Schultz's Pipefish
Schultz's Pipefish
Schultz's Pipefish
Schultz's Pipefish
Schultz's Pipefish
Fishes · Bony fishes · Pipefishes

Schultz's Pipefish

Corythoichthys schultzi Herald, 1953
16 cm2-30 mLeast Concern
743

Corythoichthys schultzi, commonly known as Schultz's pipefish, is a member of the Syngnathidae family. The genus name, Corythoichthys, is derived from the Greek words coris meaning "helmet" and ichthus meaning "fish." The specific name schultzi is a tribute to Leonard Peter Schultz, an esteemed American ichthyologist associated with the Smithsonian Institution in Washington.

Males of the Corythoichthys schultzi species can attain a maximum length of up to 16 centimeters (6.3 inches). The species features a cylindrical and highly elongated body. Notably, Schultz's pipefish exhibits cryptic coloration, which serves as effective camouflage against both predators and prey. The primary body coloration is whitish, complemented by small black, brown, and reddish markings, alongside yellowish rings. Distinctive features include protruding eyes and a long, slightly compressed snout narrower than the body. While a caudal fin is present, it is relatively small in size. Adults may form small aggregations. Being ovoviviparous, the male carries eggs in a brood pouch located under the tail, where young pipefishes develop.

This species is distributed extensively across the 🌊 Indo-Pacific Oceans, ranging from the 🌊 Red Sea and East Africa to 🇹🇴 Tonga, encompassing regions such as 🇫🇲 Micronesia, northern 🇦🇺 Australia, and 🇳🇨 New Caledonia (🇫🇷 Overseas France).

Corythoichthys schultzi is a benthic species associated primarily with coral reefs, commonly found in lagoon and seaward reef environments at depths of 2 to 30 meters (6.6 to 98.4 feet). In open environments, adults are frequently observed in pairs or small groups, seeking secure locations to rest during nighttime.

Why it's threatened

Residential & commercial development
Housing & urban areas · Commercial & industrial 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

Corythoichthys schultzi is under threat from coral reef and seagrass habitat degradation and loss resulting from coastal development, pollution, sedimentation, destructive fishing practices such as dynamite and bottom trawling, and climate change that is leading to increased sea surface temperatures and increased extreme weather events, and ocean acidification (Bruno and Selig 2007, Carpenter et al. 2008, Waycott et al. 2009, Short et al. 2011, De'Ath et al. 2012). The species is known to utilize habitat types other than coral and seagrass, so it's not likely that declines have surpassed threshold values for the species to be assessed as threatened.

This species is caught as bycatch (El-Ganainy et al. 2005), and is common in the aquarium trade (Krause 2011), but levels of offtake from wild sources have not been quantified.

Threat classification from the IUCN Red List.

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Last Update: June 28, 2026