RIO PIEDRAS AT HATO REY, PR

RIO PIEDRAS PR USGS

RIO PIEDRAS AT HATO REY, PR (50049100) is a real-time streamflow monitoring station on the RIO PIEDRAS in PR, operated by the U.S. Geological Survey. Riverbot tracks its streamflow and alerts anglers the moment flow and temperature hit their fishing window. 72 fish species are associated with this station in public fish records.

USGS site number
50049100
Operated by
U.S. Geological Survey
State
PR
Coordinates
18.4096, -66.0693

Live conditions & history

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Fish recorded near this station

Community observations nearby

Rio Piedras At Hato Rey, Pr has 72 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.

Species include: Flat Needlefish (Ablennes hians), Atlantic Sergeant Major (Abudefduf saxatilis), Night Sergeant (Abudefduf taurus), Atlantic Blue Tang (Acanthurus coeruleus), Caribbean Ocean Surgeonfish (Acanthurus tractus), and 67 others.

2 species above are flagged non-native or potentially invasive (Guppy, Green Swordtail). Records show what has been observed near this station, not what is native to the watershed.

Where these records come from

Evidence
Community observations nearby
Research-grade community observations (iNaturalist) recorded near this station, not a formal survey.
Records
72 species
from 200 individual records
Observed
Jan 11, 2026 – Aug 17, 2026
200 dated records

Sources