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💧 Freshwater Critically Endangered 🌡️ Tropical

Royal Splitfin

Allotoca regalis Álvarez, 1959
Max Length
7.5 cm
Max Weight
-
Lifespan
-
Trophic Level
2.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Adults inhabit slow flowing water with dense algal growth on rocks. They also occur in swamps . Migratory behaviour is undetermined .

Scientific Name
Allotoca regalis
Authority
Álvarez, 1959
Habitat
Freshwater
Climate
Tropical
IUCN Status
CR
Max Length
7.5 cm
Trophic Level
2.2
Vulnerability
10.00/100
Water Temp
21–25 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Royal Splitfin is currently being compiled.

🌀 Behaviour

Behavioural data for Royal Splitfin is currently being reviewed.

🦐 Diet

Diet information for Royal Splitfin is currently being compiled.

🥚 Reproduction

🐣 Viviparous 🤰 Viviparous

Viviparous. Males possess an andropodium, a structureless lobule of the anal fin that acts only as a conveyor to assure successful fertilization.

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 7.0 - 7.6; dH range: 5 - 20. Tropical; 21°C - 25°C Central America: Los Reyes in Michoacan, Mexico.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.2±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
7.5cm

🌡️ Water Parameters & Tolerance

Temperature Range
21–25°C
pH Range
7–7.6
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
2.2
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Álvarez, 1959

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