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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Subtropical

Suckermouth minnow

Phenacobius mirabilis Girard, 1856
Max Length
12 cm
Max Weight
-
Lifespan
3 yrs
Trophic Level
2.9
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
27.00/100
Typical Length
4.6 cm
Depth Zone
demersal

📖 Overview

Adults inhabit gravel and rubble riffles and runs of clear to turbid creeks and small to medium, sometimes large rivers . They feed on insect larvae .

Scientific Name
Phenacobius mirabilis
Authority
Girard, 1856
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
12 cm
Lifespan
3 years
Trophic Level
2.9
Resilience
High
Vulnerability
27.00/100
Migration
Potamodromous
Water Temp
5–25 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Phenacobius mirabilis is distinguished by having the following characters: bicolored body, olive-brown above, silver white below; large fleshy lips; caudal fin base with intense black spot following thin dark stripe along side of body; 42-51 scales on lateral line; 15-17 scales around caudal peduncle; thin dark stripe along black; darkly outlined scales on black and upper side : elongated.

🌀 Behaviour

Behavioural data for Suckermouth minnow is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 6.5 - 7.8; dH range: 5 - 25; potamodromous . Subtropical; 5°C - 25°C ; 45°N - 30°N North America: Mississippi River basin; western Lake Erie drainage in Ohio and Michigan USA; isolated populations in Gulf drainages (Sabine River in Louisiana and Texas; Trinity and Colorado River in Texas; Pecos River in New Mexico).

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Potamodromous
Trophic Level
2.9±0.4
Food Items

insect larvae (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.1 (TL)
Max TL
12cm

🌡️ Water Parameters & Tolerance

Temperature Range
5–25°C
pH Range
6.5–7.8
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Girard, 1856

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