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Healthy fish guide hub
A reviewed store-side health guide for Guppy, Black Skirt Tetra, Pygmy Corydoras, Common Otocinclus, Roseline Shark or Denison Barb, Ranchu Goldfish, Jack Dempsey Cichlid, Cobalt Blue Zebra Cichlid, Bumblebee Catfish, Exclamation-point Rasbora. Photographs appear only when a suitable exact-species aquarium image and reuse record are available.
Read the guideEach guide explains what a result can tell you, what it cannot, and which aquarium details and data boundaries are worth understanding.
A reviewed store-side health guide for Guppy, Black Skirt Tetra, Pygmy Corydoras, Common Otocinclus, Roseline Shark or Denison Barb, Ranchu Goldfish, Jack Dempsey Cichlid, Cobalt Blue Zebra Cichlid, Bumblebee Catfish, Exclamation-point Rasbora. Photographs appear only when a suitable exact-species aquarium image and reuse record are available.
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A reviewed store-side health guide for Fancy Goldfish, Boesemani Rainbowfish, Green Neon Tetra, Rubberlip Pleco, Golden Wonder Killifish, Panda Garra, Green Terror Cichlid, Auratus Cichlid, Asian Stone Catfish, Neon Green Rasbora. Photographs appear only when a suitable exact-species aquarium image and reuse record are available.
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A reviewed store-side health guide for Freshwater Angelfish, White Cloud Mountain Minnow, Chili Rasbora, Glass Catfish, Threadfin Rainbowfish, Ryukin Goldfish, Gold Laser Corydoras, Demasoni Cichlid, Banjo Catfish, Rainbow Shiner. Photographs appear only when a suitable exact-species aquarium image and reuse record are available.
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A reviewed store-side health guide for Common Molly, Brilliant Rummy-nose Tetra, Pearl Danio, Upside-down Catfish, Spotted Blue-eye, Skunk Loach, Texas Cichlid, Kenyi Cichlid, Spotted Raphael Catfish, Western Mosquitofish. Photographs appear only when a suitable exact-species aquarium image and reuse record are available.
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A reviewed store-side health guide for Bronze or Albino Corydoras, Pearl Gourami, Bolivian Ram, Buenos Aires Tetra, Japanese Ricefish or Medaka, Ropefish, Redhook Silver Dollar, Johanni Cichlid, Redtail Catfish, Red Rainbowfish. Photographs appear only when a suitable exact-species aquarium image and reuse record are available.
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A reviewed store-side health guide for Swordtail, Celestial Pearl Danio, Cockatoo Dwarf Cichlid, Three-stripe Corydoras, Dwarf Neon Rainbowfish, African Butterflyfish, Silver Hatchetfish, Maingano Cichlid, Iridescent Shark Catfish, Turquoise Rainbowfish. Photographs appear only when a suitable exact-species aquarium image and reuse record are available.
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A reviewed store-side health guide for Bristlenose Pleco, Endler's Livebearer, Three-spot Gourami, Bloodfin Tetra, Clown Killifish, Elephantnose Fish, Salvini Cichlid, Blue Peacock Cichlid, Bleeding Heart Tetra, Parkinson's Rainbowfish. Photographs appear only when a suitable exact-species aquarium image and reuse record are available.
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A reviewed store-side health guide for Dwarf Gourami, Convict Cichlid, Chinese Algae Eater, Black Phantom Tetra, Zebra Loach, Red-eye Red-tail Puffer, Dwarf Pencilfish, Frontosa, Rosy Tetra, African Butterfly Cichlid. Photographs appear only when a suitable exact-species aquarium image and reuse record are available.
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A reviewed store-side health guide for Cherry Barb, Common Pleco, Yoyo Loach, Pristella or X-ray Tetra, Chocolate Gourami, African Leaf Fish, Red-head Tapajos Eartheater, Compressor Cichlid, Red Phantom Tetra, Agassiz's Dwarf Cichlid. Photographs appear only when a suitable exact-species aquarium image and reuse record are available.
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A reviewed store-side health guide for Discus, Black Neon Tetra, Bala Shark, Penguin Tetra, Dwarf Chain Loach, Clown Knifefish, Marbled Hatchetfish, Jewel Cichlid, Scissortail Rasbora, Glowlight Danio. Photographs appear only when a suitable exact-species aquarium image and reuse record are available.
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A reviewed store-side health check for Neon Tetra, Panda Corydoras, Lambchop Rasbora, Black Ghost Knifefish, Black Ruby Barb, Oranda, Blood Parrot, Red Zebra, Featherfin Squeaker, and Phoenix Rasbora.
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A healthy-looking fish can still be wrong for your aquarium. Use one focused workflow to assess the fish in front of you and compare the species with the tank you already own.
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A fishless cycle is not proven by a calendar. Use the pattern in ammonia, nitrite, nitrate, pH, and recent tank changes to decide whether to wait, verify, or correct the setup.
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A practical heat-response plan: verify the temperature, protect oxygen, reduce heat input, cool gradually, and record what changed.
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A practical way to compare subscription-free aquarium apps, including what TankWise gives one tank for free, what the one-time unlock covers, and where the app has limits.
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A store-side health check for Betta, common and comet Goldfish, Glowlight Tetra, Clown Pleco, Odessa Barb, Weather Loach, Flowerhorn, Electric Yellow Lab, Dwarf Synodontis, and Emerald Dwarf Rasbora.
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TankWise deliberately puts explainable decisions and local aquarium data ahead of an AI label. Here is what that means for your trust and control.
Read articleA practical, repeatable process for reading pH, ammonia, nitrite, nitrate, KH, and GH with better context.
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A species label cannot describe the aquarium you own. Learn which tank details make a compatibility comparison more meaningful.
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A number without a tank, time, unit, or method quickly loses meaning. Use a simple record that remains useful later.
Read articleSee how the physical testing holder and TankWise aquarium profile support different parts of the same freshwater workflow.