{
    "river": {
        "name": "Le Cernon",
        "course_code": "O34-0400",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-11-09T12:21:31+01:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 21,
            "observation_count": 2780,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2022
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 22,
            "observation_count": 2422,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2024
        },
        {
            "species_code": "873",
            "common_name": "Ecrevisse signal",
            "scientific_name": "Pacifastacus leniusculus",
            "operation_count": 22,
            "observation_count": 1143,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2024
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 21,
            "observation_count": 189,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2022
        },
        {
            "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": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 10,
            "observation_count": 37,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2022
        },
        {
            "species_code": "2097",
            "common_name": "Barbeau méridional",
            "scientific_name": "Barbus meridionalis",
            "operation_count": 5,
            "observation_count": 6,
            "individual_count": null,
            "first_year": 2002,
            "last_year": 2010
        },
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
            "operation_count": 3,
            "observation_count": 4,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2016
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 3,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2001,
            "last_year": 2022
        },
        {
            "species_code": "2216",
            "common_name": "Truite arc-en-ciel",
            "scientific_name": "Oncorhynchus mykiss",
            "operation_count": 2,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2012
        },
        {
            "species_code": "2112",
            "common_name": "Goujon indéterminé (Gobio)",
            "scientific_name": "Gobio sp.",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2010
        }
    ]
}