Mottled triplefin

Forsterygion capito

Fish
IUCN: Least concern

Usual depth1–16 m
Water temperature9–18 °C
Best monthsJanuary, May, and December
How commonRare

All species

Photo credit: (c) M Rutherford, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Forsterygion capito is a species of triplefin blenny in the genus Forsterygion. It was described by Jenyns in 1842.

Text from the Wikipedia article “Spotted robust triplefin”, 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: 44 records
February: 37 records
March: 36 records
April: 37 records
May: 44 records
June: 25 records
July: 44 records
August: 21 records
September: 18 records
October: 24 records
November: 15 records
December: 46 records

Depth and water temperature

Depth

Mostly recorded at 1–16 m · Deepest record: 25.5 m

0–10 m: 58 records
10–20 m: 20 records
20–30 m: 1 records

Water temperature

Recorded in surface water of 9–18 °C

8–10 °C: 2 records
10–12 °C: 3 records
12–14 °C: 12 records
14–16 °C: 6 records
16–18 °C: 70 records

Photos

(c) Oscar Dove, some rights reserved (CC BY) · CC BY · iNaturalist
(c) taylor h, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Luca Davenport-Thomas, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Javier, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Oscar Dove, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist

Names and classification

English: Mottled triplefin, Spotted Robust Triplefin

Other scientific names: Grahamina capito, Tripterygion capito, Tripterygium jenningsi

Similar species

Common Threefin
Forsterygion lapillum
Banded triplefin
Forsterygion malcolmi
Oblique-swimming Triplefin
Forsterygion maryannae
Many-rayed Threefin
Forsterygion varium
Yellow-and-black Triplefin
Forsterygion flavonigrum
Estuarine Threefin
Forsterygion gymnotum

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).
156 open-data records from 1918 to 2012.
Species data updated November 2, 2026.

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