Mini-monster fish for a 22 gallon? - The Planted Tank Forum
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post #1 of 24 (permalink) Old 01-30-2020, 10:49 PM Thread Starter
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Mini-monster fish for a 22 gallon?

Hiya,

Anyone got any good recommendation on small pike-looking fish, or small predatory fish in general? Wish many of the cool monster fish would stay at their juvenile size like Arowana and Florida gar. Proposed tank will be about 26" long and 16" deep. There'll definitely be some plants but also good swimming space, with a sandy substrate.

I've ruled out snakeheads (like them very much but to avid jumpers and I want a community tank). Considering African butterfly fish and some variations of Betta fight fish, depending on the rest of the stocking. Ctenolucius Hujeta is a dear fish I've kept before, but in the long run they may outgrow my tank.

Hit me up with any cool looking mini-monsters!

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Last edited by Hujeta; 01-30-2020 at 10:52 PM. Reason: Adding photo
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post #2 of 24 (permalink) Old 01-30-2020, 11:27 PM
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Pygmy puffer, peacock gudgeon (if you squint and it's dark it's a bit snakeheadish?), halfbeak (not sure how easy to keep), a dwarf catfish?
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post #3 of 24 (permalink) Old 01-30-2020, 11:30 PM
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Platimum halfbeaks. Dermogenys siamensis won't outgrow your tank & they're generally available (at least they are in the U S).



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post #4 of 24 (permalink) Old 01-30-2020, 11:33 PM Thread Starter
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Originally Posted by tamsin View Post
Pygmy puffer, peacock gudgeon (if you squint and it's dark it's a bit snakeheadish?), halfbeak (not sure how easy to keep), a dwarf catfish?
Some very good suggestions there! Puffer looks very cute, I actually looked at the peacock earlier tonight as someone mentioned it in a thread. Bit concerned about the jumping though, with my planned scape I'll have some roots breaking the water surface so can't use any lids really.

I'm looking at catfishes, haven't found too many suitable though. I'd love to keep a few zebra plecos but they want fast-moving water so may not work with other inhabitants. For the halfbeak, is it this one you're thinking of? It looks really cool https://www.seriouslyfish.com/specie...genys-pusilla/

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Originally Posted by Mr. Limpet View Post
Platimum halfbeaks. Dermogenys siamensis won't outgrow your tank & they're generally available (at least they are in the U S).
Great suggestion. Now, I don't find too much info on them online, only the link I posted above to a close relative to them. You wouldn't be sitting on any useful links?

Last edited by Hujeta; 01-30-2020 at 11:46 PM. Reason: Combined posts
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post #5 of 24 (permalink) Old 01-31-2020, 04:19 PM
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I don't really know anything about half beaks, just that they exist and they have that look like they could get 3' long!

I was thinking more like syn. petricola or nigriventris rather than plecs. Maybe oil catfish (smaller). Not sure if they'd have the right look. If you were looking at plecs I'd lean towards dwarf anchor/banjo cats - just because they have more of the mini-monster look.

Some of the kilifish species are pike-ish shapes e.g. panchax but they are probably jump risks.
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post #6 of 24 (permalink) Old 01-31-2020, 06:06 PM Thread Starter
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Originally Posted by tamsin View Post
I don't really know anything about half beaks, just that they exist and they have that look like they could get 3' long!

I was thinking more like syn. petricola or nigriventris rather than plecs. Maybe oil catfish (smaller). Not sure if they'd have the right look. If you were looking at plecs I'd lean towards dwarf anchor/banjo cats - just because they have more of the mini-monster look.

Some of the kilifish species are pike-ish shapes e.g. panchax but they are probably jump risks.
Yeah pleco catfishes is a weak spot of mine since before, I'm hoping I could keep a few of 'em again even though most are herbivores. The Zebra pleco is truly beautiful (and small) but there's larger plecos that's awesome in other ways. A good example is L273 and L600 but they'll both outgrow this tank. Not too fond of Synodontis in general. Anchorfish definitely looks like a good choice, and great size too. Same with oil fish so thank you for those suggestions.

