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Arrow Dragonet

Callionymus sagitta

  • Fish
  • IUCN: Least concern
  • Usual depth0–80 m
  • Water temperature25–30 °C
  • Best monthsMay, June, and November
  • How commonRare
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About this species

The arrow dragonet, also known as the arrow-headed darter dragonet, is a species of dragonet widespread in the Indo-West Pacific from Arabian Peninsula to the Philippines. Occurs in the Mekong delta of Viet Nam and probably also in Cambodia. This species grows to a length of 11 centimetres (4.3 in) TL. The arrow dragonet is a demersal species, which occurs on sandy substrates along coastlines, in estuaries, and in the lower courses of rivers where it feeds on worms, zooplankton and phytoplankton.

Text from the Wikipedia article “Arrow dragonet”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

  • January: 0 records
  • February: 0 records
  • March: 1 records
  • April: 0 records
  • May: 3 records
  • June: 3 records
  • July: 0 records
  • August: 1 records
  • September: 0 records
  • October: 0 records
  • November: 2 records
  • December: 0 records

Depth and water temperature

Depth

Mostly recorded at 0–80 m · Deepest record: 80 m

  • 0–10 m: 5 records
  • 10–20 m: 0 records
  • 20–30 m: 1 records
  • 30–40 m: 0 records
  • 40–50 m: 1 records
  • 50–60 m: 0 records
  • 60–70 m: 0 records
  • 70–80 m: 0 records
  • 80–90 m: 1 records

Water temperature

Recorded in surface water of 25–30 °C

  • 24–26 °C: 1 records
  • 26–28 °C: 5 records
  • 28–30 °C: 15 records

Names and classification

English
Arrow Dragonet, Arrow-headed Darter Dragonet, arrowheaded dragonet
Names in 1 more languages
Thai
ปลามังกรน้อยครีบดำ

Other scientific names: Repomucenus sagitta

Similar species

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).
  • 39 open-data records from 1770 to 2007.
  • Species data updated October 26, 2026.

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