Betta Fish
Practical betta fish guides covering health, diet, behaviour, habitat, and everyday care for pet owners.
27 guides
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Why Is My Betta Fish Bloated? Causes, Symptoms & Treatment
A bloated betta isn't always an emergency, but it can be. This guide breaks down every cause, from simple overfeeding to serious dropsy, so you can spot the difference early and treat your betta correctly before it's too late.
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Bacterial Infection in Betta Fish: Causes, Symptoms, and Treatment That Actually Works
Is your betta fish showing white patches, clamped fins, or sudden lethargy? Learn what causes bacterial infections in bettas, how to tell them apart from fungal or parasitic issues, and the step-by-step treatment that gives your fish the best chance.
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Betta Fish Cloudy Eye Treatment: Causes, Symptoms, and What to Do
Cloudy eye in betta fish is caused by bacterial infection, internal parasites, poor water quality, or nutritional deficiency. Treatment includes improving water conditions and using medications like Seachem Kanaplex, API Fin and Body Cure, or API General Cure depending on the cause.
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Can a Betta Fish Eat Goldfish Flakes? What Happens If You Do
Bettas can eat goldfish flakes in a pinch, but it's not safe long-term. Goldfish flakes lack the 40-45% animal protein bettas need. Regular feeding causes color fading, lethargy, and a weakened immune system. Always use betta-specific pellets as the daily staple.
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Best Fish Food for Bettas: A Complete Feeding Guide for a Healthy, Thriving Betta
The best fish food for bettas is a high-protein pellet with at least 40% crude protein as the daily staple. Supplement with frozen or live foods like bloodworms, brine shrimp, or daphnia two to three times per week. Feed adults twice daily, two to four pellets per meal, and fast one day per week.
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15 Gallon Betta Fish Tank: Complete Setup, Stocking & Maintenance Guide
A 15 gallon betta tank offers stable water conditions, space for live plants, tank mates, and essential equipment like a heater, sponge filter, and lid.
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Pregnant Betta Fish: Signs, Breeding, Egg Care, and What to Do Next
Betta fish do not become pregnant like mammals. A gravid female carries unfertilized eggs and may show a swollen belly, visible egg spot, and breeding stripes before spawning.
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Male vs Female Betta Fish: How to Tell the Difference (Complete Guide)
Male betta fish have longer fins, brighter colors, and often build bubble nests. Female bettas usually have shorter fins, a rounder body, and a visible white egg spot (ovipositor). The egg spot is the most reliable way to identify a female betta, while color and fin length alone can be misleading.
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Betta Fish Aquarium Ideas: A Complete Guide to Safe, Stunning Tank Design
The best betta fish aquarium ideas combine live or silk plants, smooth-edged hardscape like driftwood or rounded stones, and clear open swimming space. Popular styles include jungle aquascapes, blackwater tanks with tannin-releasing botanicals, minimalist nano setups, and Asian biotope designs. Always avoid sharp, abrasive, or painted decorations that can tear a betta's delicate fins.
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Best Betta Fish Tank Setup: The Complete Step-by-Step Guide
To set up a betta fish tank, start with a 5–10 gallon tank, a gentle sponge filter, and an adjustable aquarium heater set to 78–80°F. Add a water conditioner, substrate, and live plants, then cycle the tank for 4–6 weeks before adding your betta. Never add a betta to an uncycled tank.
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200+ Awesome Betta Fish Names: Funny, Cool & Unique Ideas by Color and Personality
Awesome betta fish names include options inspired by color, personality, mythology, and humor. Popular choices for male bettas include Blaze, Poseidon, and Midnight, while female bettas suit names like Luna, Scarlet, and Pearl. Choosing a name based on your betta's color, fin type, or attitude makes the name truly memorable and fitting.
