# CalCOFI integrated database release v2026.06.26

**Release date:** 2026-06-26

CCE-LTER ZooDB holoplankton and ZooScan PRPOOS ingested with reproducible acquisition scripts;
`measurement_type` → dataset membership derived rather than asserted.

## Contents (generated)

| table | rows | |
|---|---:|---|
| `_spatial` | 3,373 |  |
| `_spatial_attr` | 40,298 |  |
| `bird_mammal_behavior` | 4 |  |
| `bird_mammal_observation` | 82,418 |  |
| `bird_mammal_species` | 200 |  |
| `bird_mammal_transect` | 60,715 |  |
| `bottle` | 895,371 |  |
| `bottle_measurement` | 11,135,600 |  |
| `cast_condition` | 235,513 |  |
| `casts` | 35,644 |  |
| `cruise` | 691 |  |
| `cruise_summary` | 691 |  |
| `ctd_cast` | 5,550,014 |  |
| `ctd_summary` | 108,390,249 | partitioned |
| `ctd_thin` | 5,551,551 | partitioned |
| `cufes_measurement` | 284,097 |  |
| `cufes_sample` | 49,572 |  |
| `dataset` | 7 |  |
| `dic_measurement` | 16,391 |  |
| `dic_sample` | 4,391 |  |
| `dic_summary` | 15,786 |  |
| `euphausiids_measurement` | 10,150 |  |
| `euphausiids_summary` | 10,145 |  |
| `euphausiids_tow` | 10,150 |  |
| `grid` | 218 |  |
| `ichthyo` | 852,228 |  |
| `invert` | 9,223 |  |
| `lookup` | 26 |  |
| `measurement_type` | 106 |  |
| `net` | 76,512 |  |
| `phyllosoma_measurement` | 22,308 |  |
| `phyllosoma_tow` | 1,859 |  |
| `phyto_measurement` | 159,804 |  |
| `phyto_sample` | 409 |  |
| `phyto_taxon` | 399 |  |
| `region` | 4 |  |
| `segment` | 60,413 |  |
| `ship` | 48 |  |
| `site` | 61,104 |  |
| `species` | 1,167 |  |
| `taxa_rank` | 41 |  |
| `taxon` | 3,385 |  |
| `tow` | 75,506 |  |
| `zoodb_measurement` | 30,948 |  |
| `zoodb_sample` | 506 |  |
| `zoodb_taxon` | 33 |  |
| `zooplankton_tow` | 99,530 |  |
| `zooscan_measurement` | 126,692 |  |
| `zooscan_sample` | 1,483 |  |
| `zooscan_taxon` | 23 |  |

**50 tables, 133,966,996 rows, 3.73 GB.**

**Datasets (12):** `calcofi_bird_mammal_census`, `calcofi_bottle`, `calcofi_ctd-cast`, `calcofi_dic`, `calcofi_phyllosoma`, `calcofi_phytoplankton`, `cce-lter_euphausiids`, `cce-lter_zoodb`, `cce-lter_zooscan`, `pic_zooplankton`, `swfsc_cufes`, `swfsc_ichthyo`

**Validation:** 9 pass / 0 fail / 4 skip (consumer-contract suite, 2026-06-26T18:01:51Z).

## How to cite

> CalCOFI (2026). CalCOFI Integrated Database, release v2026.06.26 [Data set]. Scripps Institution of Oceanography, NOAA Fisheries, and California Department of Fish and Wildlife. https://calcofi.io/db-schema/?v=v2026.06.26

Cite the source datasets you use alongside the release:

- `calcofi_bird_mammal_census` — *citation pending* · *license pending*
- `calcofi_bottle` — CalCOFI. (2023). CalCOFI Bottle Database 194903-202105. CalCOFI.org. · *license pending*
- `calcofi_ctd-cast` — CalCOFI. (2023). CalCOFI CTD Cast Files. CalCOFI.org. · *license pending*
- `calcofi_dic` — Keeling, C.D.; Lueker, T.J.; Emanuele, G.; Dickson, A.G.; Martz, T.R.; Wolfe, W.H.; Mau, A. (2025). Discrete profile dissolved inorganic carbon, total alkalinity, water temperature and salinity measurements for CalCOFI (NCEI Accession 0301029). NOAA NCEI. https://doi.org/10.25921/3w9f-jd72 · CC BY 4.0
- `calcofi_phyllosoma` — *citation pending* · *license pending*
- `calcofi_phytoplankton` — *citation pending* · *license pending*
- `cce-lter_euphausiids` — *citation pending* · *license pending*
- `cce-lter_zoodb` — *citation pending* · *license pending*
- `cce-lter_zooscan` — *citation pending* · *license pending*
- `pic_zooplankton` — *citation pending* · *license pending*
- `swfsc_cufes` — *citation pending* · *license pending*
- `swfsc_ichthyo` — NOAA Fisheries SWFSC. CalCOFI Ichthyoplankton Database. · *license pending*

## Access

```r
con <- calcofi4r::cc_get_db(version = "v2026.06.26")
```
```python
con = calcofi4py.cc_get_db("v2026.06.26")
```
Parquet: `https://storage.googleapis.com/calcofi-db/ducklake/releases/v2026.06.26/parquet/{table}.parquet`; 
full history: [RELEASES.md](https://storage.googleapis.com/calcofi-db/ducklake/releases/RELEASES.md).