A semi-transparent pale cardinalfish with a tall first dorsal fin, bright blue and orange bars on the rear of the head and anterior and anterior body, a blue iris, and a narrow whitish line along the upper back.
Short description - Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 9. Semi-transparent to whitish in color with blue spots and incomplete, narrow, orange bars on head and anterior part of body. Tall first dorsal fin, eyes blue. Elongate first dorsal fin; greatest depth of body 2.1-2.6 in SL.
Threadfin cardinalfish's facts
Did you know?
This species was previously known as Apogon leptacanthus.
Threadfin cardinalfish's Behavior & Ecology
Dense aggregations (often mixed with other species, like Archamia fucata, A. zosterophora are found above mounds of branching coral Porites cylindrica in sheltered, often turbid bays and lagoons. Nocturnal species.
Threadfin cardinalfish's Reproduction
Mouthbrooders. Distinct pairing during courtship and spawning. Displays obligate monogamy where a one-to-one pair is established irrespective of resource abundance.