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💧 Freshwater Vulnerable 🐠 Aquarium 🌡️ Temperate

Umpquachub

Oregonichthys kalawatseti Markle, Pearsons & Bills, 1991
Max Length
5.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Adults inhabit sluggish sand- and gravel-bottomed runs, pools and backwaters of creeks and small rivers as well as sloughs. They are usually found near vegetations . Migratory behaviour is undetermined .

Scientific Name
Oregonichthys kalawatseti
Authority
Markle, Pearsons & Bills, 1991
Habitat
Freshwater
Climate
Temperate
IUCN Status
VU
Max Length
5.9 cm
Trophic Level
3
Resilience
High
Vulnerability
15.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Oregonichthys kalawatseti is very similar to O. crameri but can be distinguished by having unscaled or partly scaled breast, slightly subterminal mouth, and 34-40 scales on lateral line .

🌀 Behaviour

Behavioural data for Umpquachub is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Temperate North America: Umpqua River drainage in Oregon, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.1 (TL)
Max TL
5.9cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Temperate
Described By
Markle, Pearsons & Bills, 1991

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