- Which plecos are considered endangered or extinct? (according to IUCN)
- Which plecos can be legally exported from Brazil?
- Which are the smallest Loricariidae?
- Which are the smallest plecos?
- Which are the largest plecos?
- Which plecos come from the Rio Xingú?
- Which Hypancistrus live in the Rio Xingú?
- Which striped Hypancistrus exist?
- Which Hypancistrus with worm lines exist?
- What pleco can we care for in a tank of 80 cm?
- What pleco can we care for in a tank of 80 cm? (with respect to actual stocklists)
- What pleco can we care for in a tank of 100 cm?
- What pleco can we care for in a tank of 100 cm? (with respect to actual stocklists)
- Which South American catfishes live in caves?
- Which plecos live in caves?
- Are there plecos in brackish water?
