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💧 Freshwater Endangered 🌡️ Tropical

Zacapu shiner

Aztecula grandis Vázquez & Doadrio, 2009
Max Length
4.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
15.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits Lake Zacapu which is fed by at least 12 large springs. The spring water is clean and supports dense vegetation. The rest of the lake has turbid water with less vegetation than the spring area .

Scientific Name
Aztecula grandis
Authority
Vázquez & Doadrio, 2009
Habitat
Freshwater
Climate
Tropical
IUCN Status
EN
Max Length
4.6 cm
Trophic Level
3
Vulnerability
15.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Aztecula
Aztecula
Species
Zacapu shiner
Aztecula grandis

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 7 - 9; Anal spines: 1 - 2; Anal soft rays: 6 - 7. Can be distinguished by the following combination of characters: anal fin with 6 branched rays, rarely 7; scales in a lateral series 42, rarely 40-41, or 43-45; 10-11 gill rakers in the first arch; a dark lateral stripe widens from approximately the pectoral fin origin to the dorsal fin origin, forming a slightly convex segment .

🌀 Behaviour

Behavioural data for Zacapu shiner 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 Central America: known only from the Zacapu Lake and its outlet in Michoacan, Mexico.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.1 (TL)
Max TL
4.6cm
Dorsal Spines
2
Dorsal Rays
8
Anal Spines
2
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Tropical
Described By
Vázquez & Doadrio, 2009

👥 Community & Contribute

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