{
    "river": {
        "name": "Le Grand Hers",
        "course_code": "O1--0290",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:57:04+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 3,
            "observation_count": 481,
            "individual_count": null,
            "first_year": 1993,
            "last_year": 2019
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 3,
            "observation_count": 262,
            "individual_count": null,
            "first_year": 1993,
            "last_year": 2019
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 1,
            "observation_count": 125,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2019
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 3,
            "observation_count": 85,
            "individual_count": null,
            "first_year": 1993,
            "last_year": 2019
        },
        {
            "species_code": "2088",
            "common_name": "Spirlin",
            "scientific_name": "Alburnoides bipunctatus",
            "operation_count": 1,
            "observation_count": 52,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2019
        },
        {
            "species_code": "2096",
            "common_name": "Barbeau fluviatile",
            "scientific_name": "Barbus barbus",
            "operation_count": 1,
            "observation_count": 6,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2019
        },
        {
            "species_code": "2012",
            "common_name": "Lamproie de Planer",
            "scientific_name": "Lampetra planeri",
            "operation_count": 2,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 1993,
            "last_year": 2018
        },
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2018,
            "last_year": 2018
        },
        {
            "species_code": "873",
            "common_name": "Ecrevisse signal",
            "scientific_name": "Pacifastacus leniusculus",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2018,
            "last_year": 2018
        }
    ]
}