Blue-Lined Dottyback (Pseudochromis cyanotaenia)

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

Blue-Lined Dottyback

Quick facts

Scientific namePseudochromis cyanotaenia
FamilyPlesiopidae
Care levelModerate
Reef safetyReef Safe with Caution
TemperamentSemi Aggressive
Dietcarnivore
Adult size3 in
Minimum tank size30 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.026
Feeding schedule2-3 times daily

Appearance

The Blue-Lined Dottyback is a small, elongated fish with a vibrant purple body covered in bright blue horizontal stripes running from head to tail. It has a slightly compressed body shape and a pointed snout characteristic of the Plesiopidae family.

Diet and feeding

Feed small meaty foods including frozen mysis shrimp, frozen copepods, and finely chopped marine flesh. Supplement with small pellets designed for carnivorous reef fish. Feed 2–3 times daily in small portions.

Difficulty and care for the Blue-Lined Dottyback

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, Hole in the Head Disease, Columnaris Disease

Origin and habitat

Indo-Pacific coral reef regions from Indonesia to the Great Barrier Reef and westward to the Indian Ocean.

Log Blue-Lined Dottyback 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 Blue-Lined Dottyback alongside everything else in your reef.