Big-head dragonet (Callionymus annulatus), first described by Weber, 1913 is a small fish in the family Callionymidae (order Callionymiformes). Adults typically reach 6.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 56 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.
Physical description for Big-head dragonet is currently being compiled.
Behavioural data for Big-head dragonet is currently being reviewed.
Marine; demersal; depth range 0 - 56 m . Tropical Central Pacific: southern Indonesia to Torres Strait.
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