It has spiny, obovate, serrated leaves borne in clusters on yellowish stems emanating from a three-spined
sticklebacks are more discriminating still: with a contrast ratio of .
Rapid ecological speciadon in three-spined
stickleback from Middleton Island, Alaska: The roles of selection and geographic isolation.
3% of the unique proteins of fugu, zebrafish, three-spined
stickleback (Gasterosteus aculeatus) adult male, just beginning to develop breeding colouration >with faint flush of pink under chin at Wat Tyler Country Park in Essex FLPA/REX
The fish community of the river was dominated numerically by three-spined
stickleback Gasterosteus aculeatus (on average 45% in the seasonal catches), followed by gudgeon (25%).
Joachim Frommen and colleagues at the University of Veterinary Medicine, Vienna have investigated the issue using the three-spined
stickleback and its shoaling preferences as a model system.
He claims his three-spined
stickleback is the biggest tiddler ever caught in Britain.
Niko Tinbergen's accidental discovery of the fixed action pattern of the three-spined
stickleback fish is a classic example of how keeping captive organisms can lead to scientific discoveries as well as inquiries.
Administration of melatonin has been reported to mimic a short non-stimulatory photoperiod cycle and to influence maturation in male three-spined
sticklebacks Gasterosteus aculeatus, kept under stimulatory long photoperiods (Bornestaf et al.
Most important, from the point of view of Schluter and other evolutionary biologists, was the appearance of a silver fish, usually no longer than a credit card, called the three-spined
stickleback (Gasterosteus aculeatus).
Studies on the toxicity of cadmium to the three-spined
stickleback, Gasterostens aculeatus L.