Species guide

How to catch Half-lined cardinal

Ostorhinchus semilineatus

Stylized 2D illustration of Half-lined cardinal
brackishsaltwaterApogonidae

The half-lined cardinal is a small, nocturnal fish found inshore, often swimming in schools over rocky areas. It has a short and deep body shape and is known for its distinctive half-lined pattern along its body. This species is not targeted as a game fish.

Where they live

Found in brackish and saltwater environments across the Pacific and Indian Oceans, typically inhabiting rocky inshore areas from shallow waters down to 100 meters.

Typical size

Up to about 12 cm

What they eat

  • small crustaceans

Best baits

  • small shrimp
  • crustacean pieces

Best lures

  • small soft plastics
  • micro jigs

How to fish for them

  • light tackle fishing
  • bottom fishing
  • using small bait rigs

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