Ugum River above Talofofo Falls, nr Talofofo, Guam

Ugum River GU USGS

Ugum River above Talofofo Falls, nr Talofofo, Guam (16854500) is a real-time streamflow monitoring station on the Ugum River in GU, operated by the U.S. Geological Survey. Riverbot tracks its streamflow and alerts anglers the moment flow and temperature hit their fishing window. 127 fish species are associated with this station in public fish records.

USGS site number
16854500
Operated by
U.S. Geological Survey
State
GU
Coordinates
13.3224, 144.7361

Live conditions & history

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Fish recorded near this station

Community observations nearby

Ugum River Above Talofofo Falls, Nr Talofofo, Guam has 127 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.

Species include: Banded Sergeant (Abudefduf septemfasciatus), Indo-Pacific Sergeant Major (Abudefduf vaigiensis), Dusky Surgeonfish (Acanthurus nigrofuscus), Orangeblotch Surgeonfish (Acanthurus olivaceus), Mimic Surgeonfish (Acanthurus pyroferus), and 122 others.

Where these records come from

Evidence
Community observations nearby
Research-grade community observations (iNaturalist) recorded near this station, not a formal survey.
Records
127 species
from 200 individual records
Observed
Feb 1, 2025 – Aug 16, 2026
200 dated records

Sources