Konishi and Takata, 2004


Konishi, M. and Takata, K. (2004) Size-dependent male-male competition for a spawning substrate between Pseudorasbora parva and Pseudorasbora pumila. Ichthyological Research [Ichthyol. Res.]., pp. 184-187

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Pseudorasbora parva Male Length at sexual maturity Mature males used were 5.95 ± 0.95 cm 5.95 cm
Pseudorasbora parva Male Weight at sexual maturity Mature males used were 3.76 ± 1.77 g 3.76 kg
Pseudorasbora parva Spawning conditions Spawning temperature The stock tanks were maintained on a constant photoperiod of 14 h light (from 07:00 to 21:00) and 10 h of dark at 20°C 14.0 °C
Pseudorasbora parva Spawning conditions Spawning site preparation In Pseudorasbora, a mature males establish a territory around spawning susbtrates (e.g., stones, plants or shells) onto which females will deposit their eggs. Almost all dominant males attacked other males with aggressive behavior such as chasing, head butting, or circling between males Susbtrate chooser
Pseudorasbora parva Spawning conditions Parental care The males entices several females to lay their eggs, fertilizes the eggs and guards the fertilized eggs until the embryos hatch No category