Siphonognathus Argyrophanes
Tubemouth - Marinewise © 2023 MarineWise

Quick Facts

Scientific name Siphonognathus Argyrophanes
Family Weed Whiting / Odacidae
Size Up to 40 cm (15.74 in)
Weight Up to .50 kg (1.10 lb)


Habitat & AU Distribution Coastal waters amongst thick growths of seagrass
Depth Range 1 - 40 m (131 ft)
Tubemouth Distribution

Interesting Info

  • The Tubemouth (Siphonognathus Argyrophanes) are predominantly found in shallow coastal waters along the southern coasts of Australia, from Victoria, South Australia, Tasmania and southern parts of Western Australia.
  • They have a very elongated, or narrow body, similar to that of a pipefish or trumpetfish. They have a greenish coloration with black and reddish stripes that run the length of their body. Providing amble camouflage in the Posidonia seagrass environments they live in.
  • They are carnivores, feeding primarily on small fish and crustaceans like shrimp.
  • The Tubemouth has the rare ability for a fish, to turn its head side to side without turning or arching their body.
  • The breeding season for Tubemouth’s are not widely document but thought to happen during the warmer months of the austral summer.
  • Their estimated average lifespan is between 5 – 7 years.
Species Interaction

Snorkeling & Diving

The Tubemouth presents a challenge in identifying in its habitat of dense seagrass beds, owing to its exceptional camouflage. Nonetheless, observant snorkelers or divers with patience can be rewarded with occasional sightings of this hard to find species.

Scientific Classification

Kingdom: Animalia

Phylum: Chordata

Class: Actinopterygii

Order: Perciformes

Family: Labridae

Genus: Siphonognathus

Species: Siphonognathus Argyrophanes

Conservation Status

The conservation status of the Tubemouth in Australia is categorised as “Least Concern” by the International Union for Conservation of Nature (IUCN). However, conservation statuses can change over time, so it’s essential to check for the most recent updates from relevant authorities.

Recreational Viewing
- Snorkeling & Scuba

Finding: Intermediate

Temperament: Peaceful

Location: Seagrass Beds

Danger: None

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