Duncker’s Pipefish

Halicampus dunckeri

15 cm 1-25 m
Duncker’s Pipefish
© Silke Baron

The Halicampus dunckeri, commonly referred to as Duncker's pipefish or ridgenose pipefish, is a species within the family Syngnathidae.

Duncker's pipefish is a small fish, reaching a maximum length of 15 cm. It features a slender, elongated body with reduced and hard-to-distinguish fins. Its coloration is notably variable, ranging from creamy white to dark brown, and includes shades of reddish to yellowish hues. The dorsal part of the body is adorned with numerous small whitish skin growths and irregular pale bars. Its head is relatively small, featuring large eyes and a short snout that is distinctively marked with a whitish tip.

This species is extensively distributed throughout the tropical and subtropical regions of the Indo-West Pacific, extending from the eastern coast of Africa (including the 🌊 Red Sea) to the 🇸🇧 Solomon Islands, and from southern 🇯🇵 Japan to the Great Barrier Reef. The ridgenose pipefish typically inhabits depths from the surface down to 25 meters, favoring environments such as reefs, sandy bottoms, or coral rubble areas with algae or debris, which provide effective camouflage.

Similar to its relatives within the pipefish family, the Duncker's pipefish exhibits a benthic lifestyle and is ovoviviparous. Reproduction involves a unique courtship where the female transfers her eggs to the male's ventral surface, where skin folds form a protective pouch. The male fertilizes and incubates the eggs in this pouch. Being a carnivorous species, the Duncker's pipefish primarily feeds on small crustaceans and other invertebrates, which it captures with its tubular snout.

The species is named in honor of Georg Duncker (1870-1953), a distinguished ichthyologist from the Zoological Museum Hamburg, renowned for his revision of the pipefish family in 1915.

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Last Update: October 30, 2024

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