River

Caeté (Acre)

Only species with a profile on Seriously Fish are counted.

Species: 1
Families: 1
Photographed: 1 of 1
Difficulty rated: 1 of 1

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The river

Flows into

Iaco

The mouth is from Wikidata, checked on 24 October 2026.

Basin

Amazon basin

Runs through

Brazil

Also in the Amazon basin

This species is also recorded from

Specimen from the German aquarium trade.

Colomesus asellusAmazon Puffer

Tetraodontidae · (Müller & Troschel, 1849)

120 × 30cm48 × 12in

20–26°C68–79°F

The Amazon puffer, Colomesus asellus, is a freshwater puffer found throughout much of the Amazon basin, with records north to Guyana and Venezuela. Also traded as the South American puffer or 'SAP', it is told from congeners by a transverse row of dermal flaps across the chin. It lives mostly in well-oxygenated river habitats, is intolerant of organic waste, and forms loose aggregations, so a group of 6 or more is best, away from the general community.