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🌊 Marine 🌡️ Temperate

Smallscale hardyhead

Atherinason hepsetoides Richardson, 1843
Max Length
9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
1–30 m
Climate
Temperate
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Found on the continental shelf, inshore waters . Often found in estuaries and recorded in coastal bays .

Scientific Name
Atherinason hepsetoides
Authority
Richardson, 1843
Habitat
Marine
Climate
Temperate
Body Shape
Elongated
Max Length
9 cm
Depth Range
1–30 m
Trophic Level
3.3
Resilience
High
Vulnerability
24.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Atherinason
Atherinason
Species
Smallscale hardyhead
Atherinason hepsetoides

🐟 Physical Description

Dorsal spines (total): 6 - 11; Dorsal soft rays (total): 9 - 13; Anal spines: 1; Anal soft rays: 11 - 14. Body slightly compressed and sides flattened .: elongated.

🌀 Behaviour

Behavioural data for Smallscale hardyhead 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; pelagic-neritic; depth range 1 - 30 m , usually 1 - 4 m . Temperate; 34°S - 40°S endemic to southern Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00537 × L3.09 (TL)
Max TL
9cm
Dorsal Spines
9
Dorsal Rays
11
Anal Spines
1
Anal Rays
13

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Richardson, 1843

👥 Community & Contribute

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