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Hi guys , just got a question about Silurus biwaensis , it's not in the cat-e-log so it it a synonym for another sp.? Fishbase states they are endemic to lake Biwa in japan and there's a mounted specimen of 270cm probably TL. Just want to know abit more about it.

Stackdeck wrote: Silurus biwaensis , it's not in the cat-e-log so it it a synonym for another sp.?

It's a valid species. The reason it's not (yet) in the C-log is probably because no-one keeps it and/or there's no picture available.

I think your best shot for more information (besides FB) is Google.

You want to find:
Memoirs of the College of Science, Kyoto University (Ser. B) v. 28 (no. 3, art. 5) form 1961. It's possibly not the easiest paper to find...

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Mats

Hmmm wonder if we have any japan based members... I saw some for sale on a japanese site and they are also mass caught for food I've heard?

Another paper might be useful:
Systematic revision of the catfish genus Silurus, with description of a new species from Thailand and Burma. Jap. J. Ichthyol. 36(2):155-186.

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Mats

There are 2 photos of adults, 1 of a juvenile, and 1 of two in a mating clinch (all live fish) in that fantastic book of Japanese Freshwater Fishes.

Some text too, if you can read Japanese!

Stackdeck, did you hunt down any info?

I seen these guys on "River Monsters - Japanese Horrors", just in case you were curious.

Will try a request for the papers Mats metioned soon , If I visit Japan soon I might go around looking for one to bring back.

NOW you are talking !!!