Tropical Fish Keeping - Aquarium fish care and resources

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cro117 07-14-2011 09:47 PM

Looking for a fish that can survive extreme temperatures.
ok, this isn't exactly a livebearer specific, or a pond specific, question, but anyway, im looking for suggestions for a fish that can survive extremely high temperatures. i am remiss to say that i haven't ever bothered recording the temp, past years i have been to sick to care, but id say it can get well over 100.

i live in southern california and i thought if there was anyone who might have a suggestion it would be the livebearer community. im not working completely blind here and already have a few ideas that im going to look into further, but in the mean time i was wondering if anyone had any suggestions. there are currently mosquito fish in there, but not many as they have exhausted the natural food supply. i was going to look into pup fish, if i recall they should be ideally suited the kind of environment that my pond is, but i was also going to look into something like a species of sword, too.

the pond is 60+ i believe, and has zero shade in the rosamond, antelope valley, desert, so when i say extreme im tanking puddle in death valley kind of extreme. normally such an environment would dray up, but i believe pupfish live puddles supplied by underground springs that last year round... i really should stop talking about this as i can't actually recall.

anyway, im hoping some livebearer guru reads this, and has a suggestion for a hardy fish like Gambusia affinis but a bit larger so i don't have to send goldfish to an agonizing death to appease the family's need for "something that can be seen"

cro117 07-14-2011 09:52 PM

oh ya, i'm aware that pupfish are not livebearers incase i made it sound like they were, nor am i restricting suggestions to livebearers. i just thought the exotic livebearer community would be my best option for ideas.

zof 07-15-2011 04:15 PM

Damn whats the chance in a town of 18k people I would find another person from rosamond(or are you in lancaster like your profile), do I know you lol?

As for your question I think more specifics would be helpful, are you doing an above ground tank, or an in ground pond? The keys for this areas weather for a in ground pond would be to keep it as deep as you can so the fish can go to the colder water thats deeper during the heat of the day. I would say at least 2 - 3 feet deep but I'm no pond person so it would be better directed at one of them.

As for fish selection it all depends on your setup, a goldfish could probably be fine in the conditions talked about above, but it might be cooler to do a setup with guppies, which would keep to a live bearer like you wanted. Instead of 1 or 2 big fish you could have 20 -30 colorful guppies swimming around constantly reproducing. I have no idea about pupfish though.

amazon21 07-15-2011 04:38 PM

As far as livebearers go the best non-mosquito fish livebearer for the pond would be swordtails, but they probably can't survive the winter temperatures. With those temperature conditions, I think the ideal pond fish would be rosy red minnows or white cloud mountain minnows, with the rosy red's being the hardier of the two. Like zof said, it would be beneficial for you to dig a deep pond, since deeper ponds take more heat to warm up. Also, since this pond will be in direct sunlight, your going to want to have lilies in them to shade your fish.

cro117 07-15-2011 04:57 PM

i do actually do live in rosamond, but i got tired of explaining to people, even those living in the antelope valley, were rosamond is, so i just say i live in lancaster most of the time. i used to work at aquatic treasures when it was open. i don't know if you ever went in there, but i was the emo guy that was always playing with a knife, lol.

as far as the pond goes its pretty shallow, maybe 2' or so. the heat is too great for guppies. i considered whether or not swords may survive, but i agree about the winter months. im sure there are several species of not so well known livebearers that might survive out there such as goodieds or limia, but im really only looking for my dads benefit who wants to see something bigger out there.

i may look into goldfishes ability to tolerate heat, but i highly doubt that the can handle it. same goes for the mountain minnows, they like things on the cooler side, but the rednoses give me something to look into.

zof 07-16-2011 03:49 PM

never heard of aquatic treasures before, where was it and how long was it open? I still think your best bet would be gold fish, and if you have room to plant some palms around the pond to shade it, I would think it would do ok. You could also add a pump to create a fountain in the middle of it, which should help keep the water cooler by evaporation of course you will probably need to top it off every couple of days, just make sure your intake is grabbing from the first 4-6" of water so you don't disturb the cooler water at the bottom.

cro117 07-16-2011 04:02 PM

aquatic treasures was around for like 14+ years until it closed down a few years back. it was located on palmdale blvd. not sure how picky they are on this forum about stuff like this, but you should email me at cro117 @ so that we don't have to talk keep depressing these fine people with how pathetic out local fish industry has become.

1077 07-16-2011 10:45 PM

In my view , you will need deeper tub to keep fish at temps mentioned or as also mentioned ,place the tub in the ground and provide shade via beach umbrella or patio umbrella.
I have a two foot deep 50 gal stock tub/tank on patio, and recent temps here in Missouri (upper 90's) cooked the guppies I had despite umbrella,floating lillies, and extra aeration.
Fishes would fair better in the fall /winter if temps did not drop below fifty degrees F in my opinion.
Swordtail's and goldfish would both go belly up quite quickly in temps mentioned thus far.

cro117 07-16-2011 10:53 PM

i'm not really planning on putting a lot of effort into altering it, if anything i'd just start another pond in a better location. that being said, im kind of looking at this as an opportunity to work with an environment that is different then most. that's why saltwater bored me so much. if anything i almost embrace the atypical extremes this pond presents. there are definitely fish out there capable of surviving/thriving in this environment, i just need to find them.

i may have to just accept that there may not be a medium to large species out there though. a pupfish can happily survive temps over 100, it burrows in the substrate in the winter, and can tolerate water 2 times that of the ocean, but it's only 2-3 inches.

Crocer 07-18-2011 07:35 PM

what about sail fin mollies?

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