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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Temperate

Brassy minnow

Hybognathus hankinsoni Hubbs, 1929
Max Length
9.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
28.00/100
Typical Length
7.6 cm
Depth Zone
demersal

📖 Overview

Adults occur in cool pools of sluggish, clear creeks and small rivers, usually over sand or gravel; more abundant in cool acid waters of silt-bottomed bog ponds . They probably feed on phytoplankton and other algae, zooplankton, and aquatic insects . Oviparous, open substratum spawners . Probably spawn in May or June over silty bottoms of calm waters . Predators may include brook trout, kingfishers, and mergansers . Migratory behaviour is undetermined .

Scientific Name
Hybognathus hankinsoni
Authority
Hubbs, 1929
Habitat
Freshwater
Climate
Temperate
IUCN Status
LC
Max Length
9.7 cm
Trophic Level
3.1
Resilience
Medium
Vulnerability
28.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Brassy minnow is currently being compiled.

🌀 Behaviour

Behavioural data for Brassy minnow is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
5.7cm TL

🌍 Habitat & Distribution

Freshwater; demersal. Temperate; 58°N - 37°N North America: St.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.4
Food Items

phytoplankton and other algae, zooplankton, and aquatic insects (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.1 (TL)
Max TL
9.7cm

🌡️ 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
28.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Temperate
Described By
Hubbs, 1929

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