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💧 Freshwater Critically Endangered 🌡️ Tropical

Toluca silverside

Chirostoma riojai Solórzano & López, 1966
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
17.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Toluca silverside (Chirostoma riojai), first described by Solórzano & López, 1966 is a fish in the family Atherinopsidae (order Atheriniformes). It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Critically Endangered.

Scientific Name
Chirostoma riojai
Authority
Solórzano & López, 1966
Habitat
Freshwater
Climate
Tropical
IUCN Status
CR
Trophic Level
3.2
Resilience
High
Vulnerability
17.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Toluca silverside is currently being compiled.

🌀 Behaviour

Behavioural data for Toluca silverside 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. Tropical; 21°N - 19°N North America: endemic to the Lerma River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00537 × L3.09 (TL)

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
17.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Solórzano & López, 1966

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