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💧 Freshwater Endangered 🌡️ Tropical

Opal allotoca

Allotoca dugesii Bean, 1887
Max Length
6.5 cm
Max Weight
-
Lifespan
-
Trophic Level
2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Opal allotoca (Allotoca dugesii) is a ray-finned fish of the family Goodeidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 6.5 cm. With a trophic level of 2, it is a herbivore or detritivore. It is assessed as Endangered on the IUCN Red List.

Scientific Name
Allotoca dugesii
Authority
Bean, 1887
Habitat
Freshwater
Climate
Tropical
IUCN Status
EN
Max Length
6.5 cm
Trophic Level
2
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Opal allotoca is currently being compiled.

🌀 Behaviour

Behavioural data for Opal allotoca is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical; 21°N - 19°N Central America: endemic to central highlands of Mexico (Jalisco, Guanajuato, Michoacán, Aguascalientes).

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.01202 × L3.01 (TL)
Max TL
6.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Bean, 1887

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Adinia dugesii Jordan & Evermann 1896 Synonym
Allotoca vivipara de Buen 1940 Synonym
Fundulus dugesii Bean 1887 Synonym
Zoogoneticus dugesii Meek 1902 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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