when it is built around one clear stocking concept. Instead of combining several…
SSetup & Maintenance
20-gallon long freshwater community aquarium in a living room, with a small school of neon tetras swimming naturally, group of small Corydoras
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  • 10 minute read

How to Build a Better 20-Gallon Community Tank

  • byAquarium Source Editorial Staff
  • September 4, 2026
  • 65.1K views
The most reliable 20-gallon community tank is not built by squeezing in as many attractive fish as possible.…
SSetup & Maintenance
a freshwater aquarium filter comparison in a home fish room, a small sponge filter, hang-on-back filter, internal filter, undergravel plate
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  • 7 minute read

How to Choose the Right Aquarium Filter

  • byAquarium Source Editorial Staff
  • September 4, 2026
  • 51.7K views
The best aquarium filter is not automatically the largest, most powerful, or most expensive option. It is the…
JJust For Fun
People watching a Whale shark in Okinawa Churaumi Aquarium
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  • 4 minute read

Sharks in Aquariums: What We Can Learn from the Ocean’s Apex Predators

  • byAquarium Source Editorial Staff
  • September 2, 2026
  • 27.7K views
Let’s be honest, few creatures capture our imagination like sharks. They’re sleek, powerful, and sometimes misunderstood. From massive…
RReviews
A cartoonish robot with a light illuminating a fish tank providing automatic feedings.
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  • 4 minute read

23 Aquarium Gadgets You Didn’t Know You Needed (Until Now)

  • byAquarium Source Editorial Staff
  • September 2, 2026
  • 17.0K views
If you’re like me, you probably started your aquarium journey with the basics: a tank, some filters, a couple…
CCare Guides
A Melanotaenia-boesemani looking for food
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  • 10 minute read

Boesemani Rainbowfish Care Guide: Tank Setup, Types Of Fish

  • byAquarium Source Editorial Staff
  • September 1, 2026
  • 53.3K views
Quick Facts Scientific Name:  Melanotaenia boesemani Other Names:  Bicolor rainbowfish, Bosemani, Boes or Boeseman’s Lifespan:  5-8 years Size: …
JJust For Fun
Underwater aquarium located in Dubai mall. One of the largest aquariums in the world
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  • 4 minute read

Top 5 Largest Aquariums in the World That Will Amaze You

  • byAquarium Source Editorial Staff
  • August 31, 2026
  • 27.4K views
The world’s largest Aquariums COMBINED hold 157+ million liters of seawater across five continents. These facilities demonstrate how…
OOther
Freshwater aquarium in a science classroom
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  • 4 minute read

The Science of Aquariums: Writing About Ecology, Biology, and Sustainability

  • byAquarium Source Editorial Staff
  • August 30, 2026
  • 30.3K views
Aquariums are living classrooms, tiny ecosystems that pack a surprising punch when it comes to teaching biology, ecology,…
IInfo & Tips
Responsible aquarium fish breeding with adult fish and fry in planted tank
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  • 7 minute read

Breeding Aquarium Fish Without Overcrowding: A Responsible Fishkeeper’s Guide to Planning Future Tank Population

  • byAquarium Source Editorial Staff
  • August 30, 2026
  • 28.3K views
Breeding aquarium fish can be one of the most rewarding parts of fishkeeping. Watching eggs hatch, seeing tiny…
CCare Guides
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  • 5 minute read

Berghia Nudibranch: A Beginner’s Dive Into These Little Sea Slugs

  • byAquarium Source Editorial Staff
  • August 29, 2026
  • 60.3K views
If you’re like me, always tinkering with your reef tank and hunting for ways to keep it pristine…
SSetup & Maintenance
Aquarium with goldfish and supplies
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  • 4 minute read

First Aquarium Setup: 7 Must-Haves, 5 Skips

  • byAquarium Source Editorial Staff
  • August 29, 2026
  • 54.0K views
Starting your very first aquarium can feel like walking into a maze of endless options. Between the aisles…
SSetup & Maintenance
Pouring water into a fish tank
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  • 5 minute read

Tap Water Safe? How to Prep It for Aquariums Fast

  • byAquarium Source Editorial Staff
  • August 29, 2026
  • 17.2K views
One of the most common mistakes I see with beginners is filling a tank straight from the tap…
SSaltwater Fish
An Aplysia in a saltwater aquarium
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  • 11 minute read

Sea Hare Slug Care: Uncovering the Mysteries of Black and Other Aplysia Species

  • byAquarium Source Editorial Staff
  • August 29, 2026
  • 32.9K views
Quick Facts Scientific Name: Aplysia Other Names: California black sea hare, wedge sea hare, Aplysia Fasciata, Dolabella Auricularia,…
CCare Guides
Mysida shrimp in a saltwater aquarium
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  • 5 minute read

