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💧 Freshwater Least Concern 🌡️ Subtropical

Mississippi silvery minnow

Hybognathus nuchalis Agassiz, 1855
Max Length
18 cm
Max Weight
-
Lifespan
2 yrs
Trophic Level
-
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
12.5 cm
Depth Zone
-

📖 Overview

Adults occur in pools and backwaters of low-gradient creeks and small to large rivers . Oviparous, probably open substratum spawners like congeners . Migratory behaviour is undetermined .

Scientific Name
Hybognathus nuchalis
Authority
Agassiz, 1855
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
18 cm
Lifespan
2 years
Resilience
Medium
Vulnerability
37.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Cypriniformes
Cypriniformes
Family
Cyprinidae
Cyprinidae
Genus
Hybognathus
Hybognathus
Species
Mississippi silvery minnow
Hybognathus nuchalis

🐟 Physical Description

: elongated.

🌀 Behaviour

Behavioural data for Mississippi silvery minnow is currently being reviewed.

🦐 Diet

Diet information for Mississippi silvery minnow is currently being compiled.

🥚 Reproduction

Reproduction data for Mississippi silvery minnow is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Subtropical; 44°N - 26°N North America: lowland areas of Mississippi River basin from Ohio to Minnesota and south to Louisiana, USA; Gulf drainages from Mobile Bay in Alabama to Brazos River in Texas, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.1 (TL)
Max TL
18cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Agassiz, 1855

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Tirodon amnigenus Hay 1882 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 29 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Mississippi silvery minnow ↗
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