Enables chemorepellent activity. Involved in nervous system development; regulation of postsynapse organization; and ventral trunk neural crest cell migration. Acts upstream of or within generation of neurons; negative chemotaxis; and neural crest cell migration. Located in extracellular space. Is active in glutamatergic synapse. Is expressed in several structures, including alimentary system; brain; genitourinary system; respiratory system; and sensory organ. Orthologous to human SEMA3F (semaphorin 3F). [provided by Alliance of Genome Resources, Apr 2022]