Fan-tailed rag-fish
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Perciformes
- family: Icosteidae
- genus: Icosteus
- species: Icosteus aenigmaticus
Fort Bragg- Monterey
- Morro Bay
- Pacific Grove
- Santa Cruz
- Twin Lakes
California
United States