Spottted Armour Gurnard
Satyrichthys Rieffeli
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Quick Facts
Distribution
- The Spotted Armour Gurnard is a deep-sea fish covered in bony armour plates, giving it a rigid, almost prehistoric look. It can grow to about 48 cm long.
- This fish lives on the seabed in deep water, typically found between about 88 and 270 m down in Australian waters. That is well beyond where most recreational divers ever reach.
- In Australia, it has been recorded from deeper offshore waters. Its wider range stretches across the Indo-Pacific, from Japan and the East China Sea through Indonesia to Australia.
- The Spotted Armour Gurnard belongs to the armour gurnard family. These fish are fully encased in rows of hard bony plates rather than ordinary scales, making them unlike almost anything else in the sea.
- One of the easiest ways to recognise this species is by the scattered dark spots across its head and body. The spots give it its common name and help tell it apart from other armour gurnards.
- Like other members of its family, it has small whisker-like growths called barbels around its chin and lips. These likely help it sense vibrations along the sandy or muddy seabed.
- The Spotted Armour Gurnard searches the seafloor for small crustaceans, worms and other tiny bottom-dwelling animals, using the sensitive feelers beneath its head to help locate food.
- Armour gurnards in this group lack teeth on the upper jaw, which shapes how they feed. They probably root through soft sediment on the bottom, picking up small animals rather than chasing prey.
- Life on the deep seabed is slow and quiet. Fish that live at these depths tend to be less studied than those closer to the surface, and the Spotted Armour Gurnard is no exception.
Species Interaction
Spotted Armour Gurnard: A Deep-Water Fish Rarely Seen
- Research & Rare Encounters
- Ecosystem Role
The Spotted Armour Gurnard lives on soft sediment bottoms across the Indo-Pacific at depths that put it well beyond the reach of recreational fishers and divers. It occasionally appears as bycatch in deep-water trawl fisheries operating in the region, noted in ecological risk assessments for Australian Commonwealth fisheries as a minor incidental catch. Outside of that, it has almost no documented interaction with people, and what little is known comes from trawl surveys and museum specimens.
Scientific Classification
- Kingdom: Animalia
- Phylum: Chordata
- Class: Teleostei
- Order: Perciformes
- Family: Peristediidae
- Genus: Satyrichthys
- Species: Satyrichthys rieffeli
Conservation Status
The conservation status of the Spotted Armour Gurnard has not been assessed by the IUCN Red List, and it holds no listing under Australia’s EPBC Act. It is a deepwater species rarely encountered in targeted fisheries, and no stock assessments or population trend data were located for Australian waters.
Interaction Highlights
Research
Known mainly from trawl surveys and museum specimen records across the Indo-Pacific.
Ecosystem
A benthic predator on soft-sediment slopes, part of the deep demersal community.
Elusive / Overlooked Species
Finding: Difficult
Temperament: Shy
Location: Deepsea, Outer reef
Danger: None
