CorydorasEthan

I've never kept clown loaches before, but from what I've read, they are quite peaceful with other fish of all sizes. Just take care that all the bottom dwellers will recieve enough food! Clown loaches mainly eat worms, small crustaceans, and snails, so there is little risk that they will eat the other smaller fish that you mentioned. How many clown loaches are you planning on and what size aquarium? I hope this helps!

@Zeaqua A 40 breeder is perfect for an all Corydoras tank. Great idea! In my experience, pygmy cories will be timid at first but once they are used to the surroundings they will come out a lot more, especially when in a bigger group. It might also help to have a group of other small fish to make them feel a little more safe, and thus more active. Of course, you have to be make sure that the other fish won't eat the pygmy cory eggs - fish that come to mind would be any one of the Boraras species of rasbora (chili rasbora, least rasbora, etc.), or maybe dwarf pencilfish. I hope this helps!

Hi Tuppins, welcome to the forum! I've never actually kept silvertip tetras before, but from what I've heard, they may tend to get a little nippy, or outcompete with slower moving fish when it comes to feeding time. This Aquarium Co-Op article says something similar as well. https://www.aquariumcoop.com/blogs/aquarium/silver-tip-tetras. Nonetheless, the article also recommends dwarf gourami as a suitable tank mate. In my experience, dwarf and pearl gourami are always fairly quick to food. I've kept them with guppies, not quite as boisterous as the tetras, but something to compare to at the very least. I would say as long as you moniter the inhabitants during feeding and make sure that everyone is getting enough food, it should work out fine. I hope this helps!

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Welcome! Those tanks look phenomenal!

I have not, but I will check it out! Thanks for the suggestion!

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They look great! Paleatus cories are definitely some of my favorites!

I've never kept either of these before, but according to what I've read, both should do fine in your aquarium, as well as get along with your other fish. Your choice!

I remember playing around with this website all the time before I got an aquarium lol. I'm surprised that it says I am understocked, in the past mine's always been overstocked (I guess moving the guppies to a different tank helped!).

Um, honestly I'm not really sure. A school of them might be a little cramped in a 40 gallon. Maybe you could try going for emperor tetras instead? They are a slightly smaller than the Congos and shouldn't require as much space. Other larger tetras you could try are diamond tetras or bleeding heart tetras.

I just collect them from off the ground in my local park, let them dry for a few days, and then put them in the tank without problems. However, remember to check to make sure there are no chemicals sprayed on the trees or the ground where you collect them, because this can be dangerous for the fish. I hope this helps!

Yeah I think so. Certain species within a given lineage are more closely related to each other than with other lineages (measured by their DNA). They also share certain physical features that might set them apart from the other groups. For example, the cories in lineage 5 (C. elegans, C. napoensis, C. nanus, etc.) all have a similar coloration pattern, mouths situated slightly farther up on their heads, and tend to swim above the substrate rather than directly on it as most cories do. So yeah I would think that it would very unlikely for species of different lineages to cross. Here is a chart showing the relation between the different lineages. Here's the link to the page: https://corydoras.zone/fish/corys/corydoradinae-corydoras-lineages/ That would be a fun tank! I just bought my LFS's supply of C. hastatus (only 10 fish) during their sale. They are quite fun.

I would suggest more Corydoras. They make a tank really lively! Also you could go for a shoal of pencilfish or tetras, which would fill in the middle quite nicely. One in specific that comes to mind are Congo tetras, which get nice and big (impressive finnage and color on the males) and would stay active. I hope this helps!

Pseudomogil is a single genus, which is why some species might be able to crossbreed with one another. Species from a related genus in the subfamily Pseudomogilinae, Kiunga for example, do not hybridize with Pseudomugil species. Yes, Corydoras is the only genus in the subfamily Corydorinae currently. However, scientific studies over the group have sorted them into different lineages, which are more or less comparable to different genre (scientists are even considering renaming some lineages into new genre, like lineage 4 would become the genus Microcorydoras). Therefore, species from different lineages are unlikely to hybridize with other lineages. However, those that do share the same lineage have a higher chance of potential hybridization, so I would avoid housing them in the same tank as one another (if you do house them together monitor them closely to ensure no crossbreeding).

