https://www.fishcareai.com/ New aquarium fish care guides, species care sheets and fish health troubleshooting from FishCare AI. en-us Mon, 28 Sep 2026 10:17:16 GMT 1440 https://www.fishcareai.com/assets/pwa/icon-192.png https://www.fishcareai.com/ https://www.fishcareai.com/fish-health/oscar-white-spots https://www.fishcareai.com/fish-health/oscar-white-spots Mon, 28 Sep 2026 10:17:16 GMT Salt-grain white spots all over an oscar are usually ich; pale pits on the head are hole-in-the-head (HLLE). How to tell them apart and treat each one. https://www.fishcareai.com/fish-health/neon-tetra-hiding https://www.fishcareai.com/fish-health/neon-tetra-hiding Mon, 28 Sep 2026 10:17:16 GMT Neon tetras hide when the group is too small, the tank is bright and bare, or they are new. How to check, and when hiding points to neon tetra disease. https://www.fishcareai.com/fish-health/honey-gourami-hiding https://www.fishcareai.com/fish-health/honey-gourami-hiding Mon, 28 Sep 2026 10:17:16 GMT Honey gouramis are shy and hide in open tanks or with boisterous fish. How to tell shyness from stress or illness, and how to get yours out in the open. https://www.fishcareai.com/fish-health/guppy-hiding https://www.fishcareai.com/fish-health/guppy-hiding Mon, 28 Sep 2026 10:17:16 GMT A hiding female guppy is often close to giving birth or escaping males. How to check, fix the male-to-female ratio, and spot illness in a hiding guppy. https://www.fishcareai.com/fish-health/dwarf-gourami-losing-color https://www.fishcareai.com/fish-health/dwarf-gourami-losing-color Mon, 28 Sep 2026 10:17:16 GMT A fading dwarf gourami is usually stressed or not displaying, but dwarf gouramis often carry iridovirus (DGIV). How to tell the difference and what to do. https://www.fishcareai.com/fish-health/koi-not-eating https://www.fishcareai.com/fish-health/koi-not-eating Mon, 28 Sep 2026 10:15:10 GMT Koi eat less as ponds cool and barely at all in cold water. How to tell a normal seasonal slowdown from low oxygen, parasites or koi herpesvirus. https://www.fishcareai.com/fish-health/guppy-rapid-breathing https://www.fishcareai.com/fish-health/guppy-rapid-breathing Mon, 28 Sep 2026 10:15:10 GMT A guppy breathing fast is usually reacting to ammonia, nitrite, low oxygen or heat. What to test first, when it is gill flukes, and how to fix it today. https://www.fishcareai.com/fish-health/guppy-curled-body https://www.fishcareai.com/fish-health/guppy-curled-body Mon, 28 Sep 2026 10:15:10 GMT A bent guppy is often born that way, but a sudden curl means test the water today. How to tell inherited curves from toxins and mycobacteriosis. https://www.fishcareai.com/fish-health/flowerhorn-cichlid-losing-color https://www.fishcareai.com/fish-health/flowerhorn-cichlid-losing-color Mon, 28 Sep 2026 10:15:10 GMT A flowerhorn losing its black markings is usually a natural fader. How to tell fading from stress, boosted shop colour, diet and water problems. https://www.fishcareai.com/fish-health/flowerhorn-cichlid-cloudy-eyes https://www.fishcareai.com/fish-health/flowerhorn-cichlid-cloudy-eyes Mon, 28 Sep 2026 10:15:10 GMT A cloudy eye on a flowerhorn is most often an injury or poor water, not a disease. How to tell one eye from both, when it is infection, and what to do. https://www.fishcareai.com/fish-health/flowerhorn-cichlid-aggressive https://www.fishcareai.com/fish-health/flowerhorn-cichlid-aggressive Mon, 28 Sep 2026 10:15:10 GMT A flowerhorn that turns aggressive is usually maturing, ready to breed or defending new territory. How to find the trigger and keep tank mates safe. https://www.fishcareai.com/fish-health/ember-tetra-losing-color https://www.fishcareai.com/fish-health/ember-tetra-losing-color Mon, 28 Sep 2026 10:15:10 GMT Pale ember tetras are usually young, female, new or stressed. How to bring back the orange-red with the right group, tank, diet and