No detailed citation.
|Species||Development state||Trait||Primary Data||Secondary Data|
|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||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||Spawning conditions||Parity||All nest builders survived||No category|
|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|