RIO DE LA PLATA AT HWY 2 NR TOA ALTA, PR
PR USGS
RIO DE LA PLATA AT HWY 2 NR TOA ALTA, PR (50046000) is a real-time streamflow monitoring station 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. 83 fish species are associated with this station in public fish records.
- USGS site number
- 50046000
- Operated by
- U.S. Geological Survey
- State
- PR
- Coordinates
- 18.4116, -66.2610
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 De La Plata At Hwy 2 Nr Toa Alta, Pr has 83 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), Doctorfish (Acanthurus chirurgus), Atlantic Blue Tang (Acanthurus coeruleus), Caribbean Ocean Surgeonfish (Acanthurus tractus), Midas Cichlid (Amphilophus citrinellus), and 78 others.
- Atlantic Sergeant Major Abudefduf saxatilis
- Doctorfish Acanthurus chirurgus
- Atlantic Blue Tang Acanthurus coeruleus
- Caribbean Ocean Surgeonfish Acanthurus tractus
- Midas Cichlid Amphilophus citrinellus
- Red Devil Cichlid Amphilophus labiatus
- Porkfish Anisotremus virginicus
- Oscar Astronotus ocellatus non-native
- Western Atlantic Trumpetfish Aulostomus maculatus
- Atlantic Peacock Flounder Bothus lunatus
- Mottled Flounder Bothus maculiferus
- Smallmouth Grunt Brachygenys chrysargyrea
- Whitespotted Filefish Cantherhines macrocerus
- Orangespotted Filefish Cantherhines pullus
- Caribbean Sharpnose Puffer Canthigaster rostrata
- Atlantic Crevalle Jack Caranx hippos
- Horse-Eye Jack Caranx latus
- Bar Jack Caranx ruber
- Coney Cephalopholis fulva
- Atlantic Spadefish Chaetodipterus faber
- Four-Eyed Butterflyfish Chaetodon capistratus
- Banded Butterflyfish Chaetodon striatus
- Darter Goby Ctenogobius boleosoma
- Amur Carp Cyprinus rubrofuscus
- Mountain Mullet Dajaus monticola
- Longspined Porcupinefish Diodon holocanthus
- Spotted Porcupinefish Diodon hystrix
- Fat Sleeper Dormitator maculatus
- Chain Moray Echidna catenata
- Rainbow Runner Elagatis bipinnulata
- Smallscaled Spinycheek Sleeper Eleotris perniger
- Red Hind Epinephelus guttatus
- Flagfin Mojarra Eucinostomus melanopterus
- Little Tunny Euthynnus alletteratus
- Lyre Goby Evorthodus lyricus
- Caribbean Gambusia Gambusia puncticulata
- Yellowfin Mojarra Gerres cinereus
- Spotted Moray Gymnothorax moringa
- Caesar Grunt Haemulon carbonarium
- French Grunt Haemulon flavolineatum
- Sailor's Choice Haemulon parra
- Striped Grunt Haemulon striatum
- Slippery Dick Halichoeres bivittatus
- Blackear Wrasse Halichoeres poeyi
- Squirrelfish Holocentrus adscensionis
- Longspine Squirrelfish Holocentrus rufus
- Hairy Blenny Labrisomus nuchipinnis
- Buffalo Trunkfish Lactophrys trigonus
- Smooth Trunkfish Lactophrys triqueter
- Schoolmaster Snapper Lutjanus apodus
- Gray Snapper Lutjanus griseus
- Dog Snapper Lutjanus jocu
- Mahogany Snapper Lutjanus mahogoni
- Lane Snapper Lutjanus synagris
- Saddled Blenny Malacoctenus triangulatus
- Atlantic Tarpon Megalops atlanticus
- Black Triggerfish Melichthys niger
- Yellow Goatfish Mulloidichthys martinicus
- Goldspotted Eel Myrichthys ocellatus
- Yellowtail Snapper Ocyurus chrysurus
- Mozambique Tilapia Oreochromis mossambicus
- Jaguar Guapote Parachromis managuensis
- Highhat Pareques acuminatus
- Guppy Poecilia reticulata non-native
- French Angelfish Pomacanthus paru
- Spotted Goatfish Pseudupeneus maculatus
- Common Lionfish Pterois volitans
- Sailfin Catfishes Pterygoplichthys
- Greater Soapfish Rypticus saponaceus
- Cero Scomberomorus regalis
- Spotted Scorpionfish Scorpaena plumieri
- Lantern Bass Serranus baldwini
- Bucktooth Parrotfish Sparisoma radians
- Yellowtail Parrotfish Sparisoma rubripinne
- Great Barracuda Sphyraena barracuda
- Dusky Damselfish Stegastes adustus
- Beaugregory Stegastes leucostictus
- Caribbean Bluehead Wrasse Thalassoma bifasciatum
- Permit Trachinotus falcatus
- Palometa Trachinotus goodei
- Houndfish Tylosurus crocodilus
- Redhead Cichlid Vieja melanurus
- Green Swordtail Xiphophorus hellerii non-native
3 species above are flagged non-native or potentially invasive (Oscar, 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
- 83 species
- from 200 individual records
- Observed
- May 21, 2022 – Jul 8, 2026
- 200 dated records
Sources
- iNaturalist research-grade fish observations — 200 records