RIO GRANDE DE MANATI NR MANATI, PR
RIO GRANDE PR USGS
RIO GRANDE DE MANATI NR MANATI, PR (50037000) is a real-time streamflow monitoring station on the RIO GRANDE 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. 52 fish species are associated with this station in public fish records.
- USGS site number
- 50037000
- Operated by
- U.S. Geological Survey
- State
- PR
- Coordinates
- 18.3994, -66.4969
Live conditions & history
Create a free account to see live flow, temperature, and recent history for this station
Riverbot reads this gauge every 15 minutes and emails you when the river hits the flow and temperature you fish. Sign up free to unlock the live chart and set your window.
7-day weather
Create a free account to see the 7-day weather forecast for this station
Wind, rain, and sky conditions for the week ahead at this gauge's coordinates — sign up free to plan your next trip around it.
Fish recorded near this station
Community observations nearbyRio Grande De Manati Nr Manati, Pr has 52 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.
Species include: Atlantic Sergeant Major (Abudefduf saxatilis), Night Sergeant (Abudefduf taurus), Atlantic Blue Tang (Acanthurus coeruleus), Caribbean Ocean Surgeonfish (Acanthurus tractus), Convict Cichlid (Amatitlania nigrofasciata), and 47 others.
- Atlantic Sergeant Major Abudefduf saxatilis
- Night Sergeant Abudefduf taurus
- Atlantic Blue Tang Acanthurus coeruleus
- Caribbean Ocean Surgeonfish Acanthurus tractus
- Convict Cichlid Amatitlania nigrofasciata
- Red Devil Cichlid Amphilophus labiatus
- Oscar Astronotus ocellatus non-native
- Frillfin Goby Bathygobius soporator
- Spanish Hogfish Bodianus rufus
- Eyed Flounder Bothus ocellatus
- Orangespotted Filefish Cantherhines pullus
- Blue Runner Caranx crysos
- Horse-Eye Jack Caranx latus
- Bar Jack Caranx ruber
- Graysby Cephalopholis cruentata
- Coney Cephalopholis fulva
- Banded Butterflyfish Chaetodon striatus
- Butterfly Peacock Bass Cichla ocellaris
- Mountain Mullet Dajaus monticola
- Irish Pompano Diapterus auratus
- Flagfin Mojarra Eucinostomus melanopterus
- Lyre Goby Evorthodus lyricus
- Yellowfin Mojarra Gerres cinereus
- Puffcheek Blenny Gobioclinus bucciferus
- Bigmouth Sleeper Gobiomorus dormitor
- Caesar Grunt Haemulon carbonarium
- French Grunt Haemulon flavolineatum
- Roughneck Grunt Haemulopsis corvinaeformis
- Slippery Dick Halichoeres bivittatus
- Puddingwife Wrasse Halichoeres radiatus
- Squirrelfish Holocentrus adscensionis
- Longspine Squirrelfish Holocentrus rufus
- Bermuda Chub Kyphosus sectatrix
- Masquerader Hairy Blenny Labrisomus conditus
- Smooth Trunkfish Lactophrys triqueter
- Schoolmaster Snapper Lutjanus apodus
- Dog Snapper Lutjanus jocu
- Mahogany Snapper Lutjanus mahogoni
- Yellow Goatfish Mulloidichthys martinicus
- Blackbar Soldierfish Myripristis jacobus
- Spotted Snake Eel Ophichthus ophis
- Sevenfingered Threadfin Polydactylus virginicus
- French Angelfish Pomacanthus paru
- Queen Parrotfish Scarus vetula
- Yellowtail Parrotfish Sparisoma rubripinne
- Checkered Puffer Sphoeroides testudineus
- Beaugregory Stegastes leucostictus
- Caribbean Bluehead Wrasse Thalassoma bifasciatum
- Greenband Goby Tigrigobius multifasciatus
- Surge Clingfish Tomicodon rupestris
- Palometa Trachinotus goodei
- Striped Drum Umbrina broussonnetii
One species above is flagged non-native or potentially invasive (Oscar). 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
- 52 species
- from 118 individual records
- Observed
- Feb 7, 2015 – May 15, 2026
- 118 dated records
Sources
- iNaturalist research-grade fish observations — 118 records