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🌊 Marine 🌡️ Temperate

Estuarine hardyhead

Craterocephalus honoriae Ogilby, 1912
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
19.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Predominantly carnivorous. Frequently caught in estuaries and enclosed coastal lakes. Preyed on by larger, juvenile of commercial species occurring in estuarine nursery habitats.

Scientific Name
Craterocephalus honoriae
Authority
Ogilby, 1912
Habitat
Marine
Climate
Temperate
Body Shape
Elongated
Max Length
7 cm
Trophic Level
3.2
Resilience
High
Vulnerability
19.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 7 - 8; Anal spines: 1; Anal soft rays: 9 - 12. Gill rakers on first lower gill arch 12-15. Midlateral scales 33-36.: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Estuarine 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; brackish; demersal. Temperate endemic to Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
7cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
1
Anal Rays
11

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Ogilby, 1912

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Estuarine Hardyhead
🌍CES gavún gueenslandský

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 4 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Estuarine hardyhead ↗
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