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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Subtropical

Long-rayed weed whiting

Siphonognathus radiatus Quoy & Gaimard, 1834
Max Length
18 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
1–18 m
Climate
Subtropical
Resilience
High
Vulnerability
30.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Long-rayed weed whiting (Siphonognathus radiatus), first described by Quoy & Gaimard, 1834 is a medium-sized fish in the family Labridae (order Perciformes). Adults typically reach 18.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 1 to 18 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.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Labridae kept in the hobby.

Scientific Name
Siphonognathus radiatus
Authority
Quoy & Gaimard, 1834
Habitat
Marine
Climate
Subtropical
IUCN Status
LC
Max Length
18 cm
Depth Range
1–18 m
Trophic Level
3.4
Resilience
High
Vulnerability
30.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Long-rayed weed whiting is currently being compiled.

🌀 Behaviour

Behavioural data for Long-rayed weed whiting 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; brackish; reef-associated; depth range 1 - 18 m . Subtropical; 32°S - 42°S Indian Ocean: southern Australia, from Fisherman Islands, Western Australia to Portland, Victoria; including the Furneaux Group and the Tamar River Estuary in northern Tasmania.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🪸 Reef Associated
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
18cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Subtropical
Described By
Quoy & Gaimard, 1834

🦠 Common Diseases

The following diseases are known to affect Long-rayed weed whiting.

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