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Brochis splendensare deeper bodied, have a longer more pointed snout and have up to 12 soft dorsal rays image courtesy Ian Fuller & Corydorasworld.com Corydoras aeneus are more torpedo shaped, have a shorter rounded head and 7 or 8 soft dorasl rays. image courtesy Ian Fuller &...

Jollysue, Firstly you haven't offended me at all and it is not my intention to offend you, we obviously have different opinions, especially as to what defines "Man made" So let me ask how you would term or title the method of producing fish by un-natural means, which have produced un-natural...

Aspidoras are what I would term as true bottom dwellers, they are primarily found in the Matto Grosso region of central Brazil. Belonging to the family Corydoradinae, they require pretty much the same conditions as Corydoras in regards to feeding and water conditions, having said they have...

"man made" :rofl: Can you provide a link to the formula for making Corys (or any other form of life)?" Jollysue, It was not me that made the comment. And I did say IF you were referring..... I was not actually accusing you of anything. My post was made in an attempt to clear up the "Black"...

After talking to Hans about the "Blacks" and the species from Venezuela I am now sure the Venezuelan "Black" species is similar to C. venezulanus but larger and darker, the ones I have seen are not actually black. Ian

Sometimes I wonder how it is that people dispute fact and publicise fiction. I have stated how the 'Black' C. aeneus came to be several times, on several forums and I am sure here as well, but to clear up the origins of the 'Black' here is a statement from Hans-Georg Evers. "I knew the guy...

I would say that they are all C. aeneus. Ian

Once the dorsal fin has developed, which is usually by the end of the second week, al Corydoradinae species have there required number of fin rays, they do not increase in number as they get older. In actual fact young Brochis display a very large sail fin dorsal, but C. aeneus do not. What is...

One of my favourites. C. sterbai Picture courtesy Ian Fuller & Corydorasworld.com Ian

Adult C. paleatus grow to 65 mm SL (Body length)males and 70 mm SL (Body length) females. So I would say that your new fish still have some growing to do. And just for the record these fish can live for anything up to 20 years. Ian

As I said they may all get on great but there is the potential for a disaster, if for any reason the Botia's start to get territorial or breeding urges take over, just be watchful. Ian

Hi Lynda, I very rarely visit the Tropical fish Emergencies forum and because of this I obviously never saw your original post. I have seen this problem only a few times, but never on any of my own Corys, what I think is that the fish had a type of parasitic worm, these are very difficult to...

Where the hell did the dwarf gourami come from! I thought the question was "What type of cories are consider dwarf cories and does anyone have a link to info on them, Thank you" Ian

Sorry to be contradictive, but Corys and loaches, are bottom dwellers coming from two totally different continents, there reactions to each others actions and signals do not necessarily mean the same thing at the do to there own kind. Here I refer to Botias rather than the Nemacheilus or Pangio...

C. pygmaeus, C. hastatus, C. habrosus, C. cochui and C. sp C144 ARE dwarf species, but there are quite a number which grow only marginally larger. You can see thumbnail pictures of all the known Cory species Here, but to see all the species information and breeding pages you will need to be a...

C. hastatus are found naturally living up in the water often in the company of the small tetra Serrapinnus kriegi, Which has a similar colour pattern. You will find that the hastatus will school up with any group of small mid-water fish. Ian

I read this topic with great interest and feel that I ought to add my 2 pence worth. Firstly being an innovative type, a method to check the pH of the water in a bag without opening the bag would be quite easy using a hypodermic syringe. Firstly place the required drops of the chemical dye in...

Because the adults are eating the eggs straight away I would do the following. If eggs have been deposited on plant leaves, remove the leaves without actually touching the eggs. The same goes for eggs deposited on other removable objects. Newly laid eggs are quite delicate and although they are...

And me, Kiddy. Ian

Hi Ben, Have you done any searching to see what information is about on Cory breeding. in fact there is a mountain of stuff out there. There are quite a few that are considered easy spawners, but what's easy for one may not be easy for another. I would say that the two easiest species to breed...

