Pacific halfbeak (Hyporhamphus acutus) is a ray-finned fish of the family Hemiramphidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 30 cm. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms.
Dorsal soft rays (total): 15; Anal soft rays: 17 - 18. : elongated.
Behavioural data for Pacific halfbeak is currently being reviewed.
Marine; reef-associated; depth range 0 - ? m. Tropical; 16°N - 28°S Pacific Ocean: confined around oceanic islands, ranging from the Marshalls, Gilberts, and Tonga to the Marquesan and Easter islands (Ref.
| Language | Common Names |
|---|---|
| 🇬🇧English | Acute Halfbeak · Pacific halfbeak |
| 🇵🇹Portuguese | Meia-agulha-de-Rarotonga |
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Hemiramphus furcatus | Philippi | 1876 | Synonym |
| Hemirhamphus acutus | Günther | 1872 | Synonym |
| Hemirhamphus arnoldorum | Curtiss | 1938 | Synonym |
| Hyporhamphus actus | Günther | 1872 | Synonym |
| Hyporhamphus acutus acutus | Günther | 1872 | Synonym |
| Odontorhamphus chancellori | Weed | 1933 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 9 records indexed .
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