TY - RPRT TI - Toward welfare indicators: leg condition and aversive stimuli modulate defensive behavior in Opilones AU - O'Brien, S. L. AU - Araya-Salas, M. AU - Skelly, N. AU - Herrera Palencia, D. M. AU - Escalante, I. PY - 2026 DO - 10.64898/2026.10.29.762782 UR - https://www.biorxiv.org/content/10.64898/2026.10.29.762782v1 ID - 10.64898/2026.10.29.762782 ER -