Which Corydoras get the biggest?

What are the best Corydoras to keep in a tank?

There are other commonly kept Corydoras species worth a mention for those thinking about putting a few in their tank. Among those commonly kept are the Arched corydoras, (Corydoras arcuatus), pictured above, which is another fair-sized cory whose arched black band gives it its name and is a real favourite with many experienced keepers.

What is Corydoras pygmaeus?

So-called nano aquariums have recently carved themselves a niche interest area in our hobby and Corydoras pygmaeus is one of the common dwarf or ‘micro’ Corydoras very much suited to life in such a set-up. Unsurprisingly, it’s commonly known as the Pygmy cory and it-along with other similar small species such as C. habrosus and C.

Is there a species of Corydoras for me?

Chances are that if you have pretty much any size of community tank, and indeed many more specialised set-ups like river biotopes, then there is a species of Corydoras for you. So, how to shortlist a selection for this overview of the common species often offered for sale?

Do Corydoras rise to the surface?

Don’t confuse this with something that all Corydoras do naturally, and that is rapidly rise, usually vertically to the water surface, take in a gulp of air and expel it while coming back to rest.

Is it possible to keep Corydoras in an aquarium?

Be that as it may, when keeping corys, water stability is much more important than hitting the perfect ph and temperature, so do try to keep your aquarium conditions as stable as possible. Plus beware that some species like bandit cory are more sensitive to water variations than others like bronze cory.

What is another name for Corydoras pygmaeus?

Corydoras pygmaeus is commonly known as Pygmy Corydoras (Pygmy Cory) and Pygmy Catfish. Corydoras pygmaeus is often mistaken for Corydoras hastatus; this is because at one point, hastatus was the only known miniature Corydoras species.

Are Corydoras good house fish?

Corydoras are peaceful and adaptable fish; they never quarrel and will not cause stress to other inhabitants of the aquarium. Corydoras seem to have two tendencies in the aquarium: either resting on the substrate or searching for food.

Why is my Corydoras darting to the surface?

An unusual behaviour can be seen when the fish dart to the surface, take a gulp of air, and head back down to the substrate. This is perfectly normal – Corydoras have the ability to absorb oxygen from atmospheric air, and it is a normal part of their respiration.

How big do pygmy cory catfish get?

Pygmy Cory (Corydoras Pygmaeus) Pygmy cory catfish are one of the smallest types available and they rarely exceed 1 inch in length, making them amazing choices both for smaller tanks as well as for inexperienced keepers.

Can pygmy corydoras live in nano tanks?

Pygmy corydoras (Corydoras pygmaeus) is one of them. It is an amazing, small fish, that got its name due to its tiny size. This corydoras species are not as brightly colored as other fishes, but its size is its sufficient advantage. It allows keeping Pygmy corydoras even in nano tanks.

What are the three types of Corydoras?

The three miniature Corydoras species are the checker cory (C. habrosus), the dwarf cory (C. hastatus), and the pygmy cory (C. pygmaeus). All are truly tiny, reaching maturity at just about an inch (2.5 cm) for females and about threequarters of an inch (19 mm) for males.

Why is my fish darting around?

Your fish could be darting around because of the ammonia burning. Blood lines in fins could be from same thing. How often do you change some of the water? I think its because of high ammonia.did u check ur water parameters. Because of my disability, not often as I should.

Why does my Goldfish have blood in its tail?

Blood in the tail of a goldfish, coupled with distress behavior points to Nitrite poisoning, and with Nitrites at .5, this makes sense. Presence of Nitrite also suggests that your cycle has stalled or failed.

Why is my fish bumping against decoratios?

I did a 30 % water change earlier today. Is your fish bumping and/or rubbing against decoratios,tank walls etc? That is a sighn of external parasites.could you get a picture or a video of the fish in question for closer inspection.

How big do pygmy Corys get?

As the name suggests, Pygmy Cory is very small. Females tend to be roughly an inch long, but males are even smaller, reaching just 0.75 inches. Females are often broader than males too, especially when carrying eggs.

What does a pygmy cory catfish look like?

They look like most Corydoras Catfish, apart from their size. As the name suggests, Pygmy Cory is very small. Females tend to be roughly an inch long, but males are even smaller, reaching just 0.75 inches. Females are often broader than males too, especially when carrying eggs.

Can Corydoras get along with other fish?

It is a gentle giant, though, and will get along swimmingly with most other schooling species, including other Corys. Like other Corydoras members, it will tolerate most substrates, including regular aquarium gravel.

Why does my fish have NH3 and NO2-?

Both the ammonia and the nitrite are toxic to your fish, and this is surely causing much of the trouble. It could be that the ammonia load from your fish is just too much for the cycle to process, which is why the water is showing NH3 and NO2-.

How to tell if my fish is velvet?

FYI your fish looks a little shiny,that’ll suggest velvet.try shining a flashlight on it a nd look for a gold dusting effect.that’ll confirm my suspicions No, She doesnt have any gold dust or ich. It may have been the flash on my Blackberry. SHe has a very white scale and orange but no dusting.

Why is my Goldfish curling up?

Goldfish bent or in a curled position are suffering from nitrate poisoning. Nitrates destroy the blood cells causing extreme pressure and pain. In most cases, the goldfish keeper performs a large water change which worsens the condition.

Why is my fish bumping and/or rubbing?

Is your fish bumping and/or rubbing against decoratios,tank walls etc? That is a sighn of external parasites.could you get a picture or a video of the fish in question for closer inspection. Also, I am user name: Julia. I just made an account. I am no longer a guest. I will upload more pics on my page. FYI

Can tetras and Corydoras live together?

Corydoras, also known as cory catfish, are ideal tank mates for tetras. In the wild, you can see tetras and corydoras living together. Hence, housing them in the same tank makes sense. Just like tetras, corydoras are also non-aggressive and friendly.

Why is NH3 oxidized into NO2-by ammonia oxidizers?

NH3 is oxidized into NO2- by ammonia oxidizing bacteria and archaea because the oxidation number of N increases from -3 (NH3) to +5 (NO2-). Reduction refers to a decrease in the oxidation #.