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Hardyhead silverside

Atherinomorus lacunosus

  • Fish
  • IUCN: Least concern
  • Usual depth0–17 m
  • Water temperature17–30 °C
  • Best monthsMay
  • How commonOccasional
All species

Photo credit: (c) Ahmed Abdul Rahman, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

About this species

The hardyhead silverside, also known as the broad-banded hardyhead, broad-banded silverside, Capricorn hardyhead, pitted hardyhead, robust hardyhead, robust silverside, slender hardyhead and wide-banded hardyhead silverside, is a silverside of the family Atherinidae. It occurs in the Indo-Pacific near the surface as well as in the Mediterranean, having invaded as a Lessepsian migrant through the Suez Canal.

Text from the Wikipedia article “Hardyhead silverside”, 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: 39 records
  • February: 24 records
  • March: 20 records
  • April: 72 records
  • May: 660 records
  • June: 18 records
  • July: 49 records
  • August: 17 records
  • September: 27 records
  • October: 21 records
  • November: 45 records
  • December: 21 records

Depth and water temperature

Depth

Mostly recorded at 0–17 m · Deepest record: 73.2 m

  • 0–10 m: 68 records
  • 10–20 m: 16 records
  • 20–30 m: 5 records
  • 30–40 m: 0 records
  • 40–50 m: 1 records
  • 50–60 m: 0 records
  • 60–70 m: 0 records
  • 70–80 m: 1 records

Water temperature

Recorded in surface water of 17–30 °C

  • 16–18 °C: 3 records
  • 18–20 °C: 1 records
  • 20–22 °C: 25 records
  • 22–24 °C: 17 records
  • 24–26 °C: 471 records
  • 26–28 °C: 135 records
  • 28–30 °C: 132 records

Names and classification

English
Hardyhead silverside, Robust silverside, hardyhead silverside, robust silverside
Names in 4 more languages
Spanish
Pejerrey cabezón
French
Athérine têtu, Athérine têtue, Croissant queue jaune, Prêtre, Saumonée hirondelle
Japanese
Yakushimaiwashi, ヤクシマイワシ
Simplified Chinese
南洋美銀漢魚, 南洋銀漢魚, 硬鱗, 藍美銀漢魚, 豆殼仔, 鱙仔

Other scientific names: Allanetta forskali, Atherina affinis, Atherina forskali, Atherina forskalli, Atherina lacunosa, Atherina morrisi, Atherina punctata, Atherina puntata, Atherinomorous lacunosus, Atherinomorus capricornensis, Atherinomorus lacunosa, Atherion morrisi, Hapsetia pinguis, Hepsetia morrisi, Hepsetia pinguis, Pranesus capricornensis, Pranesus forskalii, Pranesus lacunosus, Pranesus maculatus, Pranesus morrisi, Pranesus pinguis

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).
  • 1,717 open-data records from 1801 to 2023.
  • Species data updated October 26, 2026.

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