Blackmast
Craterocephalus stramineus
- Least concern
- Card rarity: Common
- Fish

Craterocephalus stramineus commonly called blackmast or strawman is a species of Actinopterygii fish that was described by Gilbert Percy Whitley in 1950. Craterocephalus stramineus belongs to the genus Craterocephalus, and family Atherinidae. It has no subspecies listed.
Classification
- Class
- Actinopterygii
- Order
- Atheriniformes
- Family
- Craterocephalidae
- Genus
- Craterocephalus