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💧 Freshwater Endangered 🌡️ Subtropical

Riffle chub

Algansea aphanea Barbour & Miller, 1978
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Riffle chub (Algansea aphanea) is a ray-finned fish. It inhabits freshwater waters. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Endangered on the IUCN Red List.

Scientific Name
Algansea aphanea
Authority
Barbour & Miller, 1978
Habitat
Freshwater
Climate
Subtropical
IUCN Status
EN
Trophic Level
2.9
Resilience
Medium
Vulnerability
37.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Algansea
Algansea
Species
Riffle chub
Algansea aphanea

🐟 Physical Description

Physical description for Riffle chub is currently being compiled.

🌀 Behaviour

Behavioural data for Riffle chub 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. Subtropical North America: Rio Ayutla, Rio Armeria and Rio Tuxpan, Mexico.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4

📐 Morphometrics

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

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Subtropical
Described By
Barbour & Miller, 1978

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