Maulap River near Agat, Guam

Maulap River GU USGS

Maulap River near Agat, Guam (16848500) is a real-time streamflow monitoring station on the Maulap 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. 96 fish species are associated with this station in public fish records.

USGS site number
16848500
Operated by
U.S. Geological Survey
State
GU
Coordinates
13.3554, 144.6979

Live conditions & history

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Fish recorded near this station

Community observations nearby

Maulap River Near Agat, Guam has 96 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.

Species include: Scissortail Sergeant (Abudefduf sexfasciatus), Indo-Pacific Sergeant Major (Abudefduf vaigiensis), Whitespotted Surgeonfish (Acanthurus guttatus), Striped Surgeonfish (Acanthurus lineatus), Whitecheek Surgeonfish (Acanthurus nigricans), and 91 others.

Where these records come from

Evidence
Community observations nearby
Research-grade community observations (iNaturalist) recorded near this station, not a formal survey.
Records
96 species
from 200 individual records
Observed
Jan 24, 2026 – Aug 16, 2026
200 dated records

Sources