Ballyhoo
Hemiramphus brasiliensis
- Least concern
- Card rarity: Common
- Fish

The ballyhoo halfbeak, ballyhoo, balahu, redtailed balao or yellowtail ballyhoo is a baitfish of the halfbeak family (Hemiramphidae). It is similar to the Balao halfbeak in most features. Some are used for trolling by saltwater anglers. Some have caused ciguatera poisoning in humans.
Classification
- Class
- Actinopterygii
- Order
- Beloniformes
- Family
- Hemiramphidae
- Genus
- Hemiramphus