Stormfur and Brook Where Small Fish Swim are mates. Stormfur first met Brook Where Small Fish Swim or Brook when he and his five other companions; Squirrelpaw, Brambleclaw, Crowpaw, Tawnypelt and his sister Feathertail journied through the mountains, the home of the Tribe of Rushing Water. They were fulfilling a prophecy, but the tribe had a prophecy of their own. The tribe's prophecy said that a silver cat would save their tribe. They believed this cat was Stormfur (though it turned out to be his sister, Feathertail). Stormfur seemed to fit in well with the tribe and became friends with Brook quickly. When he was held prisoner so he could fight off Sharptooth, Stormfur felt hurt and betrayed and was mad at Brook. Later when his sister died fighting off Sharptooth, the tribe realized that Feathertail was the cat of the prophecy, not Stormfur. The journeying cats left the mountains. When they returned with their clanmates, Stormfur decided he would stay in the mountains. After a group of cats came and started stealing prey from the tribe, Stormfur tried to teach them how to fight off their enemies. When Jag died in one of their battles, Stormfur was exiled and Brook went with him. They went to ThunderClan for a short while, but they eventually went to RiverClan. Hawkfrost felt threatened, so, he devised a plan to get Stormfur and Brook kicked out. Stormfur and Brook went to ThunderClan and stayed there for a while. Night and Talon of the tribe eventually came to bring them back. The clans helped the tribe attack their enemies and Stormfur and Brook were able to come back to the tribe, which they did. They are seen again one more time with two kits named Lark That Sings at Dawn and Pine That Clings to Rock.