{
    "river": {
        "name": "Le Salaison",
        "course_code": "Y3310500",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:53:48+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
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            "observation_count": 1065,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 10,
            "observation_count": 898,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 7,
            "observation_count": 276,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2021
        },
        {
            "species_code": "2129",
            "common_name": "Pseudorasbora",
            "scientific_name": "Pseudorasbora parva",
            "operation_count": 8,
            "observation_count": 172,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2025
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 9,
            "observation_count": 168,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2025
        },
        {
            "species_code": "2124",
            "common_name": "Vairon indéterminé (Phoxinus)",
            "scientific_name": "Phoxinus sp.",
            "operation_count": 2,
            "observation_count": 150,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2025
        },
        {
            "species_code": "20550",
            "common_name": "Carassin argenté",
            "scientific_name": "Carassius gibelio",
            "operation_count": 4,
            "observation_count": 104,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2025
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
            "operation_count": 7,
            "observation_count": 81,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2023
        },
        {
            "species_code": "2028",
            "common_name": "Ecrevisse de Louisiane",
            "scientific_name": "Procambarus clarkii",
            "operation_count": 8,
            "observation_count": 71,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2102",
            "common_name": "Carassin commun",
            "scientific_name": "Carassius carassius",
            "operation_count": 2,
            "observation_count": 34,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2009
        },
        {
            "species_code": "2112",
            "common_name": "Goujon indéterminé (Gobio)",
            "scientific_name": "Gobio sp.",
            "operation_count": 2,
            "observation_count": 31,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2025
        },
        {
            "species_code": "65080",
            "common_name": "Gambusie de l'est (métropole)",
            "scientific_name": "Gambusia holbrooki",
            "operation_count": 2,
            "observation_count": 28,
            "individual_count": null,
            "first_year": 2021,
            "last_year": 2025
        },
        {
            "species_code": "2183",
            "common_name": "Mulet porc",
            "scientific_name": "Liza ramada",
            "operation_count": 3,
            "observation_count": 28,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2021
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
            "operation_count": 6,
            "observation_count": 22,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2023
        },
        {
            "species_code": "68137",
            "common_name": "Ecrevisse américaine",
            "scientific_name": "Faxonius limosus",
            "operation_count": 1,
            "observation_count": 14,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2007
        },
        {
            "species_code": "2185",
            "common_name": "Mulet cabot",
            "scientific_name": "Mugil cephalus",
            "operation_count": 2,
            "observation_count": 13,
            "individual_count": null,
            "first_year": 2017,
            "last_year": 2021
        },
        {
            "species_code": "2208",
            "common_name": "Gambusie de l'ouest",
            "scientific_name": "Gambusia affinis",
            "operation_count": 3,
            "observation_count": 12,
            "individual_count": null,
            "first_year": 2017,
            "last_year": 2023
        },
        {
            "species_code": "2137",
            "common_name": "Tanche",
            "scientific_name": "Tinca tinca",
            "operation_count": 4,
            "observation_count": 12,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2165",
            "common_name": "Epinoche",
            "scientific_name": "Gasterosteus aculeatus",
            "operation_count": 2,
            "observation_count": 5,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2011
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
            "operation_count": 2,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2021
        },
        {
            "species_code": "2099",
            "common_name": "Brème bordelière",
            "scientific_name": "Blicca bjoerkna",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2015,
            "last_year": 2015
        },
        {
            "species_code": "5208",
            "common_name": "Carassin doré",
            "scientific_name": "Carassius auratus auratus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2014
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2011
        },
        {
            "species_code": "873",
            "common_name": "Ecrevisse signal",
            "scientific_name": "Pacifastacus leniusculus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2009
        }
    ]
}