Mysis Shrimp: A Care Guide about their Diet, Breeding & Eggs

  • byAquarium Source Editorial Staff
  • August 29, 2026
  • 46.7K views
Welcome to the fantastical world of Mysis Shrimp care! Did you know Mysis Shrimp are not only delicious…
SSaltwater Fish
An Amphiprion-ocellaris looking for a hiding spot
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  • 12 minute read

Snowflake Clownfish Care: Lifespan, Types, Size and Breeding

  • byAquarium Source Editorial Staff
  • August 29, 2026
  • 67.5K views
Quick Facts Scientific Name: Amphiprion ocellaris Popular Snowflake Clownfish: Picasso, Premium, Extreme, Snowflake Onyx, Black, Standard, Black Ice.…
SSaltwater Fish
A Pseudanthias squamipinnis hanging out with some Snowflake Clownfish
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  • 8 minute read

Lyretail Anthias: Essential Care Guide for Reef Tank Enthusiasts

  • byAquarium Source Editorial Staff
  • August 28, 2026
  • 50.2K views
Quick Facts Scientific Name: Pseudanthias squamipinnis Other Names: orange basslet, lyretail coralfish, onestripe goldie, lyretail anthias, lyretail fairy…
CCare Guides
Hands holding coral frags
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  • 9 minute read

Coral Fragging Guide: All About Soft And Stony SPS & LPS

  • byAquarium Source Editorial Staff
  • August 28, 2026
  • 69.8K views
Welcome to the wonderful world of coral fragging! Think of it as underwater gardening, so whether you’re a…
SSaltwater Fish
A Chalk Bass swimming in a saltwater aquarium
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  • 7 minute read

Chalk Bass Care: Feeding, Lifespan, Breeding & Mates 

  • byAlison Yang
  • August 28, 2026
  • 41.3K views
Quick Facts Scientific Name: Serranus tortugarum Other Names: Chalk Basslets Reef Safe: Yes Lifespan: 1-2 years Size: 2-3…
CCare Guides
An Acan Coral showing its colors in a saltwater aquarium
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  • 7 minute read

Acan Coral Care: Fragging, Mates, Tank Flow and Light

  • byMillie Sheppard
  • August 28, 2026
  • 24.0K views
If you’re fascinated by the colorful and mesmerizing beauty of Acan corals, you’ve come to the right place.…
SSaltwater Fish
A domino damselfish in a saltwater aquarium
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  • 8 minute read

Domino Damsel Care: Diet, Mates, Diseases, Tank and Breeding

  • byMillie Sheppard
  • August 28, 2026
  • 54.7K views
Quick Facts Scientific Name: Dascyllus trimaculatus Other Names /  Common Species: Threespot Dascyllus, Three Spot Damsel, Threespot Humbug,…
SSaltwater Fish
A Niger Triggerfish swimming in a saltwater aquarium
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  • 8 minute read

Niger Triggerfish Facts: Reef Safe, Care, Mates and Diet

  • byAlison Yang
  • August 28, 2026
  • 68.0K views
Quick Facts Scientific Name: Odonus niger Other Names: Red tooth triggerfish, Red fang triggerfish, Blue triggerfish, Red toothed…
SSaltwater Fish
A Pomacanthus paru looking for food
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  • 8 minute read

French Angelfish Care: Diet, Breeding, Mates and Tank Setup

  • byMillie Sheppard
  • August 28, 2026
  • 74.5K views
Quick Facts Scientific Name: Pomacanthus paru Other Names /  Common Species: French angelfish, French angel, Angelfish, Paru, Chaetodon…
RReviews
75-Gallon Landen Fish Tank
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  • 8 minute read

75 Gallon Fish Tanks: Weight, Size, Stand, Filter and Lighting

  • byAlison Yang
  • August 28, 2026
  • 56.0K views
Congrats! If you are reading this 75 gallon fish tank guide it means you are either a pro,…
SSaltwater Fish
A dog-faced puffer fish in a saltwater aquarium
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  • 7 minute read

Dog-Faced Puffer 101: Care, Diet, Mates, Teeth and Tank Size

  • byMillie Sheppard
  • August 28, 2026
  • 39.1K views
Quick Facts Scientific Name: Arothron nigropunctatus Other Names /  Common Species: Black Spotted Puffer, Black-Spotted Pufferfish, Blackspotted Blaasop,…
SSaltwater Fish
An Arrow Crab swimming in a saltwater aquarium
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  • 7 minute read

Arrow Crab 101: Diet, Mates, Breeding & Behavior

  • byMillie Sheppard
  • August 28, 2026
  • 57.2K views
Quick Facts Scientific Name: Stenorhynchus seticornis Other Names: Spider Crabs, Arrowhead Crabs, Yellowline Arrow Reef Safe: Yes with…
SSaltwater Fish
An Ocellated Dragonet scooping at the bottom of the tank
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  • 9 minute read

