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💧 Freshwater Endangered 🌡️ Tropical

Longjaw silverside

Chirostoma lucius Boulenger, 1900
Max Length
21.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
26.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Longjaw silverside (Chirostoma lucius), first described by Boulenger, 1900 is a medium-sized fish in the family Atherinopsidae (order Atheriniformes). Adults typically reach 21.80 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 Endangered.

Scientific Name
Chirostoma lucius
Authority
Boulenger, 1900
Habitat
Freshwater
Climate
Tropical
IUCN Status
EN
Max Length
21.8 cm
Trophic Level
3.3
Resilience
High
Vulnerability
26.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Longjaw silverside is currently being compiled.

🌀 Behaviour

Behavioural data for Longjaw 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, Mexico.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00537 × L3.09 (TL)
Max TL
21.8cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Boulenger, 1900

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