Acute Halfbeak

Hyporhamphus acutus

Fish
IUCN: Not evaluated

Usual depth0–7 m
Water temperature23–29 °C
Best monthsJuly and September
How commonRare

All species

Photo credit: (c) cello caruso-turiello, some rights reserved (CC BY) · CC BY · iNaturalist

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 8 records
February: 7 records
March: 8 records
April: 6 records
May: 5 records
June: 6 records
July: 15 records
August: 5 records
September: 12 records
October: 8 records
November: 4 records
December: 5 records

Depth and water temperature

Depth

Mostly recorded at 0–7 m · Deepest record: 182.9 m

0–10 m: 29 records
10–20 m: 1 records
20–30 m: 0 records
30–40 m: 1 records
40–50 m: 0 records
50–60 m: 0 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 1 records

Water temperature

Recorded in surface water of 23–29 °C

22–24 °C: 3 records
24–26 °C: 2 records
26–28 °C: 24 records
28–30 °C: 9 records

Photos

no rights reserved · CC0 1.0 · iNaturalist
(c) Parsa Fard, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Cos, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) nmoorhatch, some rights reserved (CC BY) · CC BY · iNaturalist
(c) cello caruso-turiello, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Acute Halfbeak, Pacific halfbeak

Other scientific names: Hemiramphus furcatus, Hemirhamphus acutus, Hemirhamphus arnoldorum, Hyporhamphus actus, Odontorhamphus chancellori

Similar species

Dussumier's halfbeak
Hyporhamphus dussumieri
Dusky Garfish
Hyporhamphus melanochir
Half-beak
Hyporhamphus quoyi
Atlantic silverstripe halfbeak
Hyporhamphus unifasciatus
Tropical halfbeak
Hyporhamphus affinis
Ballyhoo
Hyporhamphus australis

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
Conservation status as published by GBIF (IUCN Red List).
83 open-data records from 1946 to 2012.
Species data updated November 3, 2026.

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