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💧 Freshwater Data Deficient 🌡️ Subtropical

Luciogobius Fluvialis

Luciogobius fluvialis Kanagawa, Itai & Senou, 2011
Max Length
3.3 cm
Max Weight
Lifespan
Trophic Level
3.2
Depth
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Found in the middle reaches of river on a gravel substrate composed of pebbles of 3-5 cm in diameter and containing less than 5% of sand, where freshwater springs flow from between the pebbles .

Scientific Name
Luciogobius fluvialis
Authority
Kanagawa, Itai & Senou, 2011
Habitat
Freshwater
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
3.3 cm
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 8 - 10; Anal spines: 1; Anal soft rays: 8 - 10; Vertebrae: 31 - 33. Diagnosed from all other species of Luciogobius by having the following combination of characters: eye small and degenerated, embedded beneath skin, obscured after fixation; body naked, without scales; dermal ridge on cheek lacking barbels; second dorsal-fin origin slightly anterior to anal fin; pelvic fin present; no free soft rays on upper and lower ends of pectoral fin; second dorsal-fin rays modally I,9; anal-fin rays modally I,9; branched caudal-fin rays modally 8+7; vertebrae modally 16+16=32; interorbit region flat; maximum width of head at cheek 11.5% in SL; upper jaw length 8.5% in SL; 37.4% in head length; predorsal length 307.4% in head length; and preanal length 315.8% in head length .: fusiform / normal.

🌀 Behaviour

Behavioural data for Luciogobius Fluvialis is currently being reviewed.

🦐 Diet

Diet information for Luciogobius Fluvialis is currently being compiled.

🥚 Reproduction

Reproduction data for Luciogobius Fluvialis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3 (TL)
Max TL
3.3cm
Dorsal Rays
9
Anal Spines
1
Anal Rays
9
Vertebrae
32

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Kanagawa, Itai & Senou, 2011

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