…самки дают парню шанс… – Sarah B. M. Kraak and Eric P. Van Den Berghe, “Do female fish assess paternal quality by means of test eggs?”, Anim Behav 43 (1992): 865–867, and Andrea Manica, “Female scissortail sergeants (Pisces: Pomacentridae) use test eggs to choose good fathers”, Anim Behav 79(1) (2010): 237–242, doi:10.1016/j.anbehav.2009.11.006.