id	keyword
biotropia-2450	feeding
biotropia-2450	fish
biotropia-2450	aureus
biotropia-2450	diet
biotropia-2450	food
biotropia-2450	naujan
biotropia-2450	site
biotropia-2450	glossogobius
biotropia-2450	lake
biotropia-2450	goby
biotropia-2450	doi
biotropia-2450	gut
biotropia-2450	species
biotropia-2450	composition
biotropia-2450	prey