Fishes · Bony fishes · Ghost pipefishes

Ornate Ghost Pipefish

Solenostomus paradoxus (Pallas, 1770)

syn. Fistularia paradoxa, Solenostomatichthys paradoxus

12 cmLeast Concern

929

The Solenostomus paradoxus, more commonly referred to as the ornate ghost pipefish or harlequin ghost pipefish, is a member of the Solenostomidae family. Its nomenclature is derived from the Greek term "paradoxos," highlighting the distinct external morphology of this species. The ornate ghost pipefish predominantly inhabits the reef peripheries within the Western Pacific and 🌊 Indian Ocean that are subject to vigorous currents, with a geographical spread extending from the 🌊 Red Sea to 🇹🇴 Tonga.

Adult specimens can attain an overall body length of up to 12 centimeters. Their coloration exhibits remarkable variability, encompassing a spectrum that includes hues of red, yellow, and black, with a pronounced near-transparent quality. Despite their relative prevalence within their native range, the ornate ghost pipefish's sophisticated camouflage renders detection by observers notably challenging.

These creatures are typically observed either individually or in pairs, intricately blending into their surroundings among the branches of gorgonians, amidst floating seaweed, or within the arms of crinoids. Their diet consists primarily of mysids and diminutive benthic shrimp, which they capture through ambush predation facilitated by their adept camouflage.

Why it's threatened

Residential & commercial development

Housing & urban areas · Tourism & recreation areas

Biological resource use

Unintentional effects: (subsistence/small scale) [harvest] · Unintentional effects: (large scale) [harvest]

Pollution

Sewage · Run-off · Nutrient loads · Soil erosion, sedimentation

Climate change & severe weather

Habitat shifting & alteration · Temperature extremes

There are no known major threats to this species. But coral reefs in Southeast Asia are threatened by destructive fishing practices (e.g. poison fishing, blast fishing), coastal development, pollution (e.g. oil spills, agricultural run-off), sedimentation, overfishing, and climate change (Burke et al. 2002, Chan and Hodgson 2017, Selgrath et al. 2018). Coral reefs within the Coral Triangle are also projected to continue declining in the future from increases in ocean temperature and acidification (Cornwall et al. 2021, McManus et al. 2020). This species occurs in seven of the ten regions denoted by the Global Coral Reef Monitoring Network. These seven regions contribute to over 88.9% of global coral reefs and, in 2020, were all reported to be under long-term decline, where region-specific loss ranged from 0.1 to 8.7% since 2005 (Souter et al. 2021).

Seagrass beds are declining globally (Waycott et al. 2009). Water quality (e.g., algal blooms, ocean acidification, sedimentation) and coastal development (e.g., port construction, land-use change, dredging) are the most well-attributed drivers of seagrass declines (Dunic et al. 2021). Hydrology (e.g., coastal erosion, flooding), storms, poor land management, and aquaculture are other threats to global seagrass beds (Dunic et al. 2021, Van Niekerk et al. 2019). Seagrass beds may also be threatened by higher temperatures from climate change, for example, by increasing grazing pressures from poleward shifts in tropical herbivores (Duarte et al. 2018). From 1880 to 2016, global seagrass extent is estimated to have declined by 19.1% (Dunic et al. 2021). Net change in seagrass area for assessed regions of this species' distribution exhibit declines ranging from 16.2 to 32.3% between 1900 and 2016 (Dunic et al. 2021).

Estuaries have been affected globally in the last decade by increased salt intrusion due to anthropogenic pollution from coastal development and climate change (Lee et al. 2024, Kennish 2002).

Overall, several habitats this species uses are threatened, but it is somewhat of a habitat generalist.

This species may also be taken incidentally as by-catch, but this has not been documented.

Threat classification from the IUCN Red List.

Affiliate partner

Quick facts

GroupGhost pipefishes

Max size12 cm

Conservation status

Least Concern

The species is doing well and widespread. Not currently at risk of extinction.

Common names

EnglishOrnate Ghost Pipefish, Harlequin ghost pipefish, Ghost Pipefish