Hoplisoma loretoense

A conspicuous dorsal spine helps identification, but also compare body depth and spine curvature with armatum.

Adult length

Up to 5 cm (standard length, without the tail fin)

Water temperature

22–25 °C

Lifespan

5–10 years

pH

6–7.2

Hardness

2–12 dGH

Natural habitat

Native to the upper Amazon basin.