Quick Stats
| Adult Size | 6–7 cm |
| Minimum Tank | 20 gal |
| Temperature | 22–26°C |
| pH Range | 6.0–8.0 |
| Hardness (GH) | 5–19 dGH |
| Difficulty | Easy |
| Temperament | Peaceful, schooling |
| Diet | Omnivore — sinking pellets, frozen bloodworm, brine shrimp |
| Schooling | 6+ required (same species as bronze cory) |
Tank Setup
The Albino Cory is not a separate species — it is an albino form of Corydoras aeneus, the bronze cory. Pinkish-white body, red eyes, otherwise identical care. A 20 gallon long (30 × 12 inches) is the realistic minimum for a school of six; they reach 6–7 cm and they forage the substrate in a constant shuffle. They come from the same wide range across South America as the bronze cory — from Argentina and Uruguay up through Brazil, Colombia, and Venezuela — which is part of why they tolerate such a wide parameter range.
Maintain water parameters within: temperature 22–26°C, pH 6.0–8.0, hardness 5–19 dGH. That pH and hardness window is enormous — albino corys are one of the few fish that genuinely thrive in moderately hard, slightly alkaline tap water without any adjustment. They are the cory for the keeper who doesn't want to mess with RO water or pH buffers. The one thing they will not forgive is heat: above 28°C they become stressed and shorten their lifespan. Aim for 24–25°C, which overlaps nicely with most tetras and livebearers.
Set up the tank with smooth sand (no sharp gravel — they sift it through their gills and rough substrate erodes their barbels), driftwood, and dense planting along the back and sides. Leave open sand in the front for sifting. A sponge filter is plenty; moderate flow from a HOB or canister is fine but avoid strong currents. The one albino-specific consideration is lighting: albino fish lack the melanin that protects the eyes and skin from bright light, so they prefer dimmer lighting than their normally-pigmented bronze cousins. Floating plants, dimmed LEDs, or a dark substrate all help them feel secure. Avoid pointing high-intensity reef lights at an albino cory tank.
Tank Mates
Albino Corys are peaceful, bottom-foraging fish that never bother other species. They are also large enough (6–7 cm) that they are not prey for most community fish. That combination makes them one of the most versatile community bottom-dwellers available. The only wrinkle is that they school best with their own kind — but here's the key thing: bronze corys and albino corys are the same species, so they school together without issue.
Compatible tank mates include: other Albino Corys (mandatory), Bronze Corys (mandatory — same species, will school together as one group), Ember Tetras, Neon Tetras, Platy, Guppy, Molly, Swordtail, Harlequin Rasboras, Otocinclus, Bristlenose Plecos, Kribensis, Apistogramma, Nerite Snails, and Cherry Shrimp. They are the standard cory for livebearer tanks because they tolerate the harder, alkaline water that platys and mollies prefer. Avoid anything that grows large enough to swallow a 6 cm cory — large cichlids, big catfish, and aggressive species will harass or eat them.
Schooling is non-negotiable. Six is the absolute minimum; eight to ten is what I aim for. Like all corydoras they are a true schooling fish, and a group smaller than six will hide constantly, refuse food, and slowly waste away. The useful quirk here is that albino corys and bronze corys count as a single species — a mixed school of three albino and three bronze is a perfectly valid school of six, and they will school together, spawn together, and produce mixed bronze-and-albino fry. That makes them an easy way to add visible variety to a cory school without keeping two separate species. Buy them in a group, ideally from the same source at the same time, and aim for a mix of sexes.
Diet & Feeding
Albino Corys are omnivores that spend their day sifting sand for insect larvae, small crustaceans, and organic detritus. In the aquarium they accept sinking pellets, frozen bloodworms, frozen brine shrimp, live blackworms, and algae wafers. They are not fussy eaters, which is half the reason they are beginner-friendly — the other half is that they are tough enough to recover from a beginner's mistakes.
Feed small amounts twice daily. Sinking pellets (I use Hikari Sinking Wafers and Omega One Shrimp & Lobster Pellets) dropped in after lights-out reach them reliably. Twice-a-week frozen bloodworms or brine shrimp conditions them for spawning and keeps the iridescent sheen along their flanks bright. Algae wafers round out the diet and give them something to rasp on between feedings. A flake-only diet works for survival but the fish lose condition over months — barbel erosion is the classic sign of poor diet and rough substrate, and albino corys are no exception.
They are bottom feeders, so target-feed with sinking foods rather than relying on leftovers from surface-feeding tetras. In a community tank, the midwater fish will eat most of the flake food at the surface before it sinks, and the corys will go hungry without targeted feeding. Use a piece of rigid tubing or a turkey baster to deliver frozen food directly to the substrate where they forage. They will also pick at biofilm and detritus, which makes them a useful cleanup fish — but they will not eat algae off the glass. That is a snail or Otocinclus job.
