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💧 Freshwater Least Concern 🌡️ Temperate

Lake Eyre hardyhead

Craterocephalus eyresii Steindachner, 1883
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
25.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits swamps, ponds, lakes, rivers, streams and lagoons. Common throughout its range, usually among weeds and over gravel beds in lakes or slow-flowing sections of streams. Occurs in both turbid and clear water: 0-110ppt, 10°-37°C. Also found in ephemeral rivers, streams, natural springs, salt lakes and man-made bores, usually around submerged vegetation over gravel substrates. Seeks refuge in bores and semi-permanent waterholes during droughts. Feeds on microcrustaceans. Breeds from January to March, and also opportunistically during floods. Important in the diet of many waterbirds including herons, cormorants and pelicans .

Scientific Name
Craterocephalus eyresii
Authority
Steindachner, 1883
Habitat
Freshwater
Climate
Temperate
IUCN Status
LC
Max Length
10 cm
Trophic Level
3
Resilience
High
Vulnerability
25.00/100
Water Temp
24–30 °C

🔬 Taxonomy

🐟 Physical Description

Physical description for Lake Eyre hardyhead is currently being compiled.

🌀 Behaviour

Behavioural data for Lake Eyre hardyhead is currently being reviewed.

🦐 Diet

Diet information for Lake Eyre hardyhead is currently being compiled.

🥚 Reproduction

Reproduction data for Lake Eyre hardyhead is currently being compiled.

🌍 Habitat & Distribution

Freshwater; brackish; benthopelagic. Temperate; 24°C - 30°C ; 23°S - 36°S South Australia.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish
Trophic Level
3±0.4
Food Items

microcrustaceans

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
10cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–30°C

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Temperate
Described By
Steindachner, 1883

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Central Australian Hardyhead · Desert Hardyhead · Lake Eyre Hardyhead
🌍CES gavún jezerní
🇷🇺Russian Австралийская твердоголовка

Scientific Synonyms

Scientific Name Author Year Status
Atherina interioris Zietz 1909 Synonym
Atherinichthys eyresii Steindachner 1883 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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