This one is a carnivore, looking like a sweet blend of Corydoras and Synodontis:
https://www.planetcatfish.com/common...pecies_id=1611
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post #7 of 24 (permalink) Old 02-01-2020, 01:52 AM
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I'm not sure how suitable for your tank they are, but in addition to the banjo cats, I've always liked the farlowella cats. I know there are a few at least that will stay small.
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post #8 of 24 (permalink) Old 02-01-2020, 02:55 AM
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How about a pink tail chalceus? It’s a torpedo shape predatory tetra that stays on the surface like arrowana. It looks mean but is mean only to its own kind but peaceful to other fish. I keep a solo chalceus and he never bothers small fish. It grows slowly to 10 inch maximum, and a solo fish can fit in a 20 gal as it doesn’t swim much.
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post #9 of 24 (permalink) Old 02-01-2020, 03:44 AM
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How about a pink tail chalceus? Itís a torpedo shape predatory tetra that stays on the surface like arrowana. It looks mean but is mean only to its own kind but peaceful to other fish. I keep a solo chalceus and he never bothers small fish. It grows slowly to 10 inch maximum, and a solo fish can fit in a 20 gal as it doesnít swim much.
This is really bad advise, sorry. -- a 10 inch fish in a 20 gallon??


OP, please look at attached for aquarium size and maintenance for this fish:


https://www.seriouslyfish.com/specie...acrolepidotus/
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post #10 of 24 (permalink) Old 02-01-2020, 04:36 AM
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Pike livebearer. Belonesox belizanus. No larger than 4 to 6 inches ( females, males smaller). Predatory on anything that fits in its mouth. Very pike

https://www.google.com/url?sa=i&rct=...80618154185133
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post #11 of 24 (permalink) Old 02-01-2020, 05:14 AM
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Pike livebearer. Belonesox belizanus. No larger than 4 to 6 inches ( females, males smaller). Predatory on anything that fits in its mouth. Very pike

https://www.google.com/url?sa=i&rct=...80618154185133
Did you look up the aquarium requirements before suggesting this fish?


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post #12 of 24 (permalink) Old 02-01-2020, 06:02 AM
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No. I didnít need to. Iíve kept them previously, before I lived in California. Captive raised fish , females, hit 6Ē max. They definitely are not beginner fish. Only tank specs OP gave were dimensions , might not be ideal but doable. Iíve never seen ones that large.
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post #13 of 24 (permalink) Old 02-01-2020, 06:33 AM
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I'll throw in a second for pea puffers. I've got a single male in a 10 gallon high tech planted. It's him, an Otocinclus, and whatever snails manage to escape his voracious appetite. Pond snails, ramshorn, bladder snails, they all get destroyed very quickly. The only snails that have any longevity in the tank are Malaysian trumpet snails since they spend a lot of time in the substrate.

My male puffer has shared his tank with a large amano and large nerites, both were left alone. Amano died after a large water change, nerites got pulled because they poop too much. Occasionally, I'll see him chase the Oto around the tank, but he's never nipped at him and the Oto is in great health. For the most part, they leave each other alone. In a 20 gallon, you could do several pea puffers, but keeping snails stocked will be a challenge.
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post #14 of 24 (permalink) Old 02-01-2020, 01:03 PM
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This is really bad advise, sorry. -- a 10 inch fish in a 20 gallon??


OP, please look at attached for aquarium size and maintenance for this fish:


https://www.seriouslyfish.com/specie...acrolepidotus/
The op tank is 26” by 12” . A chalceus will slowly grow to 10”. In comparison to a 24” arowana in a 6’ by 2’ tank, there is more width for the chalceus to turn around. The width of the tank, rather than the length, is the deciding factor on the maximum size of fish that can fit. Even though a 10” fish sounds big for a 20g, chalceus is only 1” tall, so volume wise, it’s about the same as a 6” by 6” angle fish commonly kept in a 20g. Both fish stay at the surface. Aro cruises back and forth non stop; in contrast, Chalceus stays motionless like gar, so there is relatively less maneuverable room for an aro in a 200g than chalceus in a 20g. Both fish are jumper, so need tight tank top. The op tank is planted, which is needed to calm chalceus which is a skittish fish and can easily be startled and dashes madly. In contrast, aro needs open space to cruise around, and need no plants for obstruction. By definition, a monster fish ought to be relatively large and predatory looking for the tank to house it, and chalceus fits the image of a mini monster in a small tank.

Last edited by Tiger15; 02-01-2020 at 02:27 PM. Reason: .
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post #15 of 24 (permalink) Old 02-01-2020, 01:28 PM
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Knight Goby https://www.seriouslyfish.com/specie...us-sadanundio/

Lebiasina astrigata https://www.monsterfishkeepers.com/f...rigata.687096/

Scarlet Badis https://www.seriouslyfish.com/species/dario-dario/

Old thread, but may be something good in there https://www.monsterfishkeepers.com/f...thread.227845/
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