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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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A stunning vibrant reef aquarium tank in a modern living room setting, crystal clear water with colorful corals including branching SPS corals, soft leather corals, zoanthids, and green star polyps, tropical fish swimming including clownfish and tangs
CCare Guides

The Ultimate Guide for a Stunning Reef Tank With Coral Colonies

  • byMohsin Iqbal
  • April 14, 2026
  • 58.6K views
Let me tell you, there’s nothing quite like staring into a thriving reef tank after a long day. It’s like…
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Home

SSetup & Maintenance
Planted home aquarium with tropical fish in a living room showing how household environments can affect aquarium health
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  • 5 minute read

9 Hidden Things in Your Home That Can Harm Your Aquarium

  • byMohsin Iqbal
  • April 13, 2026
  • 30.1K views
Most fishkeepers spend a lot of time thinking about filters, heaters, lighting, and aquascaping. I know I do.…
JJust For Fun
Person relaxing beside a planted aquarium full of tropical fish while a dog rests nearby in a cozy living room
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  • 5 minute read

10 Signs You’re a True Pet Lover (Fishkeepers Know the Feeling)

  • byElizabeth Sheehan
  • April 13, 2026
  • 26.0K views
If you’ve spent any time in the aquarium hobby, you’ve probably noticed something interesting: fishkeeping tends to turn…
SSetup & Maintenance
Empty tank transformed into vibrant aquarium
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  • 4 minute read

From Empty Tank to Fish Paradise: A Beginner’s Setup Guide

  • byMohsin Iqbal
  • April 12, 2026
  • 47.8K views
That empty glass box sitting on your stand? It doesn’t look like much right now. But give it…
JJust For Fun
Documentary Cover: ChasingCoral
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  • 4 minute read

6 Must-Watch Aquarium Documentaries for Hobbyists

  • byJulianne Turner
  • April 12, 2026
  • 22.1K views
If you’re an aquarium enthusiast, you are likely already familiar with the sensation of spending hours simply gazing…
SSetup & Maintenance
An aquarium with a fantail goldfish and a bristlenose pleco demonstrating the nitrogen cycle
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  • 5 minute read

Ammonia, Nitrite, Nitrate – Simplified! (Water Chemistry for New Fishkeepers)

  • byMohsin Iqbal
  • April 12, 2026
  • 24.2K views
If you’re just starting your fishkeeping journey, you’ve probably heard people talk about ammonia, nitrite, and nitrate like…
RReviews
CO2 cylinder and regulator setup beside a lush planted aquarium.
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  • 9 minute read

Where to Find the Best Affordable CO2 Systems for Planted Aquariums (2026 Review) 

  • byElizabeth Sheehan
  • April 11, 2026
  • 58.6K views
Finding an affordable and reliable CO2 system for a planted aquarium means knowing where to shop. Some stores…
SSetup & Maintenance
Fishless vs fish-in aquarium cycling comparison with water testing and healthy fish
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  • 5 minute read

Fishless vs Fish-In Cycling: Which Method Is Right for Beginners?

  • byMohsin Iqbal
  • April 9, 2026
  • 18.3K views
One of the very first dilemmas every new fishkeeper runs into is cycling the tank. I remember staring…
CCare Guides
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  • 5 minute read

Discus Fish Care Guide: Expert Tips For Beginners

  • byMohsin Iqbal
  • April 8, 2026
  • 31.4K views
Quick Facts Scientific Name:  Symphysodon aequifasciata Other Names:  pompadour fish, Heckel discus, red discus, cichlids Lifespan:  8 to…
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

  • byMohsin Iqbal
  • April 7, 2026
  • 45.0K views
If your house is anything like mine, a little zoo where the aquarium is trying its best to…
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

  • byElizabeth Sheehan
  • April 5, 2026
  • 27.5K 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)

  • byMohsin Iqbal
  • April 5, 2026
  • 16.8K 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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  • 9 minute read

Boesemani Rainbowfish Care Guide: Tank Setup, Types Of Fish

  • byElizabeth Sheehan
  • April 4, 2026
  • 52.9K 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

  • byMohsin Iqbal
  • April 2, 2026
  • 27.2K 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

  • byElizabeth Sheehan
  • April 2, 2026
  • 30.1K views
Aquariums are living classrooms, tiny ecosystems that pack a surprising punch when it comes to teaching biology, ecology,…
CCare Guides
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  • 5 minute read

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

  • byJulianne Turner
  • April 1, 2026
  • 60.1K views
If you’re like me, always tinkering with your reef tank and hunting for ways to keep it pristine…
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

  • byElizabeth Sheehan
  • April 1, 2026
  • 17.0K views
One of the most common mistakes I see with beginners is filling a tank straight from the tap…
SSetup & Maintenance
Aquarium with goldfish and supplies
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  • 4 minute read

First Aquarium Setup: 7 Must-Haves, 5 Skips

  • byMohsin Iqbal
  • April 1, 2026
  • 53.8K views
Starting your very first aquarium can feel like walking into a maze of endless options. Between the aisles…
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

