Fishing Report: October 5th, 2021

1013 Peacocks in 2 ½ days!

This report was put together last night to rush to the incoming 3 parties of 8 anglers of the conditions they will find on arrival this coming Saturday on our private rivers on the Matupiri and Igapo-Acu Indian Reserve, selected as the best water levels in the Amazon during this week.

Last week’s Protec and Herbert parties each with 8 anglers were flabbergasted in landing a total of 1.838 peacocks during the week despite water levels being a bit high.

This last week-end, 3 parties with a total of 24 anglers landed in only 2 ½ days 1.013 fish of which 29 were over 10 lbs, two 18 lbs and one 19lbs.

(click on the table to see it at full size)

Water levels are dropping very slowly as forecasted in our previous report, but fishing numbers are more than fulfilling expectations. The above mentioned rivers are in our South West Zone which typically enjoys low water this time of year (see Rain Anomaly Forecast map below). Fish size should be going up day by day as the last water pours out of the jungle. This trend should stabilize just below the jungle line in another 10-15 days, and peacock sizes are expected to continue to improve until we change rivers towards mid-October (See water level report below).

Water level report on South West Zone

Water levels in the Matupiri and Igapo-Acu continue to drop very slowly, and this trend should remain over the next couple of weeks, as seen below in our guesswork data analysis which forecasts above average rainfall for this time of the year.

Today’s 10-Day Accumulated Rainfall Forecasts are for the towns marked in orange below, which affect water levels on the Matupiri and Igapo-Acu on South West Zone. The accumulated rainfall between 1.5 and 2 inches for most towns means that water levels will drop slowly in the region. However, rainfall between 1.5 and 1.0 inches means that levels will drop rapidly, which is not the case.

  • Manicore: 2.12 inches (marked as “1” in the 3 Month Rain Forecast Map)
  • Novo Aripuana: 1.99 inches (idem “2”)
  • Autazes: 1.31 inches (idem “3”)
  • Borba: 1.51 inches (idem “4”)
  • Humaita: 2.12 inches (idem “5”)

Last week’s Accumulated Rainfall Forecast was as follows: 

  • Manicore: 1.65 inches
  • Novo Aripuana: 2.45 inches
  • Autazes: 1.17 inches
  • Borba: 1.16 inches
  • Humaita: 2.30 inches

Sources: and

3-Month Rain Anomaly Forecast In Our Four Fishing Season Zones
(valid for October-November-December)

Source: CPTEC/INPE, Brazil

In the map above, note that our preferred fishing area for this time of the year, South West Zone, is in light blue which means a slight positive anomaly; ie.: it should receive slightly more rainfall than the expected (low) amount for this time of the year.

River Plate Anglers has access to 10 private river areas that drain some 16 million acres of pristine Amazon rainforest populated almost exclusively by indigenous groups that allow River Plate to fish their waters on an exclusive basis in return for various forms of support. Having so many rivers is part of our River Plate Advantage™. The other part of our River Plate Advantage™ is keeping up to date on water levels in all those areas. We do that from an office complex in Montevideo, Uruguay, we have dubbed our Situation Room. There, we pore over river data and weather forecasts basin-wide on a daily basis to ensure our anglers fish waters that are in prime condition. Our competitors, with few waters to fish, poor mobility, and limited insight into basin-wide water level fluctuations rely largely on guessing and hoping. We rely on facts.