Fucaceae iyali ne na algae launin ruwan kasa wanda aka fi sani da wracks ko kelps. Ana samun waɗannan algae a cikin mahalli na ruwa a duniya kuma galibi sune mahimman abubuwan al'ummomin da ke tsakanin dutsen. Ana siffanta su da manya-manya, lebur, masu kama da ganye, waɗanda ke manne da maƙalli ta hanyar riko, da tsarin haifuwarsu, waɗanda ke ƙunshe a cikin mafitsara masu cike da iska. Ana kuma amfani da wasu nau'in Fucaceae a matsayin hanyar kasuwanci a matsayin tushen alginates, waɗanda ake amfani da su a cikin kayayyaki iri-iri kamar abinci, kayan kwalliya, da magunguna.