Loricaria simillimaMarbled Whiptail
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The pictures here show the fish that is most commonly referred to as L. simillima, but there is a great deal of uncertainty surrounding its true identity. As suggested above, it seems unlikely that its natural distribution is so wide, and we are probably dealing with several species or subspecies. This argument is strengthened by the fact that several differently coloured fish are imported as this species, with darker specimens being collected from acidic blackwaters and lighter fish hailing fro...