{
    "river": {
        "name": "Ruisseau l'Ehn",
        "course_code": "A26-0200",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:02:01+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": 16,
            "observation_count": 1321,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2025
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 11,
            "observation_count": 1163,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 11,
            "observation_count": 655,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
            "operation_count": 15,
            "observation_count": 488,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2025
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 10,
            "observation_count": 361,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2165",
            "common_name": "Epinoche",
            "scientific_name": "Gasterosteus aculeatus",
            "operation_count": 11,
            "observation_count": 317,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "29117",
            "common_name": "Gobie à tache noire",
            "scientific_name": "Neogobius melanostomus",
            "operation_count": 2,
            "observation_count": 51,
            "individual_count": null,
            "first_year": 2017,
            "last_year": 2024
        },
        {
            "species_code": "68137",
            "common_name": "Ecrevisse américaine",
            "scientific_name": "Faxonius limosus",
            "operation_count": 3,
            "observation_count": 16,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2024
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 6,
            "observation_count": 10,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
            "operation_count": 3,
            "observation_count": 8,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2020
        },
        {
            "species_code": "20550",
            "common_name": "Carassin argenté",
            "scientific_name": "Carassius gibelio",
            "operation_count": 2,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2022
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
            "operation_count": 2,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2022
        },
        {
            "species_code": "2137",
            "common_name": "Tanche",
            "scientific_name": "Tinca tinca",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2016,
            "last_year": 2016
        },
        {
            "species_code": "2131",
            "common_name": "Bouvière",
            "scientific_name": "Rhodeus amarus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2011
        }
    ]
}