Corythoichthys amplexus Dawson & Randall, 1975

Nomenclature and Taxonomy

Corythoichthys amplexus, commonly known as the brown-banded pipefish, is a species of marine fish in the family Syngnathidae.

General Distribution

The brown-banded pipefish is widespread across the tropical waters of the Indo-West Pacific region, ranging from the eastern coast of Africa to the western Pacific; it extends north to the Ryukyu Islands and south to the Great Barrier Reef.

Unverified Distribution Records

Recorded sightings from South Africa and Madagascar still need verification.

Primary Habitat Types

This is a secretive species that lives in coral reefs, lagoons, harbours, and open sandy flats.

Additional Habitats

It can also be found in rubble along reef edges, and in small patches of reef surrounded by sandy flats.

Depth Range and Diet

It occurs at depths up to 10 metres (33 ft), and feeds on small crustaceans.

Reproductive Traits

Adult brown-banded pipefish form monogamous pairs, and the species is ovoviviparous.

Male Brooding Location

Males brood fertilised eggs in a brood pouch located under their tail.

Brood Pouch Structure

The brood pouch covers the dorsal surface and sides of the egg mass, leaving the ventral surface exposed.

Male Maturation Size

Males become capable of brooding once they reach a total length of 57 millimetres (2.2 in).

Egg Mass Characteristics

The egg mass forms 2 to 17 transverse rows held within a gelatinous matrix.

Aquarium Trade Use

This species is traded for the aquarium trade.

Other Commercial Uses

Like other pipefishes and seahorses, it may also be dried and traded for use in traditional medicine, or sold as a curiosity.