Online Supplement

Code release and supplementary materials for Singh and Johnson-Yu et al., "Active Electrosensing and Communication in MARL-trained Weakly Electric Fish Collectives".

Corresponding author: [email protected] Technical contacts: [email protected] and [email protected]

BibTex

@article{singh2025understanding,
  title={Active Electrosensing and Communication in MARL-trained Weakly Electric Fish Collectives},
  author={Singh, Satpreet H and Johnson-Yu, Sonja and Lu, Zhouyang and Walsman, Aaron and Pedraja, Federico and Turcu, Denis and Sharma, Pratyusha and Saphra, Naomi and Sawtell, Nathaniel B and Rajan, Kanaka},
  journal={arXiv preprint arXiv:2511.08436},
  year={2025}
}

Documentation:

• Installation instructions (Linux + CUDA 12.x; Python 3.10; PyTorch 2.5.1)

Dataset

Google Drive link for Data (~50 GB)

The following RUN_DIR(s) were copied over (used in onpolicy/custom/fish/notebooks/)

/srv/marl/satsingh/marl_fish/NEW/foraging/Dyn_F00_Kb_For_S1
/srv/marl/satsingh/marl_fish/NEW/20260623_homing/Homing2_5MSeed9
/home/satsingh/kr/mfrefactor/onpolicy/custom/rays/results/Homing2Rays2000000Seed1NoFood/

Animations

Several more available uploaded here

Foraging

Homing (electric)

Homing (rays)

Behavioral highlights (2 fish)

Biting

Chasing

Behavioral highlights (4-fish)

Biting

Chasing