Persian Blenny (Ecsenius oculus)

Fish in the family Blenniidae. Moderate care. Reef Safe.

Persian Blenny

Quick facts

Scientific nameEcsenius oculus
FamilyBlenniidae
Care levelModerate
Reef safetyReef Safe
TemperamentPeaceful
Dietomnivore
Adult size3.5 in
Minimum tank size20 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Feeding schedule2-3 times daily

Appearance

A small, slender blenny with a mottled brown to tan coloration, typically with darker bands or reticulated patterns across the body. The species has a distinctive small eye placement and a relatively streamlined body shape typical of the Ecsenius genus, with a single dorsal fin running the length of the back.

Diet and feeding

Feed small meaty foods such as copepods, amphipods, and small frozen preparations (mysis, brine shrimp). Supplement with small amounts of algae-based foods or dried seaweed sheets. Feed 2-3 times daily in small portions.

Difficulty and care for the Persian Blenny

Moderately challenging. Requires stable water conditions, adequate live rock for grazing and refuge, and a varied diet of small organisms. Best suited to established reef systems rather than new tanks.

Common health issues

Parasitic infections, ich, bacterial infections if water quality is poor

Origin and habitat

Indo-Pacific region, including the Red Sea, Persian Gulf, and eastward to the Indo-Pacific coral reef systems. Found in warm tropical reef environments.

Log Persian Blenny in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Persian Blenny alongside everything else in your reef.