Pseudauchenipterus nodosus Fish Profile: Genus Pseudauchenipterus Species nodosus Common name Fadendornwels Origin Süd-/Centralamerica Tank Size min. 100 - 200 cm Temperature 22 - 25 °C pH Value 5.0 - 6.0 Fish Size 20 cm Food Omnivore Care Sociable, Group, Nocturnal