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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Red Victoria nothobranch

Nothobranchius robustus Ahl, 1935
Max Length
5.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Found in marginal, ephemeral, zones of permanent water bodies such as flowing creeks in papyrus swamps, small streams and dead river branches . Usually inhabits the more shallow and quiet parts between bordering vegetation; occasionally in temporary pools . Occurs in low water temperatures (21.8°C on average) . Incubation period of eggs in captivity is 4-8 weeks and young reach maturity at about 8 weeks . Bottom spawner, 4 months incubation .

Scientific Name
Nothobranchius robustus
Authority
Ahl, 1935
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
5.5 cm
Latitude
3°S – 1°N
Trophic Level
3.2
Vulnerability
10.00/100
Migration
Non-migratory
Water Temp
24–28 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 17; Anal spines: 0; Anal soft rays: 15. Diagnosis: Nothobranchius robustus is the only species of the genus with uniform brown-red fin colouration on both dorsal and anal fins . : fusiform / normal.

🌀 Behaviour

Behavioural data for Red Victoria nothobranch 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; non-migratory. Tropical; 24°C - 28°C ; 1°N - 3°S north in the Nile system (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Non-migratory
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L2.94 (TL)
Max TL
5.5cm
Dorsal Rays
17
Anal Rays
15

🌡️ Water Parameters & Tolerance

Temperature Range
24–28°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
1°N – 3°S
Described By
Ahl, 1935

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Red Victoria Nothobranch
🌍CES halančík rudoocasý

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 15 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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