Bicolor Blenny
Ecsenius bicolor
- Usual depth5–22 m
- Water temperature23–30 °C
- Best monthsFebruary, April, and June
- How commonOccasional
Photo credit: (c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Ecsenius bicolor, commonly known as the flame tail blenny or bicolor blenny, is a blenny from the Indo-Pacific. It frequently makes its way into the aquarium trade. It grows to a size of 11 centimetres (4.3 in) in length.
Text from the Wikipedia article “Ecsenius bicolor”, 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: 108 records
- February: 240 records
- March: 169 records
- April: 208 records
- May: 205 records
- June: 239 records
- July: 93 records
- August: 74 records
- September: 131 records
- October: 135 records
- November: 115 records
- December: 116 records
Depth and water temperature
Depth
Mostly recorded at 5–22 m · Deepest record: 35.5 m
Water temperature
Recorded in surface water of 23–30 °C
Photos
no rights reserved · CC0 1.0 · iNaturalist 
(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) luluchouette, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) luluchouette, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Piotr Lukasik, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Bicolor Blenny, Bicolor Combtooth Blenny, Bicolour Blenny, Two-colored Blenny, Two-colour Comb-tooth, Two-colour Combtooth Blenny
Names in 6 more languages
- German
- Zweifarben-Schleimfisch
- Spanish
- Blenio Bicolor
- French
- Blennie bicolore
- Japanese
- Futairokaeruuo, フタイロカエルウオ
- Thai
- ปลาตั๊กแตนหินสองสี
- Simplified Chinese
- 二色無鬚鳚
Other scientific names: Ecsenius bicolour, Ecsenius hawaiiensis, Salarias bicolor, Salarias burmanicus, Salarias furcatus, Salarias melanosoma
Similar species
Coral BlennyEcsenius yaeyamaensis
Twinspot BlennyEcsenius bimaculatus
Twocoat CoralblennyEcsenius dilemma
Kurt's coralblennyEcsenius kurti
Monocle CoralblennyEcsenius monoculus
Black Comb-toothEcsenius namiyei
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).
- 1,909 open-data records from 1888 to 2023.
- Species data updated October 26, 2026.
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