RIO GRANDE CONVEYANCE CHANNEL AT SAN MARCIAL, NM
RIO GRANDE CONVEYANCE CHANNEL NM USGS
RIO GRANDE CONVEYANCE CHANNEL AT SAN MARCIAL, NM (08358300) is a real-time river monitoring station on the RIO GRANDE CONVEYANCE CHANNEL in NM, operated by the U.S. Geological Survey. Riverbot tracks its river conditions, including water level, and streamflow and keeps recent, datum-labelled water-level history for anglers. 15 fish species are associated with this station in public fish records.
- USGS site number
- 08358300
- Operated by
- U.S. Geological Survey
- State
- NM
- Coordinates
- 33.6877, -106.9926
Live conditions & history
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Fishing regulations
NM 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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Bluegill Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 20
- Notes
- Statewide default. Under the all-other-warmwater bag of 20 with sunfish, bullheads, freshwater drum. Possession 40. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Catfish Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 15
- Notes
- Statewide default. All species except bullheads and Special Summer Catfish Waters (2/day). No bag or possession limit in the Animas River and San Juan River in San Juan County. Possession 30. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Crappie Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 20
- Notes
- Statewide default. Possession 40. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Cutthroat Trout Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 2
- Notes
- Any trout with red slash marks below the jaw counts as cutthroat. Seven Springs Hatchery Kid's Pond exception: 5 cutthroat. Possession 4.
Official rule · retrieved Aug 6, 2026
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Kokanee Salmon Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 5
- Notes
- Counts in the combined trout/kokanee bag of 5. During the Special Kokanee Snagging Season (Oct. 1-Dec. 31) the snagging bag is 12 per day, 24 possession. Possession of kokanee is not permitted at Heron Lake and Willow Creek Oct. 1-Nov. 10.
Official rule · retrieved Aug 6, 2026
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Lake Trout Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 2
- Notes
- Possession 4.
Official rule · retrieved Aug 6, 2026
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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
- Size rule
- 14" minimum
- Notes
- Statewide default. Black bass bag 5 per day combined. Smallmouth at Conchas and Ute reservoirs: 14-inch minimum; Rio Grande in Taos and Rio Arriba counties: no minimum on smallmouth. Possession 10. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Northern Pike Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 10
- Notes
- Statewide default. Eagle Nest Lake: no bag or possession limit; pike may not be returned intentionally to the lake. Possession 20. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Smallmouth Bass Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 5
- Size rule
- 12" minimum
- Notes
- Statewide default. Black bass bag 5 per day combined. Conchas and Ute reservoirs: 14-inch minimum. Rio Grande in Taos and Rio Arriba counties: no minimum. Possession 10. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Spotted Bass Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 5
- Size rule
- 14" minimum
- Notes
- Statewide default. Black bass bag 5 per day combined. Possession 10. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Striped Bass Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 1
- Notes
- Statewide default. No bag or possession limit in the Animas and San Juan Rivers in San Juan County. Possession 2. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Sunfish Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 20
- Notes
- Statewide default. All other warmwater game fish: bluegill, sunfish, bullheads, freshwater drum. Possession 40. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Tiger Muskellunge Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 1
- Size rule
- 40" minimum
- Notes
- Statewide default. Found only in Bluewater Lake and Quemado Lake. Possession 2. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Trout Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 5
- Notes
- Brown, brook, rainbow, Gila trout or kokanee salmon in any combination, except no more than 2 lake trout and/or 2 cutthroat trout in the limit. Bag limits differ at Special Trout Waters (Chile designations) and Laguna del Campo (3 trout). Possession 10.
Official rule · retrieved Aug 6, 2026
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Walleye Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 5
- Notes
- Statewide default. Possession 10. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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White Bass Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 25
- Notes
- Statewide default. White bass and hybrid striped bass (wipers) combined. Possession 50. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Wiper Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 25
- Notes
- Statewide default. Hybrid striped bass; combined bag with white bass. Possession 50. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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Yellow Perch Open · Harvest allowed within limits Open all year Details
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Open all year
- Daily limit
- 30
- Notes
- Statewide default. Possession 60. (2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply.)
Official rule · retrieved Aug 6, 2026
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General area restrictions
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Open all year
- Notes
- Statewide default. New Mexico has no general closed season; 2026-2027 license year (April 1, 2026 - March 31, 2027); fishing open year-round statewide except where dated rules apply. Possession limit is twice the daily bag limit.
Effective Jan 1, 2026 – Sep 14, 2027 · evaluated for 2026-09-10 in America/Denver
Regulations shown are for reference only and may not reflect in-season changes. Always verify current regulations with the New Mexico Fishing Rules & Info (NMDOW 2026-2027) before fishing.
Fish recorded near this station
Expected in this watershedRio Grande Conveyance Channel At San Marcial, NM lies within HUC8 watershed 13020203. USGS coarse native range maps (derived from AGAP, GBIF, IchthyMaps, NatureServe) indicate 15 fish species are expected to occur in this watershed.
Species include: grass carp (Ctenopharyngodon idella), plains killifish (Fundulus zebrinus), western mosquitofish (Gambusia affinis), mississippi silvery minnow (Hybognathus nuchalis), bigeye chub (Hybopsis amblops), and 10 others.
- Grass Carp Ctenopharyngodon idella non-native
- Plains Killifish Fundulus zebrinus
- Western Mosquitofish Gambusia affinis
- Mississippi Silvery Minnow Hybognathus nuchalis
- Bigeye Chub Hybopsis amblops
- Smallmouth Buffalo Ictiobus bubalus
- Speckled Chub Macrhybopsis aestivalis
- Shoal Chub Macrhybopsis hyostoma
- Inland Silverside Menidia beryllina
- Golden Shiner Notemigonus crysoleucas
- Fathead Minnow Pimephales promelas
- Bullhead Minnow Pimephales vigilax
- Longnose Dace Rhinichthys cataractae
- Speckled Dace Rhinichthys osculus
- Brown Trout Salmo trutta
One species above is flagged non-native or potentially invasive (Grass Carp). Records show what has been observed near this station, not what is native to the watershed.
Where these records come from
- Evidence
- Expected in this watershed
- Range maps place these species in this watershed; no local survey has confirmed them at this station.
- Records
- 15 species
- from 15 individual records
- Observed
- No observation dates recorded