Dusky darter
📖 Overview
Inhabit fast gravel runs, sometimes riffles, of creeks and small to medium rivers. Often found near brush . Young are found in shallower gravel riffles . Juveniles feed on midge and blackfly larvae; adults consume caddisfly and mayfly larvae . Males are larger and darker in color during breeding .
🔬 Taxonomy
🐟 Physical Description
: elongated.
🌀 Behaviour
Behavioural data for Dusky darter is currently being reviewed.
🦐 Diet
Diet information for Dusky darter is currently being compiled.
🥚 Reproduction
While in captivity, males exhibit tail-beating while infront of a large female aside from color changes as prespawning behavior . 'The generalized condition of a midventral row of specialized scales suggests that the male mounts the female and aligns his body with hers during fertilization and deposition of the eggs' .
🌍 Habitat & Distribution
Freshwater; benthopelagic; pH range: 6.8 - 7.8; dH range: 8 - 18. Temperate; 10°C - 24°C ; 41°N - 29°N North America: Mississippi River basin from Ohio and West Virginia to eastern Illinois and south to Louisiana in the USA; Gulf drainages from Black Warrior River in Alabama to Guadalupe River in Texas, USA.
🌿 Ecology
midge and blackfly larvae; adults consume caddisfly and mayfly larvae (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | dusky darter |
| 🌍CES | percina říční |
| 🇩🇰Danish | Dunkel smutte |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Hadropterus scierus | Swain | 1883 | Synonym |
| Hadropterus scierus serrula | Jordan & Gilbert | 1886 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 15 records indexed .
👥 Community & Contribute
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