Three-spined stickleback (Gasterosteus aculeatus aculeatus)

Species information

Three-spined stickleback - overview Video credits © Granada Wild Audio credits © Master Tracks	Three-spined stickleback building nest Video credits © Granada Wild Audio credits © Master Tracks	Three-spined stickleback territorial defence Video credits © Granada Wild Audio credits © Master Tracks
Three-spined stickleback courtship and display Video credits © BBC Natural History Unit Audio credits © Master Tracks	Three-spined stickleback egg fertilisation Video credits © Granada Wild Audio credits © Master Tracks