water. https://www.fishcareai.com/fish-health/cardinal-tetra-white-spots https://www.fishcareai.com/fish-health/cardinal-tetra-white-spots Mon, 28 Sep 2026 10:15:10 GMT Salt-grain white spots on a cardinal tetra are almost always ich. How to confirm it, treat safely in soft water, and rule out velvet, cysts and columnaris. https://www.fishcareai.com/fish-health/cardinal-tetra-losing-color https://www.fishcareai.com/fish-health/cardinal-tetra-losing-color Mon, 28 Sep 2026 10:15:10 GMT Cardinal tetras fade every night and when stressed. How to tell normal pallor from bright-light, water or neon tetra disease problems, and what to fix. https://www.fishcareai.com/fish-health/blood-parrot-cichlid-swimming-sideways https://www.fishcareai.com/fish-health/blood-parrot-cichlid-swimming-sideways Mon, 28 Sep 2026 10:15:10 GMT Blood parrots are prone to buoyancy problems from their hybrid body shape. How to tell a feeding issue from bad water or infection, and what to do today. https://www.fishcareai.com/fish-health/blood-parrot-cichlid-losing-color https://www.fishcareai.com/fish-health/blood-parrot-cichlid-losing-color Mon, 28 Sep 2026 10:15:10 GMT A blood parrot that fades after purchase is usually losing colour food or dye, not sick. How to read the colour change and when it signals a problem. https://www.fishcareai.com/fish-health/black-neon-tetra-pale-color https://www.fishcareai.com/fish-health/black-neon-tetra-pale-color Mon, 28 Sep 2026 10:15:10 GMT A black neon's dark band fades with stress, a pale bright tank and at night. How to tell normal fading from water problems or neon tetra disease. https://www.fishcareai.com/fish-health/black-neon-tetra-hiding https://www.fishcareai.com/fish-health/black-neon-tetra-hiding Mon, 28 Sep 2026 10:15:10 GMT Black neon tetras hide when newly moved, kept in too small a group or with bullies. How to tell normal shyness from water problems or early disease. https://www.fishcareai.com/fish-health/betta-fish-black-spots https://www.fishcareai.com/fish-health/betta-fish-black-spots Mon, 28 Sep 2026 10:15:10 GMT Flat black patches on a betta are usually marble colour genes or pigment returning after injury. When it is ammonia, a tumour or true black spot disease. https://www.fishcareai.com/fish-health/honey-gourami-bloated https://www.fishcareai.com/fish-health/honey-gourami-bloated Mon, 28 Sep 2026 10:12:44 GMT A tiny honey gourami bloats easily on too much dry food, and ripe females swell with eggs. How to tell these from dropsy, worms or gourami iridovirus. https://www.fishcareai.com/fish-health/giant-gourami-bloated https://www.fishcareai.com/fish-health/giant-gourami-bloated Mon, 28 Sep 2026 10:12:44 GMT A bloated giant gourami is usually overfed on rich food; mature females also fill with eggs. How to tell these from bacterial infection and ISKNV. https://www.fishcareai.com/fish-health/common-pleco-torn-fins https://www.fishcareai.com/fish-health/common-pleco-torn-fins Mon, 28 Sep 2026 10:12:44 GMT Torn fins on a common pleco usually come from tank mates, tight caves or nets. How to tell a clean injury from fin rot, and how to help fins regrow. https://www.fishcareai.com/fish-health/common-pleco-not-eating https://www.fishcareai.com/fish-health/common-pleco-not-eating Mon, 28 Sep 2026 10:12:44 GMT Most plecos that seem to refuse food are eating after dark or losing food to tank mates. How to check the belly, what to feed, and when it is illness. https://www.fishcareai.com/fish-health/common-pleco-losing-color https://www.fishcareai.com/fish-health/common-pleco-losing-color Mon, 28 Sep 2026 10:12:44 GMT Plecos lighten and darken with light, background and mood. How to tell a normal colour shift from stress, bad water or infection causing pale patches. https://www.fishcareai.com/fish-health/common-pleco-hiding https://www.fishcareai.com/fish-health/common-pleco-hiding Mon, 28 Sep 2026 10:12:44 GMT Common