Robust ghost pipefish

Robust ghost pipefish
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Syngnathiformes
Family: Solenostomidae
Genus: Solenostomus
Species: S. cyanopterus
Binomial name
Solenostomus cyanopterus
Bleeker, 1854

The robust ghost pipefish (Solenostomus cyanopterus) is a species of false pipefishes belonging to the family Solenostomidae.

Description

Solenostomus cyanopterus can reach a length of 17 cm (6.7 in)[1] and it is the largest of the ghost pipefishes. The body may be grey, brown, pink, yellow, or bright green, with small black and white dots.[1] This cryptic species looks very similar to a drifting piece of seagrass. The caudal fin may be truncated, rounded, or lanceolated; the caudal peduncle is quite short or absent. The pelvic fin is sexually dimorphic.[1] It is an uncommon species related to pipefishes and seahorses. It can be distinguished by the presence of the pelvic fins, the prominent spiny dorsal fin, and 27–35 star-shaped plates on the skin.

Behavior

Solenostomus cyanopterus, conventional and X-ray images
Solenostomus cyanopterus at Sharm el Sheik

These fish float near motionlessly, with their mouths facing downwards, around a background that makes them nearly impossible to see. They feed on tiny crustaceans, sucked inside through their long snouts. They live in open waters except during breeding, when they find a coral reef or muddy bottom, changing color and shape to minimize visibility. Unlike true pipefish, female ghost pipefishes use their enlarged pelvic fins to brood their eggs until they hatch.

Distribution

This species lives in the Red Sea and in the tropical Indo-Pacific, from the coast of East Africa to Fiji, southern Japan and Australia.[1]

Habitat

The robust ghost pipefish is mostly pelagic and reef-associated. When it settles on the substrate for breeding, it can be found on coastal reefs and weedy areas, at a depth of 2–25 m (6 ft 7 in–82 ft 0 in).[1]

References

  1. 1 2 3 4 5 Solenostomus cyanopterus Bleeker, 1854. FishBase
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