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💧 Freshwater 🌡️ Tropical

Nothobranchius Iridescens

Nothobranchius iridescens Nagy, 2025
Max Length
4.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

This species inhabits a turbid pool, about 50 cm in depth, with margins partially overgrown by grass .

Scientific Name
Nothobranchius iridescens
Authority
Nagy, 2025
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
4.3 cm
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 16 - 17; Anal soft rays: 17 - 18. This species is distinguished from its congeners by the following set of characters: anal fin with irregular red-brown spots and stripes, creating two irregular submedial and medial bands and with broad yellow subdistal band; caudal fin with a slender light blue subdistal band, densely marked with irregular red spots, and narrow dark brown distinct distal margin; caudal peduncle length 153-161 in % of its depth; eye diameter 31-34% HL; and predorsal length 52.4-55.6% SL .: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Nothobranchius Iridescens 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

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L2.94 (TL)
Max TL
4.3cm
Dorsal Rays
17
Anal Rays
18

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Nagy, 2025

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