Barber, 2000



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Gasterosteus aculeatus Spawning conditions Parental care After collecting eggs for a period of between 1 and 10 days, the male switches to the parental phase, during which he actively repels potential egg predators, fans oxygenated water through the nest and removes unfertilized eggs and dead or diseased embryos No category
Gasterosteus aculeatus Spawning conditions Spawning site preparation "Following construction of a pit in a sandy substratum, the male lays down a mat of filamentous algae and other vegetation, may cover this partly with substratum carried to the nes by mouth, and finally, forms a tunnel through which the female can pass during spawning. Nest materials are secured by a ""glue"", produced in the kidney, that contains a glycoprotein, Spiggin, the secretion of which is under the control of androgenic hormone" No category
Gasterosteus aculeatus Male Length at sexual maturity Nest-building males were 44.6 ± 3.32 mm, range 39-55 44.6 cm
Gasterosteus aculeatus Male Weight at sexual maturity Nest-building males were 0.94 ± 0.25 g, range 0.60-1.79 g 0.94 kg
Gasterosteus aculeatus Spawning conditions Parity All nest builders survived No category