{
    "river": {
        "name": "L'Echez",
        "course_code": "Q02-0400",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:27:29+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 12,
            "observation_count": 829,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2022
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 25,
            "observation_count": 677,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2025
        },
        {
            "species_code": "2096",
            "common_name": "Barbeau fluviatile",
            "scientific_name": "Barbus barbus",
            "operation_count": 9,
            "observation_count": 631,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 8,
            "observation_count": 532,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2022
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 15,
            "observation_count": 477,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2025
        },
        {
            "species_code": "2124",
            "common_name": "Vairon indéterminé (Phoxinus)",
            "scientific_name": "Phoxinus sp.",
            "operation_count": 4,
            "observation_count": 234,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2025
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 8,
            "observation_count": 186,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2024
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
            "operation_count": 8,
            "observation_count": 171,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "31135",
            "common_name": "Toxostome",
            "scientific_name": "Parachondrostoma toxostoma",
            "operation_count": 6,
            "observation_count": 90,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2020
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
            "operation_count": 5,
            "observation_count": 79,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2123",
            "common_name": "Vandoise rostrée",
            "scientific_name": "Leuciscus burdigalensis",
            "operation_count": 4,
            "observation_count": 78,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2022
        },
        {
            "species_code": "2112",
            "common_name": "Goujon indéterminé (Gobio)",
            "scientific_name": "Gobio sp.",
            "operation_count": 1,
            "observation_count": 63,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2012",
            "common_name": "Lamproie de Planer",
            "scientific_name": "Lampetra planeri",
            "operation_count": 6,
            "observation_count": 15,
            "individual_count": null,
            "first_year": 2006,
            "last_year": 2024
        },
        {
            "species_code": "68137",
            "common_name": "Ecrevisse américaine",
            "scientific_name": "Faxonius limosus",
            "operation_count": 8,
            "observation_count": 12,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2022
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 1,
            "observation_count": 6,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2137",
            "common_name": "Tanche",
            "scientific_name": "Tinca tinca",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2012
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2012
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2012
        }
    ]
}