Modeling straight and circle swimmers: from single swimmer to collective motion Francesco Michele Ventrella, Guido Boffetta, Massimo Cencini and Filippo De Lillo Eur. Phys. J. E, 47 11 (2024) 65 Published online: 18 November 2024 DOI: 10.1140/epje/s10189-024-00458-z