Photo credit: (c) Jan Ebr & Ivana Ebrová, some rights reserved (CC BY), uploaded by Jan Ebr & Ivana Ebrová · CC BY · iNaturalist
About this species
Istiblennius rivulatus is a species of combtooth blenny found on coral reefs in the western Indian Ocean. Males of this species can reach a maximum of 8.6 cm (3.4 in) in standard length, while females can reach a maximum of 9.3 cm (3.7 in) in standard length.
Text from the Wikipedia article “Istiblennius rivulatus”, 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: 2 records
- February: 3 records
- March: 0 records
- April: 6 records
- May: 5 records
- June: 1 records
- July: 3 records
- August: 7 records
- September: 4 records
- October: 2 records
- November: 13 records
- December: 4 records
Depth and water temperature
Water temperature
Recorded in surface water of 25–30 °C
Photos
(c) Gergely Nigg, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Анна Митрошенкова, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Valentin Moser, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Gergely Nigg, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Julien Renoult, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Jan Ebr & Ivana Ebrová, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Other scientific names: Alticops oryx, Salarias oryx, Salarias rivulatus, Salaris rivulatus
Similar species
Streaky rockskipperIstiblennius dussumieri
Rippled rockskipperIstiblennius edentulus
Black-lined BlennyIstiblennius lineatus
peacock blennyIstiblennius meleagris
rockskipperIstiblennius zebra
ImspringerIstiblennius bellus
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).
- 49 open-data records from 1964 to 1977.
- Species data updated November 3, 2026.
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