plecos hide by day because they are nocturnal. How to confirm yours is feeding at night, and the signs that hiding means stress or illness. https://www.fishcareai.com/fish-health/bristlenose-pleco-torn-fins https://www.fishcareai.com/fish-health/bristlenose-pleco-torn-fins Mon, 28 Sep 2026 10:12:44 GMT Torn fins on a bristlenose pleco usually mean males fighting over caves. How to tell fight damage from fin rot, and how many caves and males to keep. https://www.fishcareai.com/fish-health/bristlenose-pleco-pale-color https://www.fishcareai.com/fish-health/bristlenose-pleco-pale-color Mon, 28 Sep 2026 10:12:44 GMT Bristlenose plecos lighten and darken to match their background, so brief paleness is normal. How to tell it from stress, bad water or disease. https://www.fishcareai.com/fish-health/bristlenose-pleco-not-eating https://www.fishcareai.com/fish-health/bristlenose-pleco-not-eating Mon, 28 Sep 2026 10:12:44 GMT Most bristlenose that seem not to eat are grazing at night, settling in, or a male guarding eggs. How to check droppings and belly, and when to worry. https://www.fishcareai.com/fish-health/bristlenose-pleco-bloated https://www.fishcareai.com/fish-health/bristlenose-pleco-bloated Mon, 28 Sep 2026 10:12:44 GMT A round-bellied bristlenose is usually overfed or a female full of eggs. How to sex it, check the belly and tell diet bloat from dropsy or parasites. https://www.fishcareai.com/fish-health/weather-fish-jumping https://www.fishcareai.com/fish-health/weather-fish-jumping Mon, 28 Sep 2026 10:10:23 GMT Weather loaches get restless and jump when air pressure changes, which is how they got their name. Why yours is jumping and how to stop it escaping. https://www.fishcareai.com/fish-health/weather-fish-floating https://www.fishcareai.com/fish-health/weather-fish-floating Mon, 28 Sep 2026 10:10:23 GMT Weather loaches gulp air, but one that hangs at the surface is usually too warm or short of oxygen. How to tell normal air breathing from real trouble. https://www.fishcareai.com/fish-health/silver-arowana-not-eating https://www.fishcareai.com/fish-health/silver-arowana-not-eating Mon, 28 Sep 2026 10:10:23 GMT A new silver arowana often refuses food for days. How to tell settling-in stress and food refusal from cold water, poor water quality and illness. https://www.fishcareai.com/fish-health/silver-arowana-jumping https://www.fishcareai.com/fish-health/silver-arowana-jumping Mon, 28 Sep 2026 10:10:23 GMT Silver arowana leap from the water to catch insects in the wild, so jumping in a tank is instinct. Why it happens, what triggers it and how to stop injuries. https://www.fishcareai.com/fish-health/oscar-jumping https://www.fishcareai.com/fish-health/oscar-jumping Mon, 28 Sep 2026 10:10:23 GMT Oscars jump when startled, often by lights switched on in a dark room, or when lunging for food. How to stop it and rescue an oscar on the floor. https://www.fishcareai.com/fish-health/molly-jumping https://www.fishcareai.com/fish-health/molly-jumping Mon, 28 Sep 2026 10:10:23 GMT Female mollies flee relentless males; mollies gasping at the surface mean low oxygen. How to tell which, fix it today, and save a molly on the floor. https://www.fishcareai.com/fish-health/guppy-jumping https://www.fishcareai.com/fish-health/guppy-jumping Mon, 28 Sep 2026 10:10:23 GMT Guppies are proven jumpers, and females chased by males try hard to get away. How to tell that from bad water, and what to do for a guppy found on the floor. https://www.fishcareai.com/fish-health/goldfish-jumping https://www.fishcareai.com/fish-health/goldfish-jumping Mon, 28 Sep 2026 10:10:23 GMT A goldfish that jumps is usually escaping stale water: low oxygen or ammonia in a small, crowded tank. How to test, fix it today and rescue a fish on the floor. https://www.fishcareai.com/fish-health/betta-fish-jumping https://www.fishcareai.com/fish-health/betta-fish-jumping