{
    "river": {
        "name": "L'Arre",
        "course_code": "Y2010500",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:00:40+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 8,
            "observation_count": 592,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2022
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 8,
            "observation_count": 522,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2022
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 9,
            "observation_count": 393,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "25609",
            "common_name": "Blageon",
            "scientific_name": "Telestes souffia",
            "operation_count": 9,
            "observation_count": 383,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2096",
            "common_name": "Barbeau fluviatile",
            "scientific_name": "Barbus barbus",
            "operation_count": 8,
            "observation_count": 297,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 9,
            "observation_count": 203,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 9,
            "observation_count": 173,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2124",
            "common_name": "Vairon indéterminé (Phoxinus)",
            "scientific_name": "Phoxinus sp.",
            "operation_count": 1,
            "observation_count": 60,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2112",
            "common_name": "Goujon indéterminé (Gobio)",
            "scientific_name": "Gobio sp.",
            "operation_count": 1,
            "observation_count": 58,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "873",
            "common_name": "Ecrevisse signal",
            "scientific_name": "Pacifastacus leniusculus",
            "operation_count": 7,
            "observation_count": 27,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2024
        },
        {
            "species_code": "2123",
            "common_name": "Vandoise rostrée",
            "scientific_name": "Leuciscus burdigalensis",
            "operation_count": 5,
            "observation_count": 26,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2022
        },
        {
            "species_code": "2095",
            "common_name": "Barbeau indéterminé (Barbus)",
            "scientific_name": "Barbus sp.",
            "operation_count": 2,
            "observation_count": 15,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2024
        },
        {
            "species_code": "31135",
            "common_name": "Toxostome",
            "scientific_name": "Parachondrostoma toxostoma",
            "operation_count": 4,
            "observation_count": 6,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2020
        },
        {
            "species_code": "2097",
            "common_name": "Barbeau méridional",
            "scientific_name": "Barbus meridionalis",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2022,
            "last_year": 2022
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
            "operation_count": 2,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2018
        },
        {
            "species_code": "2084",
            "common_name": "Cyprinidé indéterminé (Cyprinidae)",
            "scientific_name": "Cyprinidae sp.",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2020
        }
    ]
}