# Illegal fishing enforcement in Brazil

> Live situation record from CLSTR: https://clstr.news/situations/illegal-fishing-enforcement-in-brazil
> Updated: 2026-10-23T17:10:38.000Z. Sources: 2. Developments: 2.

Authorities in the state of São Paulo have conducted several enforcement actions against illegal fishing activities. In Sandovalina and Rancharia, police intercepted individuals using prohibited equipment, such as cast nets, resulting in fines and the seizure of various fish quantities. These cases have been referred to judicial police for environmental crime proceedings.

In Mariápolis, the Military Environmental Police intercepted two men using prohibited casting nets in the Rio do Peixe. This operation led to the seizure of a boat, an outboard motor, and approximately 14.4 kilograms of fish, some of which were below the legal minimum size. The individuals involved were fined and face criminal charges.

## Timeline

### 2026-10-23: Environmental authorities investigate fish mortality and illegal fishing in Brazil

Authorities in Brazil are investigating illegal fishing in Mariápolis and the death of over five tons of fish in Guanabara Bay, Rio de Janeiro.

2 sources. https://clstr.news/cluster/environmental-authorities-investigate-fish-mortality-and-illegal-fishing-in-brazil

### 2026-09-28: São Paulo authorities fine individuals for illegal fishing

Police in São Paulo, Brazil, have fined individuals for illegal fishing in Sandovalina and Rancharia, seizing prohibited nets and large quantities of fish to protect local aquatic biodiversity.

3 sources. https://clstr.news/cluster/so-paulo-authorities-fine-individuals-for-illegal-fishing

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Cite as: Illegal fishing enforcement in Brazil. CLSTR, https://clstr.news/situations/illegal-fishing-enforcement-in-brazil
