Hoplisoma longipinne

It resembles long-fin paleatum, but elongated pectorals occur mainly in males.

It resembles long-fin paleatum, but elongated pectorals occur mainly in males; female long-fin paleatum can also show extended fins.

Adult length

Up to 6.1 cm (standard length, without the tail fin)

Lifespan

5–10 years

pH

6–8.5

Native range

Native to waters of Argentina; reported occurrence in Brazil and Uruguay remains uncertain.

Natural habitat

Unknown