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How to Acclimate a Betta Fish Safely (Step-by-Step Guide)
To acclimate a betta fish, float the sealed transport bag in the tank for 15–20 minutes to match temperature. Then add ¼ cup of tank water every 5 minutes for 20–30 minutes. Discard the bag water and gently net the betta into the tank. Never pour store water into the aquarium.
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Betta Fish White Spots on Fins: Causes, Diagnosis & Treatment Guide
White spots on betta fish fins are most commonly caused by ich (Ichthyophthirius multifiliis), a parasitic infection that appears as tiny salt-like white cysts on fin tissue. Less commonly, spots may indicate a fungal infection, velvet, or healing fin damage. Ich is treatable with elevated water temperature (82–86°F), aquarium salt, and antiparasitic medication when caught early.
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Why Is My Betta Fish Swimming Sideways? Causes, Treatments & Recovery
Your betta fish swimming sideways is often a swim bladder issue - and it's treatable. Learn the exact causes, step-by-step fixes, and when to call a vet.
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Do Betta Fish Like Bubblers? The Complete Guide to Safe Aeration
Betta fish don't require a bubbler due to their labyrinth organ, which lets them breathe air directly from the surface. However, a low-flow bubbler can improve dissolved oxygen levels in warm, unfiltered tanks. The key is keeping water movement gentle, strong currents stress bettas and can damage their fins.
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Double Tail Male Betta Fish: Complete Care, Genetics, Health & Buying Guide
A double tail male betta fish is one of those varieties that instantly grabs your attention. The split tail, wider finnage, and dramatic appearance make it look completely different from many standard bettas sitting beside it in a fish store.
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Best Plants for Betta Fish: Beginner-Friendly Choices That Improve Water Quality
A betta tank can look beautiful without live plants. The problem is that appearance and comfort are not always the same thing.
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Do Betta Fish Need a Filter? What Most Betta Owners Get Wrong
You walk past a shelf of betta cups at a pet store and notice something strange. None of those little containers have filters. That often leads to a simple question: do betta fish need a filter at all?
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Are Female Betta Fish Aggressive? Signs, Causes, and What Every Owner Should Know
You bought a female betta expecting a peaceful aquarium, then suddenly noticed chasing, flaring, or even fin nipping. Naturally, that raises a lot of questions.
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Do Betta Fish Change Color? Causes, Warning Signs & When to Worry
Your betta looked bright and colorful yesterday. Today, he suddenly seems darker, pale, or strangely different. Sounds worrying, right?
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Why Is My Betta Fish Turning White? Causes, Meaning & First Things To Check
You glance at your tank and suddenly something feels off. Your betta looks pale. Maybe the colors seem faded. Maybe there are white patches you swear were not there yesterday. If your betta fish is…
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Do Betta Fish Eat Algae? The Truth About Your Fish’s Diet & Tank Cleaning
You glance at your tank and notice green patches spreading across the glass. Then you catch your betta hovering nearby, pecking at something, and suddenly a question pops into your head: Wait… is he actually eating the algae?
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Can You Have Multiple Betta Fish in One Tank? The Complete Truth About Safe Betta Cohabitation
You just spotted your betta eyeing that second fish you added to the tank. Things seem peaceful so far—maybe they'll actually get along, right?
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How Long Can Betta Fish Go Without Food? Safe Timeline + Vacation Guide
You forgot to feed your betta. Now you're wondering if he'll be okay. Stressful, right?
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Can Betta Fish Lay Eggs Without a Male? The Truth Every Owner Should Know
Female bettas naturally produce eggs throughout their lives, even without a male present. These unfertilized eggs won't hatch, but the behavior is completely normal.
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The Complete Guide to Betta Fish Diseases and Cures
Your betta looked healthy yesterday. Today, he's hiding in a corner and refusing food. Frustrating, right?
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Do Betta Fish Sleep at Night? Complete Behavior & Health Guide
Your betta looked fine yesterday. Today, he's barely moving, tucked into a corner. Your heart races. Is he dying?
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