Common name: Coral Red Pencilfish.
Species: Nannostomus mortenthaleri.
Habitat: Peru: Known only from parts of the Rio Nanay. Found in forest streams & tributaries. Very rarely imported.
Potential size: 4cm.
Social behaviour: Generally a peaceful community fish. Rival males are territorial with one another, but in a heavily planted aquarium any serious damage can usually be avoided.
Food: Flake, granules, frozen food, live food etc.