Common Health Issues
Albino Corys are hardy once established, but they are scaleless-ish fish with sensitive barbels — which makes them vulnerable to two specific problems: barbel erosion from sharp substrate and bacterial infection from poor water quality. The single biggest health issue I see is eroded barbels from keeping them on rough gravel; switch to sand and the barbels regrow within a month. The second is red blotches on the belly, which is a bacterial infection almost always caused by dirty substrate — vacuum the sand weekly. New keepers sometimes mistake the natural pink belly of an albino cory for the red blotches of a bacterial infection; the difference is that bacterial redness is patchy and angry-looking, while healthy albino pink is uniform.
Like all corydoras they are susceptible to ich when stressed by temperature swings, and they are sensitive to many medications. Copper-based treatments and formalin-heavy medications are toxic at standard doses — dose at 50–75% of label rate or use malachite green-free alternatives specifically labelled safe for scaleless fish. Salt is also rough on corys; if you must treat with salt, use half-strength and only for a few days. The occasional dart to the surface to gulp air is normal — they are facultative air-breathers and have a modified intestine for atmospheric oxygen. If they are surfacing constantly, your water is low on oxygen and you need more surface agitation.
Prevention is straightforward: stable temperature (24–25°C is the sweet spot), weekly 25% water changes with dechlorinated water, smooth sand substrate, dimmer lighting that suits their albino eyes, and quarantine new fish for two weeks before adding them. Albino Corys typically live 5–8 years in good conditions, with the upper end coming from cooler tanks (22–24°C) and pristine water. The single best thing you can do for them is commit to sand — it is not optional for this fish.
Breeding
Albino Corys are egg-scatterers and breed so readily in a mature tank that accidental spawns are common — this is one of the easiest egg-layers to breed in captivity. Sexing is straightforward: females are noticeably wider and deeper-bodied, especially when viewed from above; males are slimmer and smaller. Captive-bred albino corys are produced commercially in enormous numbers, which is why they are inexpensive and almost always already acclimatised to aquarium life when you buy them. The albino form was originally a mutation that appeared in captive bronze cory stocks and was line-bred for the trait.
Condition a group with frozen bloodworms and live blackworms for a week, then trigger a spawn with a cool (20°C) 50% water change the morning after a warm day. Spawning happens in T-position — the female cups her pelvic fins together, releases 2–6 eggs into the basket she forms, the male fertilises them, and she carries them to a clean surface (glass, plant leaf, driftwood) and sticks them there. A group of six can produce 50–200 eggs across a morning — albino corys are prolific. Adults rarely eat eggs if well-fed, but for higher fry survival move the eggs to a separate container with an air-driven sponge filter.
Eggs hatch in 3–5 days at 25°C. Feed the fry infusoria or commercially-prepared liquid fry food for the first three days, then graduate to microworms or newly-hatched baby brine shrimp. Albino cory fry are robust and grow steadily, reaching 1.5 cm in about six weeks and joining the adult school at around three months. If you mix albino and bronze corys in the same spawning group, expect both forms in the fry — the albino gene is recessive, so two bronze carriers can produce albino offspring, while two albino parents always produce albino fry. The genetics are clean Mendelian, which makes this a fun species to demonstrate inheritance patterns in a home aquarium.
Frequently Asked Questions
Is the Albino Cory a different species from the Bronze Cory?
No — the albino cory is an albino form of Corydoras aeneus, the bronze cory. It is the same species in every meaningful way: it can school with bronze corys, will breed with bronze corys, and produces mixed bronze-and-albino offspring when crossed. The albino form was line-bred in captivity for the pink-white body and red eyes, but genetically it is still a bronze cory.
Why does my Albino Cory have red eyes?
Because it's an albino — the red you see is the blood inside the eye, visible because albinism prevents the formation of melanin that would normally colour the eye. This is completely normal for any albino animal and is not a sign of disease or distress. New keepers often find the red eyes alarming at first, but they are perfectly healthy and the fish sees just fine.
Are Albino Corys more sensitive to light?
Yes, slightly — albino fish lack the melanin that protects the eyes and skin from bright light, so they prefer dimmer lighting. They do fine in standard community tank lighting, but they will be more comfortable and more active in a tank with floating plants, dimmed LEDs, or a dark substrate. Avoid pointing high-intensity reef lights at an albino cory tank.
Can I keep Albino Corys with Bronze Corys?
Yes — they are the same species and will school together as a single group. A mixed school of albino and bronze corys is one of the easiest ways to add visible variety to a cory school without keeping two separate species. They will also spawn together and produce mixed bronze-and-albino fry, since the albino gene is recessive.