💧 Freshwater
🌡️ Tropical
Rivulus Azurescens
Rivulus azurescens Vermeulen, 2013
📖 Overview
Inhabits a steep mountain creek under primary forest canopy with clear swift running water, stony cascading profile, no aquatic vegetation, temperature 20 °C at 19.45 hours and pH 5.8 .
Scientific Name
Rivulus azurescens
Authority
Vermeulen, 2013
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
5.7 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt
🔬 Taxonomy
Class
Teleostei
Teleostei
Order
Cyprinodontiformes
Cyprinodontiformes
Family
Rivulidae
Rivulidae
Genus
Rivulus
Rivulus
Species
Rivulus Azurescens
Rivulus azurescens
🐟 Physical Description
Dorsal soft rays (total): 10; Anal soft rays: 16; Vertebrae: 33. : elongated.
🌀 Behaviour
Behavioural data for Rivulus Azurescens 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; pH range: 5.8 - ?. Tropical; 20°C - ? South America: Colombia.
🌿 Ecology
Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4
📐 Morphometrics
Length–Weight Relationship:
W = 0.00661 × L3.1
(TL)
Max TL
5.7cm
Dorsal Rays
10
Anal Rays
16
Vertebrae
33
🌡️ Water Parameters & Tolerance
Salinity Range
0–0.5ppt
📊 Population Risk & Fisheries
Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Vermeulen, 2013
🔍 Similar Species
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