Narrow-lined Puffer (Canthigaster jactator)

Fish in the family Tetraodontidae. Hard care. Not Reef Safe.

Narrow-lined Puffer

Quick facts

Scientific nameCanthigaster jactator
FamilyTetraodontidae
Care levelHard
Reef safetyNot Reef Safe
TemperamentSemi Aggressive
Dietcarnivore
Adult size3.5 in
Minimum tank size50 gallons
Water parametersTemperature: 72-80°F pH: 8.1-8.3 Salinity: 1.023-1.025
Feeding schedule2-3 times daily

Appearance

A small pufferfish with a rounded body and distinctive narrow vertical lines running along the sides (hence the common name). Coloration typically yellow-tan to beige with darker striping patterns. The fish has small eyes and a small mouth adapted for feeding on small invertebrates.

Diet and feeding

Primarily a carnivore feeding on small crustaceans, copepods, amphipods, and small mollusks. In the aquarium, offer frozen mysis shrimp, copepod-rich foods, and small meaty preparations multiple times daily to sustain their high metabolism.

Difficulty and care for the Narrow-lined Puffer

This is a challenging species best suited for experienced aquarists. It requires precise water quality, a specialized diet of small crustaceans, and careful tankmate selection due to its nipping behavior and toxin production when stressed.

Common health issues

Marine ich, Fin rot, Swim bladder disorder, Hole-in-the-head disease, Columnaris disease

Origin and habitat

Indo-Pacific coral reef environments, including the Great Barrier Reef, Indonesia, Philippines, and throughout the Pacific Islands. Found in areas with strong current exposure.

Log Narrow-lined Puffer 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 Narrow-lined Puffer alongside everything else in your reef.