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i myself never heard of this, so how about u,

have u ever seen a holpo cat under the name porthole,

i never saw a real porthole, but aren't holpo cats darker in color

and thats the problem with common names. It becomes very easy to mix up fish.

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Before you criticize someone walk a mile in their shoes. That way you're a mile away and you have their shoes.

Yes, in fact I've never heard holpo....

they're called hoplo's around here

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Billy was a scientist, Billy is no more. For what he thought was H20, was H2SO4

I've seen LFSs list Hoplo Cats as Porthole Cats, and vice versa. They are similar-looking and closely related catfish, and because most people don't seem to give a crap about catfish, they don't care if they get the name exactly right.

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I'm not your neighbor, you Bakersfield trash.

In Malta they are called Hoplo's.


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Is there an actual difference? Even FP has them mixed up.

"Porthole Catfish" technically applies only to species of the genus Dianema, while "Hoplo Catfish" applies to the species in Megalechis.

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I'm not your neighbor, you Bakersfield trash.

Hm, from my understanding, Porthole catfish refers to the species Dianema longibarbis, due to the horizontally spaced-out row of spots along their body. The only other species in this Dianema genus, is Dianema urostriata, and its common name is Flag-tailed Catfish, due to the black-white colour pattern on its caudal fin.

Hoplo catfish refers to general species of the genus Megalechis and/or Hoplosternum.

P: In the Corydoras genus, there is a flat-tailed cory, scientific name being Corydoras robinae. It shares the similar colour pattern of the flag-tailed catfish (D. urostriata), but belongs to a separate genus. Perhaps we should all just stick to scientific names...?

We should stick to taxonomic nomenclature....unlike 'common' names virtually all fish have a taxon, and no two are alike....personally, I use little else.

can hoplo and Porthole catfish be interbred readily?