Leafy Sea Dragon

NT Carnivore Seaweed Beds
Up to 0.5 g
Weight
Up to 10 yrs
Lifespan
N/A
Top Speed
Southern Australia
Found In

At just Up to 0.5 g, the Leafy Sea Dragon is one of the lightest carnivore fish (#10 of 10). Found in Southern Australia, it inhabits seaweed beds habitats.

Physical Characteristics & Habitat

Size & Speed

Metric Leafy Sea Dragon Carnivore Fish Median Difference
Weight 0.0 kg 55 kg ↓ 100%
Height 35 cm
Weight (kg)0.0avg 55Lifespan (yrs)10avg 30

Habitat & Distribution

The Leafy Sea Dragon inhabits seaweed beds habitats. It can be found in Southern Australia.

Typical coloring: Brown, Green.

Diet & Predators

Diet: Carnivore
Predators: Fish, Octopuses

Behavior & Reproduction

Social Structure

The Leafy Sea Dragon is a solitary species belonging to the Syngnathidae family.

Reproduction

Gestation Period: 30–40 days
Offspring per Birth: Up to 300
Lifespan: Up to 10 years

Conservation & Comparison

IUCN Conservation Status

NT The Leafy Sea Dragon is classified as Near Threatened. There are 14 species with the same status in our database.

Species Comparison

Among 11 carnivore fish, the Leafy Sea Dragon’s weight of Up to 0.5 g is significantly lower than the group median of 55 kg.

Weight rank: #13 of 14 Near Threatened species.

# Species Weight Status
1 White Rhinoceros 1800–2500 kg NT
2 Narwhal Up to 1600 kg NT
3 American Bison 318–1000 kg NT
4 Markhor Up to 110 kg NT
5 Gerenuk 28–52 kg NT

Related Species

How much does a Leafy Sea Dragon weigh?

A Leafy Sea Dragon typically weighs Up to 0.5 g, which is exceptionally low compared to the median of 55 kg among carnivore fish.

What is the conservation status of the Leafy Sea Dragon?

The Leafy Sea Dragon is classified as “Near Threatened”. There are 14 species with the same status in our database.

Where does the Leafy Sea Dragon live?

The Leafy Sea Dragon is found in Southern Australia, in seaweed beds habitats.

How does the Leafy Sea Dragon reproduce?

The Leafy Sea Dragon has a gestation period of 30–40 days and typically produces Up to 300 offspring per birth.

Data Sources: IUCN, WWF, National Geographic, Smithsonian Institution.

Last Updated: April 10, 2026