San Antonio Rv at San Antonio, TX
San Antonio River TX USGS
San Antonio Rv at San Antonio, TX (08178000) is a real-time streamflow monitoring station on the San Antonio River in TX, operated by the U.S. Geological Survey. Riverbot tracks its streamflow and alerts anglers the moment flow and temperature hit their fishing window. 17 fish species are associated with this station in public fish records.
- USGS site number
- 08178000
- Operated by
- U.S. Geological Survey
- State
- TX
- Coordinates
- 29.4097, -98.4950
Live conditions & history
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7-day weather
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Fishing regulations
TX state-wide default defaultDefault area rules for fish in the public records above. A grey row means the release has no canonical regulation match for that species.
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Largemouth Bass Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 5 fish for any combination of largemouth, smallmouth, Alabama, Guadalupe, and spotted bass
- Size rule
- 14 inches
- Notes
- Statewide default. Texas regs carry no season dates.
Official rule · retrieved Aug 4, 2026
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Bluegill No season data
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Bullhead Minnow No season data
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Central Stoneroller No season data
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Channel Catfish No season data
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Gizzard Shad No season data
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Green Sunfish No season data
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Longear Sunfish No season data
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Longnose Gar No season data
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Mimic Shiner No season data
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Red Shiner No season data
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Redbreast Sunfish No season data
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Spotted Gar No season data
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Spotted Sunfish No season data
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Warmouth No season data
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Western Mosquitofish No season data
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Yellow Bullhead No season data
Effective Jan 1, 2026 – Sep 14, 2027 · evaluated for 2026-09-10 in America/Chicago
Regulations shown are for reference only and may not reflect in-season changes. Always verify current regulations with the Texas Outdoor Annual Freshwater Fishing Regulations (TPWD) before fishing.
Fish recorded near this station
Sampled in this watershedSan Antonio Rv at San Antonio, TX has documented fish occurrence data from USGS Presence/Absence sampling in the HUC8 watershed 12100301 containing this station. The dataset includes 17 species with recorded observations.
Species include: yellow bullhead (Ameiurus natalis), central stoneroller (Campostoma anomalum), red shiner (Cyprinella lutrensis), gizzard shad (Dorosoma cepedianum), western mosquitofish (Gambusia affinis), and 12 others.
- Yellow Bullhead Ameiurus natalis
- Central Stoneroller Campostoma anomalum
- Red Shiner Cyprinella lutrensis
- Gizzard Shad Dorosoma cepedianum
- Western Mosquitofish Gambusia affinis
- Channel Catfish Ictalurus punctatus
- Spotted Gar Lepisosteus oculatus
- Longnose Gar Lepisosteus osseus
- Redbreast Sunfish Lepomis auritus
- Green Sunfish Lepomis cyanellus
- Warmouth Lepomis gulosus
- Bluegill Lepomis macrochirus
- Longear Sunfish Lepomis megalotis
- Spotted Sunfish Lepomis punctatus
- Largemouth Bass Micropterus salmoides
- Mimic Shiner Notropis volucellus
- Bullhead Minnow Pimephales vigilax
Where these records come from
- Evidence
- Sampled in this watershed
- Fish were sampled elsewhere in the same watershed — a provincial or federal survey nearby, not at the gauge itself.
- Records
- 17 species
- from 17 individual records
- Observed
- May 13, 1998 – Jul 18, 2008
- 6 dated records