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💧 Freshwater Least Concern 🌡️ Temperate

Mountain sucker

Pantosteus platyrhynchus Cope, 1874
Max Length
25 cm
Max Weight
-
Lifespan
9 yrs
Trophic Level
2.3
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
34.00/100
Typical Length
11.3 cm
Depth Zone
demersal

📖 Overview

Adults occur in various habitats, but most common in rocky riffles and runs of clear mountain creeks and small to medium rivers. Rarely found in lakes . They feed on diatoms, other algae, higher plants, dipterous larvae and pupae . Spawning adults may be preyed upon by birds and mammals while small individuals may be preyed upon by stream salmonids . Edible.

Scientific Name
Pantosteus platyrhynchus
Authority
Cope, 1874
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
LC
Max Length
25 cm
Lifespan
9 years
Trophic Level
2.3
Resilience
Medium
Vulnerability
34.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Pantosteus
Pantosteus
Species
Mountain sucker
Pantosteus platyrhynchus

🐟 Physical Description

: elongated.

🌀 Behaviour

Behavioural data for Mountain sucker is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal; potamodromous . Temperate; 54°N - 38°N North America: Canada and USA from Saskatchewan River system and Fraser River drainage south through upper Missouri and Colorado River drainages to Colorado and Utah; Lahontan basin in the USA; upper Sacramento River system in California and through Oregon and Washington to southern British Columbia.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Potamodromous
Trophic Level
2.3±0.18
Food Items

diatoms, other algae, higher plants, dipterous larvae and pupae (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00676 × L3.06 (TL)
Max TL
25cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
2.3
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Temperate
Described By
Cope, 1874

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