New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater 🌡️ Subtropical

Unspecked hardyhead

Craterocephalus fulvus Ivantsoff, Crowley & Allen, 1987
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
25.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Unspecked hardyhead (Craterocephalus fulvus), first described by Ivantsoff, Crowley & Allen, 1987 is a fish in the family Atherinidae (order Atheriniformes). It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Craterocephalus fulvus
Authority
Ivantsoff, Crowley & Allen, 1987
Habitat
Freshwater
Climate
Subtropical
Trophic Level
3
Resilience
High
Vulnerability
25.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Unspecked hardyhead is currently being compiled.

🌀 Behaviour

Behavioural data for Unspecked hardyhead is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; pelagic. Subtropical north as the Mary River, Queensland in Australia.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3±0.4

📐 Morphometrics

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

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Subtropical
Described By
Ivantsoff, Crowley & Allen, 1987

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Barcoo Hardyhead · Tawny Hardyhead · Unspecked Hardyhead
🌍CES gavún plavý

Scientific Synonyms

Scientific Name Author Year Status
Craterocephalus stercusmuscarum fulvus Ivantsoff, Crowley & Allen 1987 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Unspecked hardyhead ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.