Twocoat Coralblenny
Ecsenius dilemma
- Usual depth10–29 m
- Water temperature28–29 °C
- Best monthsApril, May, and November
- How commonRare
Photo credit: (c) Gregor Bailar, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Ecsenius dilemma, the twocoat coralblenny, is a species of combtooth blenny in the genus Ecsenius. It is found in coral reefs in the western Pacific ocean, specifically in the Philippines. It can reach a maximum length of 3.1 centimetres. Blennies in this species feed primarily off of benthic algae and weeds, and are commercial aquarium fish.
Text from the Wikipedia article “Ecsenius dilemma”, 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: 5 records
- February: 1 records
- March: 6 records
- April: 13 records
- May: 9 records
- June: 7 records
- July: 1 records
- August: 4 records
- September: 0 records
- October: 1 records
- November: 8 records
- December: 6 records
Depth and water temperature
Depth
Mostly recorded at 10–29 m · Deepest record: 28.5 m
Water temperature
Recorded in surface water of 28–29 °C
Names and classification
- English
- Twocoat Coralblenny
Similar species
Bicolor BlennyEcsenius bicolor
Coral BlennyEcsenius yaeyamaensis
Twinspot BlennyEcsenius bimaculatus
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).
- 19 open-data records from 1979 to 2000.
- Species data updated October 26, 2026.
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