{"organism":"Danionella cerebrum (Adult Teleost Vertebrate)","schema_version":"2.0","atlas_template":"dc_mixed_hhg6@1.0","doi":"10.64898/2026.03.09.710483","doi_url":"https://doi.org/10.64898/2026.03.09.710483","biorxiv_url":"https://www.biorxiv.org/content/10.64898/2026.03.09.710483v1","neurons":650000,"regions":203,"scientific_badges":{"regions":"ATLAS / EMPIRICAL (203 Regions)","neurons":"MODELED POPULATION (650,000 Volume-Constrained)","tracts":"INTER-REGIONAL TRACT MODEL (1,023 Tracts)","simulation":"BIOPHYSICAL SIMULATION (50 Hz Closed-Loop)"},"cranial_volume_mm3":0.6,"sound_drumming_peak_db":140.2,"sound_drumming_frequency_hz":"60 - 120 Hz","file_name":"danio_brain_v2.npz","file_size_mb":12.54,"download_url":"/api/brain/download","ready":true,"divisions":{"Cerebellum (Granule & Purkinje)":247000,"Mesencephalon (Optic Tectum)":227500,"Rhombencephalon (Hindbrain & Mauthner)":52000,"Telencephalon (Forebrain)":52000,"Diencephalon (Habenula & Thalamus)":45500,"Motor & Spinal Column":26000},"brain_info":"========================================================\n danio: Adult Danionella cerebrum Biophysical Engine (v2.0)\n========================================================\n Organism:        Danionella cerebrum (Adult Teleost Vertebrate)\n Reference Atlas: dc_mixed_hhg6@1.0 (2.5 um isotropic isovoxels)\n Atlas DOI:       https://doi.org/10.64898/2026.03.09.710483\n Empirical Regs:  203 registered anatomical structures\n Modeled Neurons: 650,000 computational neurons (volume-constrained)\n Macro-Tracts:    1,023 directional projection bundles\n Cranial Volume:  ~0.60 mm3 (Lifelong Optical Transparency)\n Microcircuits:   Mauthner (<15ms), Sonic Drumming (>140 dB SPL)\n Body Model:      36-Vertebral Segments (Reduced-Order Hydrodynamics)\n Epistemic Status: ATLAS / EMPIRICAL REGIONS · MODELED POPULATION\n Reproducibility: Seed=None\n License:         CC-BY-NC-SA 4.0 Open Science License\n========================================================"}