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Hello,

I am hoping someone can help identify this pleco. From looking at the tail it looks like a l066, but the color looks more like a L333. Also wanting to know if it is a male or female.

Thanks in advance.

Looks l333 to me but no clue whether male or female

Maybe female, but it looks too small to sex reliably from these photos. How long is this fish, excluding the tail?

my guess is without the tail its no more than 2"

What about that paper from 2016 which concluded that 333 and 66 are the same species?
viewtopic.php?f=14&t=43573&hilit=L333

TwoTankAmin wrote: 31 Jul 2017, 17:45What about that paper from 2016 which concluded that 333 and 66 are the same species? viewtopic.php?f=14&t=43573&hilit=L333

Yes, they may be the same species, but that doesn't rule out the prospect that they are different color morphs within one species (just like humans with different skin color).

Cheers, Eric