Estuarine Halfbeak
Zenarchopterus dispar
- Usual depth0–2 m
- Water temperature26–30 °C
- Best monthsSeptember and November
- How commonRare
About this species
The feathered river garfish, also known as the estuarine halfbeak, spoon-fin garfish, spoon-fin river garfish and viviparous half beak, is a species of marine, freshwater, brackish and reef-associated oceanodromous viviparous halfbeak found in Indo-Pacific regional countries, such as Kenya, Mozambique, Seychelles, Madagascar, New Guinea, Solomon Islands, Australia, New Caledonia, Fiji, Sri Lanka, India, Vanuatu, Malaysia, Thailand, Singapore and Samoa.
Text from the Wikipedia article “Zenarchopterus dispar”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 5 records
- February: 5 records
- March: 2 records
- April: 8 records
- May: 9 records
- June: 9 records
- July: 10 records
- August: 3 records
- September: 18 records
- October: 9 records
- November: 12 records
- December: 4 records
Depth and water temperature
Depth
Mostly recorded at 0–2 m · Deepest record: 8.5 m
Water temperature
Recorded in surface water of 26–30 °C
Names and classification
- English
- Estuarine Halfbeak, feathered halfbeak, Feathered River-garfish, Halfbeak, Spoon-fin Garfish, Spoonfin River Garfish, Viviparous Garfish, Viviparous Halfbeak, Viviparous Half Beak
Names in 5 more languages
- Filipino
- Kansusuit, Patlay
- French
- Aiguillette, Demi-bec, Hémiramphe Dissemblable
- Japanese
- Futatsusayori, フタツサヨリ
- Thai
- ปลาตับเต่าปากยาว
- Simplified Chinese
- 匙鰭異鱗鱵, 匙鳍异鳞鱵, 董氏異鱗鱵
Other scientific names: Hemiramphus dispar, Zenarchopterus maculosus, Zenarchopterus vaisiganus
Similar species
- Buffon’s River Garfish
Zenarchopterus buffonis
- Estuary Garfish
Zenarchopterus gilli
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.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 220 open-data records from 1908 to 2022.
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