Flagfin Weever

About this species

Parapercis schauinslandii, commonly known as redspotted sandperch, lyretail grubfish or flagfin weever, is a species of marine ray-finned fish native to the Indian and Pacific Oceans. It is a member of the sandperch family Pinguipedidae, form the percomorph order Trachiniformes.

Text from the Wikipedia article “Parapercis schauinslandii”, 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: 36 records
February: 26 records
March: 43 records
April: 51 records
May: 34 records
June: 55 records
July: 47 records
August: 93 records
September: 117 records
October: 79 records
November: 51 records
December: 34 records

Depth and water temperature

Depth

Mostly recorded at 12–48 m · Deepest record: 160 m

0–10 m: 20 records
10–20 m: 83 records
20–30 m: 178 records
30–40 m: 18 records
40–50 m: 6 records
50–60 m: 6 records
60–70 m: 4 records
70–80 m: 2 records
80–90 m: 3 records
90–100 m: 5 records
100–110 m: 4 records
110+ m: 7 records

Water temperature

Recorded in surface water of 23–30 °C

22–24 °C: 19 records
24–26 °C: 269 records
26–28 °C: 21 records
28–30 °C: 26 records

Photos

(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) desertnaturalist, some rights reserved (CC BY) · CC BY · iNaturalist
(c) cello caruso-turiello, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Gregor Bailar, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Ro Hill, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Pierre Pericard, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Flagfin Weever, Lyretail Grubfish, Redspotted sandperch

Names in 3 more languages

French: Perche de sable à taches rouges
Japanese: Hawaitoragisu, ハワイトラギス
Simplified Chinese: 沙鱸, 海狗甘仔, 狗, 玫瑰擬鱸, 舉目魚, 花狗母海, 雨傘閂

Other scientific names: Parapercis schauinslandi, Percis schauinslandii

Similar species

False-eyed Grubfish
Parapercis clathrata
Cylindrical sandperch
Parapercis cylindrica
Java Sandperch
Parapercis xanthozona

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).
481 open-data records from 1931 to 2019.
Species data updated October 26, 2026.