The only species that would potentially breed with C. aeneus are C. rabauti, C. venezuelanus, C. eques, C. schultzei, and C. melanotaenia, as they are all from the same lineage (lineage 7). Your other commonly kept species of Corydoras are all from lineage 9 (ex: C. habrosus, C. panda, C. trilineatus, and C. sterbai), with a few exceptions like C. paleatus (lineage 6), and C. pygmaeus and C. hastatus (lineage 4). https://www.corydorasworld.com/knowledgebase/Corydoradinae-Lineages. I hope this helps!

I have a Marineland Penguin 150 with a few honey gourami and a pearl gourami and they aren't bothered by the flow either.

I agree with @xXInkedPhoenixX I use a HOB and a sponge filter in my 29 and it works just fine. I would recommend to place an pre-filter sponge on the filter intake of the HOB to ensure that fry and small shrimp don't get sucked into the filter. I hope this helps!

Nice looking tank! For schooling fish, good ones to try would be harlequin rasboras, zebra danios, cherry barbs, white cloud mountain minnows, skirt tetras, and black neon tetras. In my experience, neon tetras are also pretty resilient, as are Endler's livebearers. For bottom dwellers, you could try Corydoras again. Corydoras aeneus and Corydoras paleatus are both great for beginners. Kuhli loaches would also work. Nerite snails and amano shrimp are some invertebrates you could try. And for centerpiece fish, any Colisa species should work (dwarf, honey, banded, and thick-lip gourami). Of course, some of these fish will adapt better or worse depending on your water parameters (most of these will do better in a neutral pH). Here is a list that Cory made a while back: I hope this helps!

Albino cories will crossbreed with them since they are also Corydoras aeneus. Same goes for some of the other varieties of C. aeneus (though some of them may actually be C. venezuelanus according to recent studies). I've kept C. aeneus with C. paleatus, C. trilineatus, C. pygmaeus, C. habrosus, and Brochis splendens, and in my experience they haven't shown any crossbreeding behavior with any of these species. I hope this helps!

I just got some new cories! I was looking for some pygmy cories at the store, and they had Corydoras hastatus, which I've never kept before. I bought all ten of them for the 29 gallon. I also bought two crypt wendtiis, which turned out to be around 9 individual plants, so I have also added those. Thanks!

@Stephan1973 Most of the common South American community fish are going to fare pretty well, and will get along with the current inhabitants (maybe more tetras, Corydoras, or some Bolivian rams, Otocinclus). Similarly, Southeast Asian fish (smaller gourami species, kuhli loaches, barbs, danios, and more rasboras) should all work fine. In terms of personal experience, I have around the same waters parameters in my 29 gallon aquarium. I found that my pearl gourami and honey gourami do well in this tank. They live with some neon tetras and a group of Corydoras. I hope this helps!

@wackbards Welcome to the forum, your tank looks awesome! My pearl gourami used to do the same exact thing, but over time he's gotten a lot more confident and approaches the front of the tank when I walk by.

It's been a while since I've updated this: I've had several diseases go through my aquarium, and unfortunately I've lost all the julii cories, peppered cories, and pygmy cories in the tanks, which was pretty disheartening. Also, my plants continued to die off, so I ended up removing the majority of the java fern and placing it in the guppy tank where it might have better growth. I purchased a few honey gourami and a group of neon tetras a while later, and they are doing fairly well. With the new fish I also got some Cryptocoryne wendtii and Cryptocoryne lucens, which are both growing nicely in the aquarium. I also have been dosing a little more fertilizer and root tabs than normal, which might be why I am having more success with them. Here's a look at the tank now: Thanks for reading!