Banded Longfin
Belonepterygion fasciolatum
- Usual depth1–11 m
- Water temperature17–29 °C
- Best monthsOctober, November, and December
- How commonRare
About this species
The barred spiny basslet is a species of ray-finned fish in the family Plesiopidae, the longfins or roundheads. It occurs on reefs in the western Pacific Ocean from Japan south to Australia and east to New Caledonia. It is the only species in its genus.
Text from the Wikipedia article “Barred spiny basslet”, 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: 4 records
- February: 10 records
- March: 13 records
- April: 9 records
- May: 12 records
- June: 5 records
- July: 2 records
- August: 4 records
- September: 12 records
- October: 21 records
- November: 21 records
- December: 15 records
Depth and water temperature
Depth
Mostly recorded at 1–11 m · Deepest record: 15 m
Water temperature
Recorded in surface water of 17–29 °C
Names and classification
- English
- Banded Longfin, Banded Longfin Basslet, Banded Spiny Basslet, Barred Spiny Basslet, Spiny Basslet
Names in 2 more languages
- Japanese
- Togetanabatauo, トゲタナバタウオ
- Simplified Chinese
- 橫帶針翅鮗, 針鰭鮗, 黑七夕魚
Other scientific names: Acanthoclinus fasciolatus, Belonepterygion fasciatus, Ernogrammoides fasciatus
Similar species
Crimsontip longfinPlesiops coeruleolineatus
- Olive Rockfish
Acanthoclinus fuscus
- Blue Assessor
Assessor macneilli
CometCalloplesiops altivelis
- New Zealand Rockfish
Acanthoclinus littoreus
- Stout Rockfish
Acanthoclinus marilynae
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).
- 273 open-data records from 1966 to 2015.
- Species data updated October 26, 2026.
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