Mon, 28 Sep 2026 10:10:23 GMT Bettas live at the surface and jump readily. Why yours leaps — open tank, strong filter, cold or dirty water — and how to rescue a betta found on the floor. https://www.fishcareai.com/fish-health/betta-fish-floating https://www.fishcareai.com/fish-health/betta-fish-floating Mon, 28 Sep 2026 10:10:23 GMT A betta at the surface is often just resting or breathing air. How to tell normal rest from overfeeding, swim bladder trouble and a fish that is dying. https://www.fishcareai.com/fish-health/guppy-bloated https://www.fishcareai.com/fish-health/guppy-bloated Mon, 28 Sep 2026 09:47:01 GMT A bloated female guppy is usually pregnant. How to check the gravid spot, and how to tell overfeeding, Camallanus worms and dropsy apart. https://www.fishcareai.com/guides/how-to-get-rid-of-algae-in-fish-tank/ https://www.fishcareai.com/guides/how-to-get-rid-of-algae-in-fish-tank/ Sat, 19 Sep 2026 07:05:16 GMT How to get rid of algae in fish tank glass, gravel and plants in 7 steps: light, nutrients, water changes, scrubbing, flow, algae eaters and safe drops. https://www.fishcareai.com/guides/canister-filter/ https://www.fishcareai.com/guides/canister-filter/ Sat, 19 Sep 2026 07:05:16 GMT Filtration canister guide: how a tank canister filter works, the flow rate per gallon, what media to load, how often to clean it and what public aquariums use. https://www.fishcareai.com/guides/black-beard-algae/ https://www.fishcareai.com/guides/black-beard-algae/ Sat, 19 Sep 2026 07:05:16 GMT Black beard algae identified and treated: what causes BBA, how to kill it with hydrogen peroxide and siamese algae eaters, and how it differs from brown algae. https://www.fishcareai.com/guides/algae-eater-fish/siamese-algae-eaters/ https://www.fishcareai.com/guides/algae-eater-fish/siamese-algae-eaters/ Sat, 19 Sep 2026 07:05:16 GMT Siamese algae eaters explained: how to tell a true SAE from the flying fox and chinese algae eater fish, what they eat, tank size and why they stop grazing. https://www.fishcareai.com/guides/algae-eater-fish/ https://www.fishcareai.com/guides/algae-eater-fish/ Sat, 19 Sep 2026 07:05:16 GMT Algae eater fish compared by tank size and algae type: otocinclus, siamese algae eater, bristlenose pleco, nerite snail and amano shrimp, plus the two to avoid. https://www.fishcareai.com/guides/grouper-fish-care/water-parameters/ https://www.fishcareai.com/guides/grouper-fish-care/water-parameters/ Thu, 17 Sep 2026 14:43:15 GMT Grouper fish water parameters: 74–80°F, salinity 1.023–1.026, pH 8.1–8.4, nitrate under 30 ppm, and the skimmer and water changes a predator's bioload demands. https://www.fishcareai.com/guides/grouper-fish-care/types/ https://www.fishcareai.com/guides/grouper-fish-care/types/ Thu, 17 Sep 2026 14:43:15 GMT Types of grouper fish for the aquarium: miniatus, panther, leopard, bluespotted, lyretail and blue-line hind compared by adult size, minimum tank, temperament. https://www.fishcareai.com/guides/grouper-fish-care/tank-size/ https://www.fishcareai.com/guides/grouper-fish-care/tank-size/ Thu, 17 Sep 2026 14:43:15 GMT Grouper fish tank size by species: 75–100 gallons for dwarf hinds, 100–125 for miniatus, 180 for panther groupers, 180–300 for bluespotted and lyretail. https://www.fishcareai.com/guides/grouper-fish-care/tank-mates/ https://www.fishcareai.com/guides/grouper-fish-care/tank-mates/ Thu, 17 Sep 2026 14:43:15 GMT Grouper fish tank mates: the lionfish, tangs, angels, triggers and eels that work, the clownfish, gobies and shrimp that get eaten, and reef safety. https://www.fishcareai.com/guides/grouper-fish-care/size-lifespan/ https://www.fishcareai.com/guides/grouper-fish-care/size-lifespan/ Thu, 17 Sep 2026 14:43:15 GMT Grouper fish size in the aquarium by species (8 inches for dwarf hinds to 30 for lyretail), growth of 6–10 inches in year one, and a lifespan of 10–20 years.