Blackline Fangblenny (Meiacanthus nigrolineatus)

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

Blackline Fangblenny

Quick facts

Scientific nameMeiacanthus nigrolineatus
FamilyBlenniidae
Also known asBlackline Fangblenny
Care levelModerate
Reef safetyReef Safe with Caution
TemperamentSemi Aggressive
Dietcarnivore
Adult size5.5 in
Minimum tank size30 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Feeding schedule2-3 times daily

Appearance

Slender blenny with an elongated body, tan-brown coloration, and a distinctive black stripe running along the lateral line. Small venomous fangs are present in the lower jaw; these are a defensive adaptation rather than a hunting tool.

Diet and feeding

Feed small meaty foods including finely chopped frozen shrimp, mysis shrimp, bloodworms, and small copepods. Offer food 2–3 times daily in small portions.

Difficulty and care for the Blackline Fangblenny

Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.

Common health issues

Marine ich, Fin rot, Swim bladder disorder, Bacterial septicaemia, Velvet disease

Origin and habitat

Indo-Pacific region from the Red Sea through the Indian Ocean to the Great Barrier Reef and Fiji.

Log Blackline Fangblenny 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 Blackline Fangblenny alongside everything else in your reef.