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Diadromous 🌡️ Tropical

Giuris Viator

Giuris viator Keith, Mennesson, Lord & Hubert, 2020
Max Length
12.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Giuris Viator (Giuris viator) is a ray-finned fish. It inhabits diadromous, migrating between freshwater and the sea waters in benthic environments. This species can reach a maximum total length of 12.2 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Giuris viator
Authority
Keith, Mennesson, Lord & Hubert, 2020
Habitat
Diadromous
Climate
Tropical
Body Shape
Elongated
Max Length
12.2 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Giuris
Giuris
Species
Giuris Viator
Giuris viator

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 1; Anal soft rays: 9; Vertebrae: 25. This species is distinguished from its congeners by the following set of characters: 14 pectorals rays; a medium body depth at anus (21-24% SL); and 10-13 scales around the eye .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Giuris Viator is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal. Tropical West Pacific: Mayotte, Indonesia, Papua New Guinea, Solomon, Vanuatu, New Caledonia.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.13 (TL)
Max TL
12.2cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
1
Anal Rays
9
Vertebrae
25

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 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
Keith, Mennesson, Lord & Hubert, 2020

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