Pristiapogon exostigmais commonly referred to as Eyeshadow Cardinalfish, Narrowstripe Cardinalfish, One-line Cardinal, One-line Cardinalfish, Oneline Cardinalfish. Difficulty in the aquarium: Easy. A aquarium size of at least 500 Liter is recommended. Toxicity: Toxic hazard unknown.
Pristiapogon exostigma, also called Eyeshadow Cardinalfish and Narrowstripe Cardinalfish, is found widespread in the Indo-Pacific from the coast of Africa east to Tuamotu, north to Japan and south to Australia. He lives rather Coastal and is usually found in coral reefs. Juvenile keep themselves often in mangroves for there own protection.
The body color is usually light gray to silver, the belly side often shiny golden. Apogon exostigma has a translucent "dash" in midbody and a dark point on the tail fin. In fright or camouflage these features are often barely visible (as shown in the pics below).