Longfin dace
📖 Overview
Adults inhabit shallow sandy and rocky runs, flowing pools of creeks and small to medium rivers. They often occur near cover . Migratory behaviour is undetermined .
🔬 Taxonomy
🐟 Physical Description
Anal soft rays: 7. Agosia chrysogaster can be distinguished by its elongated lower lobe on anal fin in large female, 70-95 small lateral scales, small barbell at corner of mouth, long coiled intestine, black peritoneum, rounded snout, slightly subterminal mouth, dorsal fin origin above or slightly in front of pelvic fin origin, 7 anal rays, pharyngeal teeth 0,4-4.0. Color consists of dark gray above, dusky black band along silver side enlarged into black spot at caudal fin base, often gold flecks on side. Large male is light yellow below, with yellow paired fin bases, large dorsal fin .: fusiform / normal.
🌀 Behaviour
Behavioural data for Longfin dace is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; demersal. Subtropical; 35°N - 30°N North America: lower Colorado River drainage (primarily Gila and Bill William River systems) in New Mexico and Arizona, USA and south through southern Arizona and Pacific drainages of Mexico.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Longfin Dace |
| 🌍CES | jelčík dlouhoploutvý |
| 🌍LAV | Dzeltenvēdera agozija |
| 🇷🇺Russian | Агосия желтобрюхая |
| 🇪🇸Spanish | pupo panzaverde |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Agosia metallica | Girard | 1856 | Synonym |
| Hyborhynchus siderius | Cope | 1875 | Synonym |
| Rhinichthys chrysogaster | Girard | 1856 | Synonym |
🦠 Common Diseases
The following diseases are known to affect Longfin dace.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for Longfin dace ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.