Spotted Hardyhead
Craterocephalus mugiloides
- Usual depth1–3 m
- Water temperature23–29 °C
- Best monthsSeptember and October
- How commonOccasional
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 2 records
- February: 4 records
- March: 3 records
- April: 4 records
- May: 9 records
- June: 10 records
- July: 5 records
- August: 8 records
- September: 19 records
- October: 24 records
- November: 9 records
- December: 2 records
Depth and water temperature
Depth
Mostly recorded at 1–3 m · Deepest record: 2.5 m
Water temperature
Recorded in surface water of 23–29 °C
Names and classification
- English
- Spotted Hardyhead
Other scientific names: Allanetta mugiloides, Atherina mugiloides, Atherinichthys punctatus
Similar species
- North-West Hardyhead
Craterocephalus capreoli
- Estuarine Hardyhead
Craterocephalus honoriae
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).
- 177 open-data records from 1973 to 2023.
- Species data updated November 1, 2026.
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