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🌊 Marine Least Concern 🌡️ Subtropical

Large-nose weedfish

Heteroclinus nasutus Günther, 1861
Max Length
9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
1–10 m
Climate
Subtropical
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Large-nose weedfish (Heteroclinus nasutus), first described by Günther, 1861 is a small fish in the family Clinidae (order Blenniiformes). Adults typically reach 9.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 1 to 10 metres. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Heteroclinus nasutus
Authority
Günther, 1861
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
9 cm
Depth Range
1–10 m
Trophic Level
3.4
Resilience
High
Vulnerability
13.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 30 - 34; Dorsal soft rays (total): 3 - 4; Anal spines: 2; Anal soft rays: 18 - 23. Pelvic fin rays thick, finger-like . Uniformly light brown to greenish; some pale mottling, usually a distinct dark stripe through eye, white on snout .: elongated.

🌀 Behaviour

Behavioural data for Large-nose weedfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 1 - 10 m . Subtropical Southwest Pacific: central New South Wales to Port Phillip Bay, Victoria, USA.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00501 × L3.06 (TL)
Max TL
9cm
Dorsal Spines
32
Dorsal Rays
4
Anal Spines
2
Anal Rays
21

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Günther, 1861

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