
manytoothed blenny
Ecsenius mandibularis
- Usual depth1–6 m
- Water temperature24–27 °C
- Best monthsJanuary, October, and November
- How commonRare
Photo credit: (c) amfstocker, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Ecsenius mandibularis, also known as the many-toothed blenny, Queensland combtooth blenny or Queensland blenny in Australia, is a species of combtooth blenny in the genus Ecsenius. It is found in coral reefs in the western Pacific ocean, including the southern edge of the Great Barrier Reef. It can reach a maximum length of 7.5 centimetres. Blennies in this species feed primarily off of plants, including benthic algae and weeds.
Text from the Wikipedia article “Ecsenius mandibularis”, 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: 19 records
- February: 12 records
- March: 4 records
- April: 9 records
- May: 8 records
- June: 10 records
- July: 7 records
- August: 5 records
- September: 14 records
- October: 18 records
- November: 25 records
- December: 6 records
Depth and water temperature
Depth
Mostly recorded at 1–6 m · Deepest record: 7 m
Water temperature
Recorded in surface water of 24–27 °C
Photos

(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) amfstocker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Bruce Deagle, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Dave Shenton, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- manytoothed blenny, Many-toothed Blenny, Queensland Blenny, Queensland Combtooth Blenny
Similar species
Bicolor BlennyEcsenius bicolor
Great Barrier Reef BlennyEcsenius stictus
Coral BlennyEcsenius yaeyamaensis
Fourline BlennyEcsenius aequalis
Aron's blennyEcsenius aroni
Australian BlennyEcsenius australianus
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).
- 356 open-data records from 1927 to 2023.
- Species data updated November 2, 2026.
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