DiscoverSpeciesOther invertebrates
Blunt Arm Sea Star
Pentaster obtusatus
- Usual depth1–5 m
- Water temperature25–29 °C
- Best monthsApril and May
- How commonRare
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 0 records
- February: 2 records
- March: 0 records
- April: 4 records
- May: 3 records
- June: 1 records
- July: 0 records
- August: 0 records
- September: 0 records
- October: 0 records
- November: 1 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 1–5 m · Deepest record: 5 m
Water temperature
Recorded in surface water of 25–29 °C
Names and classification
- English
- Blunt Arm Sea Star
Names in 3 more languages
- French
- Étoile trapue granuleuse
- Japanese
- ヒョウモンカワテブクロ
- Thai
- ดาวเหลืองปุ่มดำ
Other scientific names: Asterias obtusata, Oreaster obtusatus, Pentaceropsis mindorensis, Pentaceropsis obtusata, Pentaceropsis tyloderma, Pentaceros obtusatus
Similar species
Grainy Cushion StarChoriaster granulatus
Cushion starCulcita novaeguineae
- Chocolate Chip Sea Star
Protoreaster nodosus
- Brick Red Sea Star
Anthaster valvulatus
- Cake sea star
Anthenea aspera
- Australian Cushion Star
Anthenea australiae
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).
- 26 open-data records from 1978 to 2016.
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