Dalhousie hardyhead
📖 Overview
Inhabits warm water artesian springs and their outlet streams . Tolerates temperatures ranging from 20°-39°C, but has been recorded briefly entering water of 41.8°C to feed. A diurnally-active species which has one of the highest recorded voluntary temperature tolerances of any fish species in the world . Feeds on gastropods, aquatic plants , green filamentous algae, detritus and small invertebrates which are taken from the bottom . Dimorphic: bigger females with concave head and flat belly, long cylindrical sac-like ovary on left side of fish while the yellow-white testis lies on the right side. Appears to suffer thermal stress above 38°C but can tolerate low oxygen levels .
🔬 Taxonomy
🐟 Physical Description
Physical description for Dalhousie hardyhead is currently being compiled.
🌀 Behaviour
Behavioural data for Dalhousie hardyhead is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic. Tropical; 26°S - 27°S South Australia.
🌿 Ecology
gastropods, aquatic plants (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Dalhousie Hardyhead |
| 🌍CES | gavún teplomilný |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .
👥 Community & Contribute
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