Catfish ID help

wednesday13

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Never cease to amaze me Vince with ur exellent taste in fish :) ... ill try and do some digging for ya and come up with an i.d., Possibly some sort of Sorubim species.
 
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Wailua Boy

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Are the koi feeders sold as a feeders? I only see golds being offered for sale.

Nice addition to your collection, I'm unsure on identification; so can't comment on that.
 
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wednesday13

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im stickin with Sorubim sp. on the golden cat... thebiggerthebetter thebiggerthebetter should b able 2 hone in on its exact sp.
and thats the creme da la creme to the left there, albino tsn :) amazing... (place headbanger/rocker imotocon here) lol... hell of a teaser Vince!
 

vincentwugwg

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im stickin with Sorubim sp. on the golden cat... thebiggerthebetter thebiggerthebetter should b able 2 hone in on its exact sp.
and thats the creme da la creme to the left there, albino tsn :) amazing... (place headbanger/rocker imotocon here) lol... hell of a teaser Vince!
Was actually teasing you with the shortbody platinum gars.. but yeah.. that too... haha
 

wednesday13

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Was actually teasing you with the shortbody platinum gars.. but yeah.. that too... haha
i love me a platty gator short body dont get me wrong... put it next to an albino tsn...and i quickly forget lol...
 
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thebiggerthebetter

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It is the first time I see a leucistic Sorubim. Wonderful score!

Unfortunately, I cannot add much to Wed's genus ID except that it is most likely a Sorubim elongatus from the looks and what's statistically most available in the trade, esp. in the US.

To my untrained, crude eye, the looks point to either lima or elongatus, which are known to be very hard to tell apart at sizes under 1' but at 3+ years a lima might be expected to surpass a foot. Yet, the growth rate is highly variable and it may still exceed 1' standard length (SL) in the years to come. This would make a lima ID more likely. If it reaches 2' SL, a lima is the only possibility according to my skimpy knowledge.

Moreover, I read that color mutants often display irregularities, even deformities, in other appearance traits like skeleton, proportions, finnage size and shape, etc., which does not help the ID processes, such as this, which must look for subtle differences between the species.

It would appear that 99.9% of "LSN" we get in the states are elongatus. Europe perhaps gets 90%+ or 95%+ elongatus. Both judging on the utter scarcity of 1.5'-2' specimen in the hobby and even public installations. But this guy is so unique that such bets may be off.
 
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