Delta Smelt Releases
Data Courtesy of USFWS San Francisco Bay-Delta Fish & Wildlife Office
Smelt Queries
| Date | Location | ~Days post hatch | Release Method | Adipose Fin Clipped | VIE Tagged | VIE Color and Position | Total | Description |
|---|---|---|---|---|---|---|---|---|
| 11/18/2024-11/18/2024 | Lookout Slough near Shag Slough | >200 | Hard Release (fish truck) | ~0% | ~100% | Left Side. Blue. Anterior Dorsal | 13573 | On 11/18/2024-11/18/2024, the Experimental Release Technical Team will truck approximately ~13573 brood year 2024 Delta Smelt from the FC&CL to Lookout Slough near Shag Slough for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 01/31/2024-01/31/2024 | Sacramento River at Rio Vista | >200 | Hard Release | ~0% | ~100% | Left Side. Red. Posterior Dorsal | 6576 | On 01/31/2024-01/31/2024, the Experimental Release Technical Team will truck approximately ~6576 brood year 2023 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 01/30/2024-01/30/2024 | Sacramento River at Rio Vista | >200 | Soft Release | ~0% | ~100% | Right Side. Red. Anterior Dorsal | 6581 | On 01/30/2024-01/30/2024, the Experimental Release Technical Team will truck approximately ~6581 brood year 2023 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 01/24/2024-01/25/2024 | Sacramento River at Rio Vista | >200 | Soft Release | ~0% | ~100% | Right Side. Orange. Anterior Dorsal | 6396 | On 01/24/2024-01/25/2024, the Experimental Release Technical Team will truck approximately ~6396 brood year 2023 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 01/24/2024-01/24/2024 | Sacramento River at Rio Vista | >200 | Hard Release (carboy) | ~0% | ~100% | Left Side. Orange. Posterior Dorsal | 6382 | On 01/24/2024-01/24/2024, the Experimental Release Technical Team will truck approximately ~6382 brood year 2023 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 01/10/2024-01/10/2024 | Sacramento River at Rio Vista | >200 | Hard Release (fish haul truck) | ~100% | ~0% | 25649 | On 01/10/2024-01/10/2024, the Experimental Release Technical Team will truck approximately ~25649 brood year 2023 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~100% Adipose fin clipped individuals and ~0% Visible Implant Elastomer tagged individuals. | |
| 12/20/2023-12/20/2023 | Sacramento River at Rio Vista | >200 | Hard Release (trailer) | ~0% | ~100% | Left Side. Green. Posterior Dorsal | 6261 | On 12/20/2023-12/20/2023, the Experimental Release Technical Team will truck approximately ~6261 brood year 2023 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 12/19/2023-12/19/2023 | Sacramento River at Rio Vista | >200 | Hard Release (carboy) | ~0% | ~100% | Right Side. Green. Anterior Dorsal | 6430 | On 12/19/2023-12/19/2023, the Experimental Release Technical Team will truck approximately ~6430 brood year 2023 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 12/13/2023-12/14/2023 | Sacramento River at Rio Vista | >200 | Soft Release (carboy) | ~0% | ~100% | Right Side. Blue. Anterior Dorsal | 6581 | On 12/13/2023-12/14/2023, the Experimental Release Technical Team will truck approximately ~6581 brood year 2023 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 12/12/2023-12/12/2023 | Sacramento River at Rio Vista | >200 | Hard Release (carboy) | ~0% | ~100% | Left Side. Blue. Posterior Dorsal | 6508 | On 12/12/2023-12/12/2023, the Experimental Release Technical Team will truck approximately ~6508 brood year 2023 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 11/15/2023-11/15/2023 | Sacramento River at Rio Vista | >200 | Hard Release (large scale) | ~0% | ~100% | Left Side. Green. Anterior Dorsal | 14104 | On 11/15/2023-11/15/2023, the Experimental Release Technical Team will truck approximately ~14104 brood year 2023 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 01/25/2023-01/25/2023 | Sacramento Deepwater Ship Channel | >200 | Hard Release | ~0% | ~100% | Left Side. Orange. Anterior Dorsal | 6755 | On 01/25/2023-01/25/2023, the Experimental Release Technical