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💧 Freshwater Critically Endangered 🌡️ Temperate

Flathead galaxias

Galaxias rostratus Klunzinger, 1872
Max Length
12 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
24.00/100
Typical Length
9 cm
Depth Zone
-

📖 Overview

Facultative air-breathing in the genus ; Inhabits stream margins over rock or sand bottoms, sometimes among aquatic vegetation. Still or gently flowing water on the margins of lakes, billabongs and streams. Usually swims in midwater over rock or sand bottoms, also in the vicinity of aquatic plants. Shoal forming . Feeds on a wide range of aquatic insects and crustaceans. Spawning has been recorded between August and September . Each spawning female releases 3,000-7,000 eggs which are slightly adhesive and settle to the bottom. Hatching in nine days at 9-14°C; newly hatched fry are 6-7 mm long.

Scientific Name
Galaxias rostratus
Authority
Klunzinger, 1872
Habitat
Freshwater
Climate
Temperate
IUCN Status
CR
Max Length
12 cm
Trophic Level
3.3
Resilience
High
Vulnerability
24.00/100
Water Temp
10–26 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Flathead galaxias is currently being compiled.

🌀 Behaviour

Behavioural data for Flathead galaxias is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Temperate; 10°C - 26°C ; 33°S - 36°S South Australia, Victoria and New South Wales, Australia.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4
Food Items

a wide range of aquatic insects and crustaceans

📐 Morphometrics

Length–Weight Relationship: W = 0.0049 × L3.12 (TL)
Max TL
12cm

🌡️ Water Parameters & Tolerance

Temperature Range
10–26°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Temperate
Described By
Klunzinger, 1872

👥 Community & Contribute

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