aquaculture, gamefish
📖 Overview
Inhabits cold streams and rivers in montane and piedmont landscapes with temperature usually not rising above 15° C during summer . Occurs over sandy and gravelly bottoms of running or standing clean and cold waters in the upper courses of Alpine rivers and glacial lakes . Feeds on a wide variety of aquatic and terrestrial invertebrates, shifting to fish diet when adult. Spawns in gravel of rivers and streams with swift water (0.4-0.5 m/s) at moderate depth (0.6-0.8 m). Lives up to at least 10 years. Threatened due to hybridization with introduced Salmo trutta and Salmo cenerinus, pollution, overfishing and river regulation. Only a few pure populations remain and stocking of pure strains has improved the situation. Conservation status is under least concern category, but might return to a threatened category if conservation measures end .
🔬 Taxonomy
🐟 Physical Description
Distinguished from all congeners in Adriatic basin by having the following unique characters: body silvery to olive-green with irregular brown lines forming a marbled pattern; and no parr marks in individuals larger than 6 cm SL. Differs further by the combination of the following characters: red spots confined to lateral line, absent in some individuals and populations; opercle with brownish blotches or lines; head length 22-25% SL; eye diameter 1.7-2.2 times in interorbital distance, 3.1-4.3 times in postorbital length (at 25-35 cm SL) .: fusiform / normal.
🌀 Behaviour
Behavioural data for aquaculture, gamefish is currently being reviewed.
🦐 Diet
Diet information for aquaculture, gamefish is currently being compiled.
🥚 Reproduction
Does not undertake spawning migrations or undertake migrations only at very short distances. Individuals foraging in lakes move to lake tributaries to spawn. Males begin occupying spawning grounds about one week before females. Eggs hatch in about 45 days. Alevins commence feeding 59-63 days after spawning at 10° C .
🌍 Habitat & Distribution
Freshwater; demersal; anadromous . Subtropical; 2°C - 15°C ; 47°N - 43°N, 7°E - 20°E
🌿 Ecology
a wide variety of aquatic and terrestrial invertebrates, shifting to fish diet when adult
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
⚡ Nutrition
Detailed nutritional data for aquaculture, gamefish is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for aquaculture, gamefish has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔍 Similar Species
👥 Community & Contribute
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