New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Critically Endangered 🌡️ Temperate

June sucker

Chasmistes liorus Jordan, 1878
Max Length
60 cm
Max Weight
-
Lifespan
40 yrs
Trophic Level
3.4
Depth
-
Climate
Temperate
Resilience
Low
Vulnerability
68.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Formerly most common in deep waters of Utah Lake. Used tributaries of lake for spawning . Adults are pelagic and feed on aquatic invertebrates in the mid-water column. Juveniles inhabit emergent vegetation, apparently as refuge from predators .

Scientific Name
Chasmistes liorus
Authority
Jordan, 1878
Habitat
Freshwater
Climate
Temperate
IUCN Status
CR
Max Length
60 cm
Lifespan
40 years
Trophic Level
3.4
Resilience
Low
Vulnerability
68.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for June sucker is currently being compiled.

🌀 Behaviour

Behavioural data for June sucker is currently being reviewed.

🦐 Diet

Diet information for June sucker is currently being compiled.

🥚 Reproduction

Size at Maturity
46.5cm TL

🌍 Habitat & Distribution

Freshwater; pelagic; potamodromous . Temperate; 40°N - 39°N North America: Utah Lake and its tributaries in Utah, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Migration
Potamodromous
Trophic Level
3.4±0.45
Food Items

aquatic invertebrates in the mid-water column

📐 Morphometrics

Length–Weight Relationship: W = 0.00537 × L3.05 (TL)
Max TL
60cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
68.00/100
High vulnerability
Trophic Level
3.4
Predator
Climate Zone
Temperate
Described By
Jordan, 1878

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for June sucker ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.