Ballyhoo
Hemiramphus brasiliensis
Type: pelagic, saltwater, halfbeak

Physical Characteristics
Easily identified by a greatly elongated lower jaw while the upper jaw is short and triangular. It has a slender, compressed, silvery body with a bluish-green back. The scales are deciduous (easily detached). The lower lobe of the caudal (tail) fin is significantly longer than the upper lobe, and the tips of the tail may show orange or reddish coloration.
Habitat & Distribution
Inhabits tropical and subtropical coastal waters, often found schooling near the surface over sandy bottoms, seagrass beds, and coral reefs. They are common in the Western Atlantic, ranging from New England and Bermuda down to Brazil.
Size & Weight
Typically reaches lengths of 20 to 30 cm (8 to 12 inches), with a maximum recorded length of approximately 40 cm. They are lightweight, usually weighing less than 0.5 kg (1 lb).
Similar Looking Species
Balao halfbeak (Hemiramphus balao), which has a shorter pectoral fin and lacks the orange/red tail tips; and and Longfin halfbeak (Hemiramphus saltator), found in the Eastern Pacific.
Ecological Role
High-level primary consumer that feeds on seagrass, algae, and small surface-dwelling invertebrates. They serve as a vital link in the marine food web, acting as a primary forage species for larger pelagic predators such as billfish, mahi-mahi, and tunas. Conservation status: Least Concern (IUCN).
Identified on: 12/19/2025
Mode: Standard