Cocos frillfin goby

About this species

Bathygobius is a circumtropical genus of fish in the family Gobiidae.

Text from the Wikipedia article “Bathygobius”, 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: 67 records
February: 75 records
March: 90 records
April: 124 records
May: 499 records
June: 59 records
July: 62 records
August: 66 records
September: 100 records
October: 148 records
November: 54 records
December: 81 records

Depth and water temperature

Depth

Mostly recorded at 0–3 m · Deepest record: 150 m

0–10 m: 130 records
10–20 m: 1 records
20–30 m: 1 records
30–40 m: 1 records
40–50 m: 0 records
50–60 m: 0 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 1 records
110+ m: 1 records

Water temperature

Recorded in surface water of 18–29 °C

16–18 °C: 1 records
18–20 °C: 6 records
20–22 °C: 48 records
22–24 °C: 85 records
24–26 °C: 164 records
26–28 °C: 67 records
28–30 °C: 33 records

Photos

(c) Cricket Raspet, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Cricket Raspet, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Oscar Dove, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Alexander Regio, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tyler Bishop, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Oscar Dove, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Cocos frillfin goby, Coco's Frillgoby, Cocos Frill-goby, Cocos Frillgoby, Cocos Goby, Common Goby, Dusky Sand-goby, Tidepool Goby

Names in 3 more languages

French: Gobie de Cocos
Japanese: Sujikumohaze, スジクモハゼ
Simplified Chinese: 椰子深鰕虎, 椰子深鰕虎魚, 深鰕虎, 狗甘仔, 甘仔魚

Other scientific names: Bathygobius versicolor, Chlamydes versicolor, Gobius cocosensis, Gobius elmeri, Gobius homocyanus, Gobius sandvicensis, Rhinogobius corallinus, Rhinogobius ophthalmicus

Similar species

Brownlined Goby
Bathygobius coalitus
Dusky frill-goby
Bathygobius fuscus
Roundfin goby
Bathygobius cyclopterus
Brownlined Goby
Bathygobius meggitti
Bathygobius petrophilus
Common goby
Pomatoschistus microps

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).
1,506 open-data records from 1936 to 2023.
Species data updated October 26, 2026.