  • byMohsin Iqbal
  • March 31, 2026
  • 67.3K views
Quick Facts Scientific Name: Amphiprion ocellaris Popular Snowflake Clownfish: Picasso, Premium, Extreme, Snowflake Onyx, Black, Standard, Black Ice.…
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

  • byJulianne Turner
  • March 31, 2026
  • 32.7K views
Quick Facts Scientific Name: Aplysia Other Names: California black sea hare, wedge sea hare, Aplysia Fasciata, Dolabella Auricularia,…
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

  • byElizabeth Sheehan
  • March 31, 2026
  • 49.9K 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

  • byMohsin Iqbal
  • March 31, 2026
  • 69.7K views
Welcome to the wonderful world of coral fragging! Think of it as underwater gardening, so whether you’re a…
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
  • March 31, 2026
  • 56.8K views
Quick Facts Scientific Name: Stenorhynchus seticornis Other Names: Spider Crabs, Arrowhead Crabs, Yellowline Arrow Reef Safe: Yes with…
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
  • March 31, 2026
  • 23.7K 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
  • March 31, 2026
  • 54.3K views
Quick Facts Scientific Name: Dascyllus trimaculatus Other Names /  Common Species: Threespot Dascyllus, Three Spot Damsel, Threespot Humbug,…
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

  • byElizabeth Sheehan
  • March 31, 2026
  • 46.4K views
Welcome to the fantastical world of Mysis Shrimp care! Did you know Mysis Shrimp are not only delicious…
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
  • March 31, 2026
  • 55.7K views
Congrats! If you are reading this 75 gallon fish tank guide it means you are either a pro,…
RReviews
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  • 5 minute read

The 4 Best 10 Gallon Saltwater Fish Tanks

  • byMillie Sheppard
  • March 31, 2026
  • 71.0K views
We get it, there are many saltwater nano tanks out there and since 10 gallons is quite popular,…
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
  • March 31, 2026
  • 38.7K views
Quick Facts Scientific Name: Arothron nigropunctatus Other Names /  Common Species: Black Spotted Puffer, Black-Spotted Pufferfish, Blackspotted Blaasop,…
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
  • March 31, 2026
  • 74.2K views
Quick Facts Scientific Name: Pomacanthus paru Other Names /  Common Species: French angelfish, French angel, Angelfish, Paru, Chaetodon…
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

  • byElizabeth Sheehan
  • March 31, 2026
  • 33.3K views
Quick Facts Scientific Classificaiton: Kingdom: Animalia. Phylum: Cnidaria. Class: Octocorallia. Order: Alcyonacea Other Names: Sea Fans, Sea Whips,…
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
  • March 31, 2026
  • 66.3K 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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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
  • March 31, 2026
  • 67.7K views
Quick Facts Scientific Name: Odonus niger Other Names: Red tooth triggerfish, Red fang triggerfish, Blue triggerfish, Red toothed…
CCare Guides
An Elegance Coral showing its colors in a saltwater aquarium
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  • 7 minute read

Elegance Coral Care: Frag, Diet, Tank Flow and Light

  • byMillie Sheppard
  • March 31, 2026
  • 28.1K views
Quick Facts Scientific Name: Catalaphyllia jardinei Other Names: Elegant coral, Ridge coral, and Wonder coral Water Flow: Moderate…
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
  • March 31, 2026
  • 27.0K views
Quick Facts Scientific Name: Galaxea fascicularis Other Names: Tooth coral, Galaxy coral, Star coral, Crystal coral, Starburst coral,…
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
  • March 31, 2026
  • 41.1K views
Quick Facts Scientific Name: Serranus tortugarum Other Names: Chalk Basslets Reef Safe: Yes Lifespan: 1-2 years Size: 2-3…
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
  • March 31, 2026
  • 34.6K views
Quick Facts Scientific Name: Neocirrhitus armatus Other Names: Red hawkfish, Brilliant hawkfish, Flame hawk Reef Safe: With caution…
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
  • March 31, 2026
  • 53.3K views
Quick Facts Other Names: Closed Brain Coral, Pineapple Coral and Moon Coral. Favia vs Favites:  Different skeletal walls.…
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
  • March 31, 2026
  • 73.5K views
Quick Facts Scientific Name: Synchiropus ocellatus Other Names /  Common Species: Scooter blenny, Scooter dragonet, Ocellated dragonet, Red…
SSaltwater Fish
A Christmas Wrasse swimming in a saltwater aquarium
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  • 7 minute read

Christmas Wrasse 101: Care, Diet, Mates and Breeding

  • byAlison Yang
  • March 31, 2026
  • 32.6K views
Quick Facts Scientific Name: Halichoeres claudia Other Names: Ornate Wrasse, Green-Barred Wrasse, Red-Lined Wrasse, Ladder Wrasse Reef Safe:…
CCare Guides
A flat looking Miarmi Hurricane Chalice Coral in a saltwater aquarium
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  • 8 minute read

Chalice Coral Care: Fragging, Feeding, Tank Light & Flow

  • byMillie Sheppard
  • March 31, 2026
  • 48.8K views
Quick Facts Scientific Name: Family: Pectiniidae. Genera: Echinophyllia, Echinopora, Oxypora, Mycedium. Other Names: Miami Hurricane Chalice, Hell’s Eye…

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