Boltachev et al, 2006


Boltachev, A.R. and Danilyuk, O.N. and Pakhorukov, N.P. and Bondarev, V.A. (2006) Distribution and certain features of the morphology and biology of the stone moroco Pseudorasbora parva (Cypriniformes, Cyprinidae) in the waters of Crimea. Journal of Ichthyology, pp. 58-63

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Pseudorasbora parva Egg Egg adhesiveness The eggs are sticky Adhesive
Pseudorasbora parva Female Age at sexual maturity In their second year of life (sex not specified) 2.0 year
Pseudorasbora parva Female Length at sexual maturity When it reaches length of 30 mm (sex not specified) 30.0 cm
Pseudorasbora parva Female Absolute fecundity It has a fecundity level high for its size, reaching 4400 eggs 4400.0 thousand eggs
Pseudorasbora parva Spawning conditions Spawning season Apparently, the mass spawning of stone mroco in Kuchki pond happened in the second half of May or in June. The stone moroco spawns from late May to July in Ukraine, and from the end of June to the beginning of August in the basin of the Amur ['May', 'June', 'July', 'August']
Pseudorasbora parva Spawning conditions Spawning substrate Eggs are laid on stones, valves of mollusks, sunken trees, and other bottom susbrates as well as on underwater vegetation Lithophils
Pseudorasbora parva Spawning conditions Spawning release Spawning is intemittent No category
Pseudorasbora parva Spawning conditions Parental care The male protects actively the egg clutch, thus increasing the survival rate of juveniles Male parental care