Longnose Weedfish

Heteroclinus Tristis
Longnose Weedfish - Marinewise © 2026 MarineWise

Quick Facts

Scientific nameHeteroclinus Tristis
Other namesForster's Weedfish, Sharpnose Weedfish
SizeUp to 30 cm (11 in)
WeightUp to .25 kg (.55 lb)
FamilyWeedfish / Clinidae

Distribution

Habitat & AU DistributionCoastal waters near sandy, weedy & seagrass areas of rocky reefs
Depth Range1 - 15 m (50 ft)
Longnose Weedfish Distribution
Species Interaction

Snorkeling & Diving

Longnose Weedfish are fascinating to observe in the wild, making them a popular sight for snorkelers and divers along the Australian coast. Their ability to blend with their surroundings and their intricate movements among the algae and weed beds can provide an exciting and immersive experience.

Scientific Classification

Kingdom: Animalia

Phylum: Chordata

Class: Actinopterygii

Order: Perciformes

Family: Clinidae

Genus: Heteroclinus

Species: Heteroclinus Tristis

Conservation Status

In Australia, the Longnose Weedfish is considered to be of “Least Concern” in terms of conservation status. This indicates that the species is not currently facing significant threats or declines in population size.

Recreational Viewing
- Snorkeling & Scuba

Finding: Intermediate

Temperament: Peaceful

Location: Inner Reef, Lagoon, Seagrass Beds

Danger: None