Skip to content

DiscoverSpeciesFish

Guam Blenny

Ecsenius sellifer

  • Fish
  • IUCN: Least concern
  • Usual depth3–7 m
  • Water temperature29–30 °C
  • Best monthsJune, September, and October
  • How commonRare
All species

About this species

Ecsenius sellifer, known commonly as the saddle blenny in Guam, or the saddle clown blenny in Micronesia, is a species of combtooth blenny in the genus Ecsenius. It is found in coral reefs in the western Pacific ocean. It can reach a maximum length of 4.1 centimetres. Blennies in this species feed primarily off of plants, including benthic algae and weeds.

Text from the Wikipedia article “Ecsenius sellifer”, 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: 0 records
  • February: 0 records
  • March: 0 records
  • April: 0 records
  • May: 0 records
  • June: 1 records
  • July: 0 records
  • August: 0 records
  • September: 1 records
  • October: 1 records
  • November: 0 records
  • December: 0 records

Depth and water temperature

Depth

Mostly recorded at 3–7 m · Deepest record: 7 m

  • 0–10 m: 3 records

Water temperature

Recorded in surface water of 29–30 °C

  • 28–30 °C: 3 records

Names and classification

English
Guam Blenny, Saddle Blenny

Similar species

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).
  • 8 open-data records from 1956 to 1998.
  • Species data updated November 2, 2026.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist

DiveHive uses necessary cookies to work. With your permission we also use analytics to see which pages help. Analytics is off until you say yes, and we never record what you type.

  • NecessaryAlways on: your choice, security.Always on
  • AnalyticsOff unless you accept.Off
Privacy policy