Sea Dragon
Phycodurus eques
Living individuals or members of this group exist today. This does not mean they are safe from extinction.
The leafy seadragon is an Australian fish whose appendages resemble seaweed. Its narrow, toothless snout draws in tiny prey by suction.

At a glance
- Location
- Temperate waters off southern Australia, among seagrass, seaweed beds and rocky reefs.
- Habitat
- Coast
- Diet
- Carnivore
- Food
- Mysid shrimp, plankton and larval fish.
Classification
- Common name
- Sea Dragon
- Browse group
- Fish
- Scientific name or taxon
- Phycodurus eques
- Taxon rank
- species
- Order
- Syngnathiformes
- Family
- Syngnathidae
- Genus
- Phycodurus
- Source classification
- Actinopterygii
Taxonomy checked against GBIF. For breeds and hybrids, this describes the listed parent taxon.
Measurements
Size and speed
- Length
- About 30 cm average length reported by Animal Diversity Web
Typical adult ranges. Source: Animal Diversity Web.
Three things to know
- Its snout works by suction.
- The leaf-like projections help it blend with vegetation.
- Its natural range is southern Australia.
Habitat and range
Temperate waters off southern Australia, among seagrass, seaweed beds and rocky reefs.
Appearance and adaptations
Leaf-like projections disguise the outline of a body protected by bony rings. A long tube-shaped snout ends in a small mouth.
Diet and behaviour
It moves slowly through vegetation and draws small animals into its mouth. The resemblance to surrounding plants helps it approach prey without attracting attention.
Sources
- Animal Diversity Web: Phycodurus eques
- A–Z Animals: Sea Dragon · Directory entry
Explore fish
Browse all fish
Fish
Anglerfish
Lophiiformes
Anglerfishes include many different marine hunters.
Living
Fish
Atlantic Cod
Gadus morhua
The Atlantic cod is a cold-water fish of the North Atlantic.
Living
Fish
Atlantic mackerel
Scomber scombrus
Atlantic mackerel are streamlined schooling fishes of northern seas.
Living
NTFish
Atlantic salmon
Salmo salar
The Atlantic salmon hatches in a river, grows up at sea, and returns to the same river to spawn.
Living