Scooter Blenny Care: Tank Setup, Mates, Diet and Breeding

  • byMillie Sheppard
  • August 28, 2026
  • 73.9K views
Quick Facts Scientific Name: Synchiropus ocellatus Other Names /  Common Species: Scooter blenny, Scooter dragonet, Ocellated dragonet, Red…
CCare Guides
A War Favia Brain Coral showing its colors in a saltwater aquarium
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  • 8 minute read

Favia Brain Coral Care: Feeding, Growth, Frag and Mates

  • byMillie Sheppard
  • August 28, 2026
  • 53.5K views
Quick Facts Other Names: Closed Brain Coral, Pineapple Coral and Moon Coral. Favia vs Favites:  Different skeletal walls.…
CCare Guides
A Galaxea Coral in a saltwater aquarium
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  • 9 minute read

Galaxea Coral Care: Placement, Feed, Frag, Growth and Colors

  • byAlison Yang
  • August 28, 2026
  • 27.4K views
Quick Facts Scientific Name: Galaxea fascicularis Other Names: Tooth coral, Galaxy coral, Star coral, Crystal coral, Starburst coral,…
CCare Guides
Gorgonians looking like sea fans in a large aquarium
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  • 11 minute read

Gorgonians Care Guide: The Best Coral Sea Fans For Your Tank

  • byAquarium Source Editorial Staff
  • August 28, 2026
  • 33.6K views
Quick Facts Scientific Classificaiton: Kingdom: Animalia. Phylum: Cnidaria. Class: Octocorallia. Order: Alcyonacea Other Names: Sea Fans, Sea Whips,…
SSaltwater Fish
A fire shrimp swimming in a saltwater aquarium
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  • 8 minute read

Fire Shrimp Care Guide: Size, Reef Safety, Diseases & Mates

  • byMillie Sheppard
  • August 28, 2026
  • 59.1K views
Welcome to the wonderful world of red fire shrimp care! If you’re looking to add a splash of…
RReviews
Read More
  • 5 minute read

The 4 Best 10 Gallon Saltwater Fish Tanks

  • byMillie Sheppard
  • August 28, 2026
  • 71.2K views
We get it, there are many saltwater nano tanks out there and since 10 gallons is quite popular,…
SSaltwater Fish
A Longnose hawkfish swimming in a saltwater aquarium
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  • 7 minute read

Longnose Hawkfish Care: Diet, Mates, Tank and Breeding

  • byMillie Sheppard
  • August 28, 2026
  • 43.2K views
Quick Facts Scientific Name: Oxycirrhites typus Other Names: Long-nose hawkfish, Longnose hawk, Hawaiian hawk-fish, Pilikoa Reef Safe: With…
SSaltwater Fish
Two Siganus vulpinus looking for food
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  • 8 minute read

Foxface Rabbitfish Care: Diet, Lifespan, Mates and Venom

  • byAlison Yang
  • August 28, 2026
  • 61.1K views
Quick Facts Scientific Name:  Siganus vulpinus Other Names: Foxface, black-face rabbitfish or common foxface Venomous: Yes Lifespan:  5…
SSaltwater Fish
A Flame Hawkfish swimming in a saltwater aquarium
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  • 8 minute read

Flame Hawkfish 101: Diet, Mates, Setup, Care and Breeding

  • byAlison Yang
  • August 28, 2026
  • 34.8K views
Quick Facts Scientific Name: Neocirrhitus armatus Other Names: Red hawkfish, Brilliant hawkfish, Flame hawk Reef Safe: With caution…
SSaltwater Fish
A Firefish Goby swimming in a saltwater aquarium
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  • 8 minute read

Firefish Goby Care: Diet, Diseases, Tank Mates & Size

  • byAlison Yang
  • August 28, 2026
  • 57.1K views
Welcome to our comprehensive Firefish Goby care guide! The Firefish Goby, also known as the Fire Dartfish, is…
SSaltwater Fish
A pink margin fairy wrasse swimming in a saltwater aquarium
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  • 9 minute read

Fairy Wrasse 101: Diet, Mates, Diseases and Breeding

  • byAlison Yang
  • August 28, 2026
  • 54.2K views
Fairy Wrasses are known not only for their vibrant colors but also for their playful nature, darting and…
CCare Guides
Bubble algae spreading in a saltwater aquarium
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  • 7 minute read

Bubble Algae Eating Fish, Cutting it Open and Removal

  • byMillie Sheppard
  • August 28, 2026
  • 66.7K views
Welcome to our Bubble Algae Removal Care Guide! Whether you’re a beginner or experienced hobbyist, we’ve got you…

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