Thank you esshup.
I found this
https://nas.er.usgs.gov/queries/factsheet.aspx?SpeciesID=648Seems that rudd could be found in many of the USA.
The article says "Reproduction occurs from April to August. Adhesive eggs are laid among vegetation. Fecundity ranges from 3500–232000 eggs" so I guess I need some more vegetation.
I have already read your good advice on shaping it as a paint roller tray to facilitate netting in a snrub thread, but my intention is to remove some fish every week or so (cast net or fish trap mainly) to put them in the bigger pond as supplemental feeding in addition to pellet and the already present preys.
If in the future I'll need to remove most of the fish quickly, I think that lowering the water the current shape will concentrate them in the central part (inverted truncated pyramid).
