Allegheny pearl dace
📖 Overview
Adults inhabit pools of upland creeks and small rivers, and also ponds and lakes. Usually found over sand or gravel . They feed on copepods, cladocerans, chironomids, beetles, filamentous algae, and Chara . Spawning occurs in spring .
🔬 Taxonomy
🐟 Physical Description
Margariscus margarita is almost identical to Margariscus nachtriebi but can be distinguished from this species by having larger scales and usually 50-62 lateral scales .: elongated.
🌀 Behaviour
Behavioural data for Allegheny pearl dace is currently being reviewed.
🦐 Diet
Diet information for Allegheny pearl dace is currently being compiled.
🥚 Reproduction
Spawning occurs in shallow rivers with moderate current, on sand or gravel. Males maintained territories 20.3 cm wide (at least 1.83 m apart from each other). A ripe female is driven onto the territory. The male places his pectoral fin beneath the female's body anteriorly, and his caudal fin placed over the caudal peduncle of the female. The pair vibrates and the eggs are deposited. Females spawn with different males.
🌍 Habitat & Distribution
Freshwater; demersal; non-migratory . Temperate; 45°N - 37°N North America: Atlantic Slope of USA from Hudson River drainage in Vermont and New York, south to Potomac River drainage in Virginia; upper Ohio River drainages in south New York to West Virginia (Ref.
🌿 Ecology
copepods, cladocerans, chironomids, beetles, filamentous algae, and Chara (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Allegheny Pearl Dace · pearl dace · Lake Chub · Nachtrieb Dace · Northern Dace · Northern Minnow · Northern Pearl Dace |
| 🌍CES | jelčík perleťový |
| 🇫🇷French | mulet perlé · mulet perlé du nord |
| 🇷🇺Russian | Жемчужный елец |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Clinostomus margarita | Cope | 1867 | Synonym |
| Leuciscus carletoni | Kendall | 1903 | Synonym |
| Leuciscus margarita | Cope | 1867 | Synonym |
| Semotilus margarita | Cope | 1867 | Synonym |
| Semotilus marginata | Cope | 1867 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 49 records indexed .
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