{
    "river": {
        "name": "La Semoigne",
        "course_code": "F6150600",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:56:19+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
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            "observation_count": 791,
            "individual_count": null,
            "first_year": 2000,
            "last_year": 2025
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 12,
            "observation_count": 255,
            "individual_count": null,
            "first_year": 2000,
            "last_year": 2025
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 12,
            "observation_count": 167,
            "individual_count": null,
            "first_year": 2000,
            "last_year": 2025
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 12,
            "observation_count": 162,
            "individual_count": null,
            "first_year": 2000,
            "last_year": 2025
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
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            "observation_count": 105,
            "individual_count": null,
            "first_year": 2000,
            "last_year": 2025
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 12,
            "observation_count": 88,
            "individual_count": null,
            "first_year": 2000,
            "last_year": 2025
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 11,
            "observation_count": 43,
            "individual_count": null,
            "first_year": 2000,
            "last_year": 2025
        },
        {
            "species_code": "873",
            "common_name": "Ecrevisse signal",
            "scientific_name": "Pacifastacus leniusculus",
            "operation_count": 6,
            "observation_count": 35,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2019
        },
        {
            "species_code": "2129",
            "common_name": "Pseudorasbora",
            "scientific_name": "Pseudorasbora parva",
            "operation_count": 2,
            "observation_count": 16,
            "individual_count": null,
            "first_year": 2017,
            "last_year": 2021
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 3,
            "observation_count": 10,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2025
        },
        {
            "species_code": "2012",
            "common_name": "Lamproie de Planer",
            "scientific_name": "Lampetra planeri",
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            "observation_count": 9,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2023
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
            "operation_count": 5,
            "observation_count": 9,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2019
        },
        {
            "species_code": "2109",
            "common_name": "Carpe miroir",
            "scientific_name": "Cyprinus carpio",
            "operation_count": 4,
            "observation_count": 4,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2023
        },
        {
            "species_code": "2096",
            "common_name": "Barbeau fluviatile",
            "scientific_name": "Barbus barbus",
            "operation_count": 2,
            "observation_count": 4,
            "individual_count": null,
            "first_year": 2000,
            "last_year": 2000
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
            "operation_count": 1,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2025,
            "last_year": 2025
        },
        {
            "species_code": "20550",
            "common_name": "Carassin argenté",
            "scientific_name": "Carassius gibelio",
            "operation_count": 2,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2013
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2023
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2000,
            "last_year": 2000
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2000,
            "last_year": 2000
        },
        {
            "species_code": "2165",
            "common_name": "Epinoche",
            "scientific_name": "Gasterosteus aculeatus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2021,
            "last_year": 2021
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2000,
            "last_year": 2000
        }
    ]
}