{
  "metadata": {
    "report_type": "Biologging Instrument Checklist",
    "checklist_version": "1.0",
    "generated_date": "2026-04-17",
    "generated_time": "2026-04-17 12:11:35.051222"
  },
  "animal_characteristics": {
    "species_information": {
      "scientific_name": "Sphyrna zygaena",
      "common_name": "Smooth hammerhead shark"
    },
    "deployments": {
      "number_of_animals": 4,
      "devices_per_animal": 1
    },
    "handling": {
      "handling_time": 5,
      "handling_time_units": "minutes"
    },
    "measurements": {
      "weight": 7,
      "weight_units": "kilograms",
      "length": 125,
      "length_units": "centimeters",
      "sex": ["female", "male"],
      "age_class": "juvenile"
    }
  },
  "device_characteristics": {
    "basic_info": {
      "instrument_type": "Data and video logger",
      "manufacturer": "Little Leonardo",
      "model": "DVL400M028—VD3GT"
    },
    "weight": {
      "instrument_weight": 20,
      "instrument_weight_units": "grams",
      "additional_hardware_weight": 85,
      "additional_hardware_weight_units": "grams",
      "percentage_of_bodyweight": 1.5
    },
    "dimensions": {
      "length": 16.5,
      "width": 5.4,
      "height": 5.8,
      "dimension_units": "centimeters"
    },
    "antennae": {
      "type": "Flexible",
      "length": 40,
      "length_units": "centimeters",
      "diameter": 0.635,
      "diameter_units": "millimeters"
    },
    "description": {
      "cross_sectional_shape": "Streamlined rounded square, Tag frontal area = 0.00157084 m2",
      "material": "Divinycell HCP50",
      "buoyancy": "Positive",
      "buoyancy_test_type": "Saltwater",
      "signal_production": {},
      "sensors": ["Intrinsic (e.g., accelerometer, heart rate)", "Environmental (e.g., audio, video, temperature)"],
      "orientation": "Antennae backwards"
    }
  },
  "deployment_characteristics": {
    "location_on_body": "First dorsal fin",
    "archive_or_transmit": "Transmitting",
    "photos_link": "",
    "deployments_count": 4,
    "recoveries_count": 4,
    "attachment_method": "",
    "detachment_method": "Automatic",
    "handling_process": "Captured using rod-and-reel and longlines using 11/0 circle hooks. Handling alongside boat or in onboard oxygen-saturated recovery tank. Measured and sexed in tonic immobility then turned around for fin-clamp application on dorsal fin and released.",
    "average_deployment_duration": "24",
    "duration_units": "hours"
  },
  "data_characteristics": {
    "data_format": ".txt",
    "data_location": "",
    "metadata_location": "Open Fin-Clamp Hardware, CFD results & Analysis Repository - https://doi.org/10.5281/zenodo.19617229"
  },
  "notes": {
    "additional_notes": "Miniaturized fin-clamp"
  }
}