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💧 Freshwater Near Threatened 🌡️ Tropical

Mexican golden trout

Oncorhynchus chrysogaster Needham & Gard, 1964
Max Length
12.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
25.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Mexican golden trout (Oncorhynchus chrysogaster), first described by Needham & Gard, 1964 is a small fish in the family Salmonidae (order Salmoniformes). Adults typically reach 12.70 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical 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 Near Threatened.

Scientific Name
Oncorhynchus chrysogaster
Authority
Needham & Gard, 1964
Habitat
Freshwater
Climate
Tropical
IUCN Status
NT
Max Length
12.7 cm
Trophic Level
3.5
Resilience
High
Vulnerability
25.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Mexican golden trout is currently being compiled.

🌀 Behaviour

Behavioural data for Mexican golden trout is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 🪺 Nest Builder 🛡️ Egg Guarder
Spawning Season
spring
Spawn Location
Nest
Fertilization
External

Reproductive strategy: synchronous ovarian organization, determinate fecundity .

🌍 Habitat & Distribution

Freshwater; benthopelagic; potamodromous . Tropical North America: Mexico.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.1 (TL)
Max TL
12.7cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Tropical
Described By
Needham & Gard, 1964

👥 Community & Contribute

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