Hello bekateen, thanks for your reply and for your welcome.

These are the two different 20 liters tanks each, where i am keeping 5 Dwarf Crayfishes (3 individuals within one tank and 2 individuals within the another tank) from the Genus: Cambarellus ... since the middle of the month of May 2022 ...

Hello to all, i am from Mexico City.

Now planning in to get a small number of fishes belonging to the Genus: Otocinclus

The seller says that their individuals belongs to the species: affinis
... but i shall be sure about their true ID until i can get them in my owning, and after of your amiable ...