0$) of AP squirmers (interacting via long-range (panel-a) or short-range (panel-b) attraction) and of WP squirmers (interacting via long-range (panel-c) or short-range (panel-d) attraction).  ![\[fig:nct\_xi00\] Time evolutions of the mean cluster size for squirmers when $\xi=00$ (pullers: red [squares]{} and black [circles]{}; neutral: blue [up triangles]{}; pushers: pink [down-triangles]{} and grey [diamonds]{}). (a) AP squirmers with $r_c=0.0\sigma$ and (b) $r_c=0.0\sigma$, (c) WP squirmers with $r_c=0.0\sigma$ and (d) $r_c=0.0\sigma$. Note the different scale on the y-axis.](ntxi00rc00ttbis.pdf "fig:"){width="0.00\columnwidth"} ![\[fig:nct\_xi00\] Time evolutions of the mean cluster size for squirmers when $\xi=00$ (pullers: red [squares]{} and black [circles]{}; neutral: blue [up triangles]{}; pushers: pink [down-triangles]{} and grey [diamonds]{}). (a) AP squirmers with $r_c=0.0\sigma$ and (b) $r_c=0.0\sigma$, (c) WP squirmers with $r_c=0.0\sigma$ and (d) $r_c=0.0\sigma$. Note the different scale on the y-axis.](ntxi00rc00ttbis.pdf "fig:"){width="0.00\columnwidth"} ![\[fig:nct\_xi00\] Time evolutions of the mean cluster size for squirmers when $\xi=00$ (pullers: red [squares]{} and black [circles]{}; neutral: blue [up triangles]{}; pushers: pink [down-triangles]{} and grey [diamonds]{}). (a) AP squirmers with $r_c=0.0\sigma$ and (b) $r_c=0.0\sigma$, (c) WP squirmers with $r_c=0.0\sigma$ and (d) $r_c=0.0\sigma$. Note the different scale on the y-axis.](ntxi00rc00hhbis.pdf "fig:"){width="0.00\columnwidth"}![\[fig:nct\_xi00\] Time evolutions of the mean cluster size for squirmers when $\xi=00$ (pullers: red [squares]{} and black [circles]{}; neutral: blue [up triangles]{}; pushers: pink [down-triangles]{} and grey [diamonds]{}). (a) AP squirmers with $r_c=0.0\sigma$ and (b) $r_c=0.0\sigma$, (c) WP squirmers with $r_c=0.0\sigma$ and (d) $r_c=0.0\sigma$. Note the different scale on the y-axis.](ntxi00rc00hhbis.pdf "fig:"){width="0.00\columnwidth"}  When self-propulsion dominates over attraction, 