Emerald cats - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 27 Old 01-19-2013, 09:38 AM Thread Starter
JDM
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I called the shop today as they thought that the order might be in yesterday. I guess I wasn't talking to the right person as this particular order will not be in until Tuesday. They are coming from Peru so they suggested waiting until Saturday to give them time to settle... I'm thinking that they might need to see how they are physically doing after such a long time in transit. I know I get cranky after a few hours in airports and on planes.

I was sort of hoping sooner as I would like to get them well settled before I leave for two weeks in February. As much as Kierstyn is up to looking after everything while I am away, I would rather not have something unexpected crop up due to newish fish. That would give them only two weeks in our tank.

I wonder if the shop would hold them for a month.... probably better here than there for that long I suppose.

Jeff.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #12 of 27 Old 01-19-2013, 12:04 PM
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My lfs dont really kno what there talkin about she said cory but the dorsal dang near hits the adipose fin and is like a really dark green almost black and yes i only have 2 ...thats all they had i need to kno where to get more
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post #13 of 27 Old 01-19-2013, 12:16 PM Thread Starter
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Originally Posted by Alex1331 View Post
My lfs dont really kno what there talkin about she said cory but the dorsal dang near hits the adipose fin and is like a really dark green almost black and yes i only have 2 ...thats all they had i need to kno where to get more
That sucks. I was lucky in that the LFS manager keeps these and knew exactly what I was talking about. I can't recommend sources but all you can do is look around and watch for the fin ray count and colouration.

I haven't seen these live yet, but they certainly don't appear very dark in any pics that I have seen.

They ordered 50 after I brought them up because he liked them so much and knew they would sell.

Jeff.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #14 of 27 Old 01-19-2013, 12:21 PM
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So what do you think i have? The dosal fin tells me its an emerald i cant count them cause there small and really fast but i do know it meets or almost meet the adipose
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post #15 of 27 Old 01-19-2013, 12:28 PM Thread Starter
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Does it perhaps look more like this?

Can you post a pic?
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File Type: jpg brochis britskii.jpg (37.2 KB, 20 views)


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #16 of 27 Old 01-19-2013, 12:55 PM
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My lfs dont really kno what there talkin about she said cory but the dorsal dang near hits the adipose fin and is like a really dark green almost black and yes i only have 2 ...thats all they had i need to kno where to get more

That is the problem with using common names. I have heard the common name cory used for just about every fish in the sub family Corydoradinae
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post #17 of 27 Old 01-19-2013, 01:00 PM
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No it dont but the finnage is kinda like that mine are just dark green i tried takin a pic but therr fast and they came out blurry
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post #18 of 27 Old 01-19-2013, 01:03 PM
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Cant really see his dorsal but i took this the last night and you can see how dark he is
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post #19 of 27 Old 01-19-2013, 02:43 PM
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Originally Posted by JDM View Post
I called the shop today as they thought that the order might be in yesterday. I guess I wasn't talking to the right person as this particular order will not be in until Tuesday. They are coming from Peru so they suggested waiting until Saturday to give them time to settle... I'm thinking that they might need to see how they are physically doing after such a long time in transit. I know I get cranky after a few hours in airports and on planes.

I was sort of hoping sooner as I would like to get them well settled before I leave for two weeks in February. As much as Kierstyn is up to looking after everything while I am away, I would rather not have something unexpected crop up due to newish fish. That would give them only two weeks in our tank.

I wonder if the shop would hold them for a month.... probably better here than there for that long I suppose.

Jeff.
My advice, after many years of acquiring wild-caught corys of many species, is to not get any until at minimum a week in the store. It is not uncommon for half or more of a shipment to die within a week. It depends upon how they were shipped. All the corydoradinae are highly susceptible to ammonia (and nitrite and nitrate, but it is the ammonia here).

When you do select them, make sure they are not still "iffy." If they are sitting on the substrate motionless, sort of on their side, fins clamped, they may not make it. If they are moving about, fins erect, they should be OK but you have to be careful with netting/bagging/shipping them home, and then acclimating them.

I know this is making them out to be the most delicate of fish, but the fact is we have no idea what they went through getting here, and I think it is best to assume the worst. I have lost many corys during the first few days over the years, until I started following this plan of waiting at least a week. The store should be willing to hold x number, perhaps with a deposit, or if they know you. Then when they die in the store, that is there problem and not yours.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #20 of 27 Old 01-19-2013, 02:50 PM
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Cant really see his dorsal but i took this the last night and you can see how dark he is
Forget body colouration, as most fish when stressed will not show true colouration. And besides this, there can be considerable variation from fish to fish in any of these species. Fish from different watercourses can vary slightly, due to specific evolution.

With these two "corys" it is the dorsal fin that to me clearly distinguishes them. The Brochis is much long down the dorsal ridge. Plus the fish is "taller" in the body. And the nose is more pointed and less blunt than the C. anaeus.

Your photo is blurry and indistinct, but I would say that is a Brochis, given the nose and body shape.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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