a few shots of my Synos

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headbanger_jib
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a few shots of my Synos

Post by headbanger_jib »

still haven't gotten getting proper in tank pics of these buggers, may be once they are more acclimatised to the tank and the camera :lol:
Image

Image

and a few of my old syno ocellifers

Image

Image
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Re: a few shots of my Synos

Post by Richard B »

Those Syno decorus look like hybrids....
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Re: a few shots of my Synos

Post by MatsP »

Richard B wrote:Those Syno decorus look like hybrids....
I agree - not that I'm a specialist at spotting hybrid synos, but they don't look right.

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Re: a few shots of my Synos

Post by jippo »

Richard B wrote:Those Syno decorus look like hybrids....
Same with ocellifer, too large membrane at outer barbels and ramification of inner barbels does not fit for ocellifer.
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Re: a few shots of my Synos

Post by Scleropages »

I hope you didn't pay a lot for them.
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Re: a few shots of my Synos

Post by headbanger_jib »

Richard B wrote:Those Syno decorus look like hybrids....
they are still too very small to be said for sure that they are hybrids, doesn't the dorsal ray grow longer after they reach 3"+
jippo wrote:Same with ocellifer, too large membrane at outer barbels and ramification of inner barbels does not fit for ocellifer.
the ocells are hybrids as i got them as some jaguar cats or something
Scleropages wrote:I hope you didn't pay a lot for them.
paid some where around 15 us$
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Re: a few shots of my Synos

Post by MatsP »

headbanger_jib wrote:
Richard B wrote:Those Syno decorus look like hybrids....
they are still too very small to be said for sure that they are hybrids, doesn't the dorsal ray grow longer after they reach 3"+
That is indeed true, but even tiny ones have a striped caudal and dorsal fin, which your fish lacks. Also, most wild-caught S. decora are usually larger than 3", and whilst there may be someone breeding S. decora with hormones, the captive bred fish are likely to be hybrids.

I'm pretty sure this is a hybrid.

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Re: a few shots of my Synos

Post by headbanger_jib »

MatsP wrote: That is indeed true, but even tiny ones have a striped caudal and dorsal fin, which your fish lacks. Also, most wild-caught S. decora are usually larger than 3", and whilst there may be someone breeding S. decora with hormones, the captive bred fish are likely to be hybrids.

I'm pretty sure this is a hybrid.

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Mats
i was under impression that they would get the stripes as they would grow larger
are u sure the smaller ones also have the striped dorsal?

these are supposed to be tank bred ones and not wild caughts
sheesh it would be bad if these too were hybrids like the previous ones i just disposed
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Re: a few shots of my Synos

Post by MatsP »

I'm pretty sure that the striped tail and dorsal is clearly visible at 3", yes. And being captive bred makes it more likely simply because these fish are rarely bred in captivity OTHER than as hybrids.

There are many theories as to why they are producing hybrids rather than just producing the same species. Some theories:
  • The true species produces less eggs, so using a female that produces a lot of eggs would help productivity (e.g. S. euptera).
  • It's cheaper to only ONE expensive fish, and cross it with something much easier to get hold of (e.g. S. euptera).
  • The hybrid species grows quicker and is more easy to grow out - particularly if one parent is an already fast growing species.
All of the above theories make some sense, and all improve the profit for the company that does this work.

Edit: Supporting evidential picture - not much in the way of dorsal extension, but very clearly striped tail. Photo by Jools, fish from Pier Aquatics:
Image

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Re: a few shots of my Synos

Post by headbanger_jib »

MatsP wrote:I'm pretty sure that the striped tail and dorsal is clearly visible at 3", yes. And being captive bred makes it more likely simply because these fish are rarely bred in captivity OTHER than as hybrids.

There are many theories as to why they are producing hybrids rather than just producing the same species. Some theories:
  • The true species produces less eggs, so using a female that produces a lot of eggs would help productivity (e.g. S. euptera).
  • It's cheaper to only ONE expensive fish, and cross it with something much easier to get hold of (e.g. S. euptera).
  • The hybrid species grows quicker and is more easy to grow out - particularly if one parent is an already fast growing species.
All of the above theories make some sense, and all improve the profit for the company that does this work.

Edit: Supporting evidential picture - not much in the way of dorsal extension, but very clearly striped tail. Photo by Jools, fish from Pier Aquatics:
Image

--
Mats
yeah
this sounds quite similar to how they go about with the mass produced zaire blue hybrid fronts

the dorsal coloration totally is different from the fish in the picture u show
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