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💧 Freshwater Critically Endangered 🌡️ Tropical

Zacapu allotoca

Allotoca zacapuensis Domínguez, 2001
Max Length
3 cm
Max Weight
-
Lifespan
-
Trophic Level
2.5
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Adults are found in turbid water, over mud bottoms . They hide under vegetation . Migratory behaviour is undetermined .

Scientific Name
Allotoca zacapuensis
Authority
Domínguez, 2001
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
CR
Max Length
3 cm
Trophic Level
2.5
Vulnerability
10.00/100
Water Temp
17–20 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 18 - 20; Anal spines: 0; Anal soft rays: 12 - 13; Vertebrae: 30 - 32. Abdomopodium rays 2-7 thickened basally and curved anteriorly; series of 10-14 dark brown pigmented v-shaped vertical bars along sides; adult males with dark brown area surrounding about and in front of genital region; dark brown abdominal pigmentation .: fusiform / normal.

🌀 Behaviour

Behavioural data for Zacapu allotoca is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
4.1cm TL

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 7.0 - 7.0. Tropical; 17°C - 20°C North America: Zacapu, Michoacán, Mexico.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.5±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.01202 × L3.01 (TL)
Max TL
3cm
Dorsal Rays
19
Anal Rays
13
Vertebrae
31

🌡️ Water Parameters & Tolerance

Temperature Range
17–20°C
pH Range
7–7
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.5
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Domínguez, 2001

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