Team will truck approximately ~6755 brood year 2022 Delta Smelt from the FC&CL to Sacramento Deepwater Ship Channel for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 01/24/2023-01/26/2023 | Sacramento Deepwater Ship Channel | >200 | Soft Release | ~0% | ~100% | Right Side. Green. Posterior Dorsal | 6240 | On 01/24/2023-01/26/2023, the Experimental Release Technical Team will truck approximately ~6240 brood year 2022 Delta Smelt from the FC&CL to Sacramento Deepwater Ship Channel for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 01/18/2023-01/18/2023 | Sacramento River at Rio Vista | >200 | Trailer Release | ~100% | ~0% | 3046 | On 01/18/2023-01/18/2023, the Experimental Release Technical Team will truck approximately ~3046 brood year 2022 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~100% Adipose fin clipped individuals and ~0% Visible Implant Elastomer tagged individuals. | |
| 01/18/2023-01/19/2023 | Sacramento River at Rio Vista | >200 | Hard Release | ~0% | ~100% | Right Side. Orange. Posterior Dorsal | 14524 | On 01/18/2023-01/19/2023, the Experimental Release Technical Team will truck approximately ~14524 brood year 2022 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 11/30/2022-11/30/2022 | Sacramento River at Rio Vista | >200 | Hard Release | ~0% | ~100% | Left Side. Red. Anterior Dorsal | 6556 | On 11/30/2022-11/30/2022, the Experimental Release Technical Team will truck approximately ~6556 brood year 2022 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 11/29/2022-11/30/2022 | Sacramento River at Rio Vista | >200 | Soft Release | ~0% | ~100% | Right Side. Blue. Posterior Dorsal | 6584 | On 11/29/2022-11/30/2022, the Experimental Release Technical Team will truck approximately ~6584 brood year 2022 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~0% Adipose fin clipped individuals and ~100% Visible Implant Elastomer tagged individuals. |
| 02/16/2022-02/17/2022 | Sacramento Deepwater Ship Channel near channel marker 53 | >200 | ~100% | ~0% | Red | 10933 | On 02/16/2022-02/17/2022, the Experimental Release Technical Team will truck approximately ~10933 brood year 2021 Delta Smelt from the FC&CL to Sacramento Deepwater Ship Channel near channel marker 53 for release into the Delta. This release will include ~100% Adipose fin clipped individuals and ~0% Visible Implant Elastomer tagged individuals. | |
| 02/09/2022-02/10/2022 | Suisun Marsh-Montezuma Slough at Belden's Landing | >200 | ~99% | ~1% | Red | 12800 | On 02/09/2022-02/10/2022, the Experimental Release Technical Team will truck approximately ~12800 brood year 2021 Delta Smelt from the FC&CL to Suisun Marsh-Montezuma Slough at Belden's Landing for release into the Delta. This release will include ~99% Adipose fin clipped individuals and ~1% Visible Implant Elastomer tagged individuals. | |
| 02/03/2022-02/03/2022 | Sacramento Deepwater Ship Channel | >200 | ~56% | ~44% | Red | 6400 | On 02/03/2022-02/03/2022, the Experimental Release Technical Team will truck approximately ~6400 brood year 2021 Delta Smelt from the FC&CL to Sacramento Deepwater Ship Channel for release into the Delta. This release will include ~56% Adipose fin clipped individuals and ~44% Visible Implant Elastomer tagged individuals. | |
| 01/11/2022-01/12/2022 | Sacramento River at Rio Vista | >200 | ~97% | ~3% | Red | 12800 | On 01/11/2022-01/12/2022, the Experimental Release Technical Team will truck approximately ~12800 brood year 2021 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~97% Adipose fin clipped individuals and ~3% Visible Implant Elastomer tagged individuals. | |
| 12/14/2021-12/15/2021 | Sacramento River at Rio Vista | >200 | ~89% | ~11% | Red | 12800 | On 12/14/2021-12/15/2021, the Experimental Release Technical Team will truck approximately ~12800 brood year 2021 Delta Smelt from the FC&CL to Sacramento River at Rio Vista for release into the Delta. This release will include ~89% Adipose fin clipped individuals and ~11% Visible Implant Elastomer tagged individuals. |