Your fish is C. aeneus (bronze Cory) and looks to be a form from Colombia. There are populations found all over tropical and sub-tropical south America, which have all been cloaked under the the name C. aeneus, some of these are considered as separate distinct species in their own right, but it...

You will find full CSG show size lists for all Corydoras species here http://corydorasworld.com/corydoras, they are split into groups 'A' Corys under 57 mm SL (females) and 'B' over 57 mm SL. (females). Ian

Many of the tan bodied Corys can and will change their body colour according to mood, health or surroundings, I don't think it is anything to worry much about. You call the fish a "false bandit" your fish is a C. metae, which is the bandit Cory. Nothing false about it. Ian

The treatment that Bryan advocates and uses is Prazipro. It was as far as I know developed from an animal wormer, in animals the parasites, when killed (poisoned) are passed out with the faeces and any toxins that the dying parasite releases goes the same way. In fish the toxins can end up in...

The release of toxins is something that most if not all Corydoradinae Catfishes are capable of. Basically it is a defence mechanism that is released when the fish is being predated on. This would not under normal circumstances happen in the aquarium, unless the Corys were kept with large...

I would say C. melanotaenia, there are two forms one is a little stickier than the other. The images on planet catfish are not the best and do not show the fish in its best light. This is the best image I have right now, but it shows the potential colour, especially the fins. Ian picture...

The eggs from albino Corys (aeneus or paleatus) are usually about 2 mm in diameter, but C. elegans eggs are very small and are usually not much larger than 1 mm in diameter. Also the albino's will lay around 150 max, but C. elegans often produce several hundred eggs in a spawning. Ian

The courtship rituals of many species of Cory can be quite aggressive and it is not only with the long snouted species.Sometimes it is very difficult to distinguish between what is courting and what is aggression. Some species are indeed territorial, but many develop 'Alpha' pairs before mating...

The biggest danger with only having one or two specimens of several Cory species is that of cross breeding. I would suggest buying your Corys in groups of 5 or 6 to avoid any problems of hybridising. Ian

It looks to me that you have C. aeneus, C. napoensis and C. delphax. Ian

You are looking at either C. napoensis or C. bilineatus, both species are very similar in colour pattern and although they are a smallish Cory they are not a dwarf. The species C.nanus is a smaller similar species that comes from Suriname and is very rarely seen in the hobby. All three species...

Corydoras leucomelas Ian

The last picture is of C. venezuelanus, this species is scientifically listed as a synonym of C. aeneus, but to many myself included it is a true species. Ian

No offence taken, 70% fish stores get the naming of pygmaeus, hastatus and habrosus totally wrong. Added to this the fact the SA exporters will send all three plus A. pauciradiatus as C. hastatus just because they are more sort after than the rest. We have the same situation with everything with...

Just to keep the record straight, before C. bilineatus was described it was for a long time considered to be C. napoensis and in fact their colour patterns are very close and may even overlap making 100% positive identification difficult at times. C.bilineatus comes from Bolivia and C. napoensis...

Fishboy619, I think you have been relying on to many fish store labels. There are at least 10 so-called dwarf Corydoras species and a couple of Aspidoras that would also fall into this category. C. hastatus Picture courtesy Corydorasworld.com C. habrosus Picture courtesy Corydorasworld.com...

It is a Corydoras bilineatus. Picture courtesy Corydoras world Ian

Green Corys? Here a couple of so-called green or emerald corys, are any of them like yours. Brochis splendens Picture courtesy Corydoras world Corydoras aeneus (Wild from Trinidad) Picture courtesy Corydoras world Corydoras venezuelanus (Considered a synonym of C. aeneus) Picture courtesy...

Corys fighting!! They certainly do, well some of them anyway. More particularly the saddle snouted types such as C. semiaquilus and C. coriatae, also some of the Scleromystax also fight, with S. macropterus being the most aggressive. This usually takes place at the start of the breeding...

Madmon, From what I can see the fish is a Corydoras delphax, a better picture would help. Fishkies, I am seeing it more and more and it's becoming a pet hate of mine. I do not with to offend anyone using the name 'Corydora', but it is incorrect, the name is 'Corydoras' and it's the same...