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💧 Freshwater Least Concern 🌡️ Subtropical

Guadalupe darter

Percina apristis Hubbs & Hubbs, 1954
Max Length
11 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Guadalupe darter (Percina apristis), first described by Hubbs & Hubbs, 1954 is a small fish in the family Percidae (order Perciformes). Adults typically reach 11.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Percina apristis
Authority
Hubbs & Hubbs, 1954
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
11 cm
Trophic Level
3.4
Resilience
High
Vulnerability
23.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Distinguished by having the following characters: preopercle usually with 0-1 serrae (rarely 2-6); lateral line with 65-81scales (usually more than 67); and belly of males usually with 24 or more scutes .: elongated.

🌀 Behaviour

Behavioural data for Guadalupe darter 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: Guadalupe River system in Texas, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00575 × L3.13 (TL)
Max TL
11cm

🌡️ Water Parameters & Tolerance

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
23.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Hubbs & Hubbs, 1954

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