Blacknose dace
📖 Overview
Adults inhabit rocky runs and pools of headwaters, creeks and small rivers . They feed on aquatic insects , diatoms and other algae . Considered as an attractive aquarium pet and propagation through artificial fertilization is practical .
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 8; Anal soft rays: 7. Rhinichthys atratulus can be diagnosed by the following characters: back and side with many brown-black specks; deep caudal peduncle; barbel in corner of mouth; groove separating snout from upper lip absent; pointed snout slightly overhangs mouth; 53-70 scales on lateral line; 7 anal rays; pharyngeal teeth 2,4-4,2. Body light brown above, black spot followed by silver spot on dorsal fin base; black stripe along side, through eye and onto snout, continuous in young, as blotches in adult; often a silver stripe above black stripe; and silver white below. Breeding male can be distinguished by having pads on upper surface of pectoral fin, yellow-white pectoral and pelvic fins, white to red stripe below black body stripe . Body stout, spindle-shaped; mouth slightly inferior, slightly oblique and extending to below nostril; pointed barbel in groove at angle of mouth. Gill rakers short, conical, widely spaced .: fusiform / normal; Cross section: compressed.
🌀 Behaviour
Behavioural data for Blacknose dace is currently being reviewed.
🦐 Diet
Diet information for Blacknose dace is currently being compiled.
🥚 Reproduction
Reproduction data for Blacknose dace is currently being compiled.
🌍 Habitat & Distribution
Freshwater; demersal; potamodromous . Temperate; 0°C - 29°C ; 57°N - 34°N North America: Atlantic, Great Lakes, Hudson Bay, Mississippi River, and upper Mobile Bay drainages Nova Scotia to Manitoba, Canada and south to northern Georgia and northern Alabama, USA.
🌿 Ecology
aquatic insects (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Blacknose Dace · Eastern Blacknose Dace |
| 🌍CES | jelčík černorypý |
| 🇩🇰Danish | Sortsnudet skalle |
| 🇩🇪German | Amerikanische Schwarznase · Schwarznasiger Weißfisch |
| 🇫🇮Finnish | Mustajuovaseipi · Mustakuonobarbi |
| 🇫🇷French | naseux noir · naseux noir de l'est · naseux noir de l’est |
| 🇷🇺Russian | Елец черноносый |
| 🇨🇳Chinese | 黑吻鱥 |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Cyprinus atratulus | Hermann | 1804 | Synonym |
| Cyprinus atronasus | Mitchill | 1815 | Synonym |
| Cyprinus vittatus | Rafinesque | 1817 | Synonym |
| Leuciscus croceus | Storer | 1845 | Synonym |
| Rhinichthys atratulus atratulus | - | - | Synonym |
| Rhinichthys atratulus meleagris | Agassiz | 1854 | Synonym |
| Rhinichthys atronasus | Hermann | 1804 | Synonym |
| Rhinichthys badius | Garman | 1881 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 968 records indexed .
👥 Community & Contribute
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