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💧 Freshwater Vulnerable 🌡️ Temperate

Rhodeus Albomarginatus

Rhodeus albomarginatus Li & Arai, 2014
Max Length
5.8 cm
Max Weight
-
Lifespan
-
Trophic Level
2.7
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
-

📖 Overview

The type locality is a hill stream with bottom consisting of mud mixed with stones, low water level, and depth mostly less than 100 cm. Collected from the upper portion of the stream. Spawns in summer from June to August, several times during the spawning periods, and usually releases 10-20 eggs at one time. Lives in host mussel Ptychorhynchus murinum .

Scientific Name
Rhodeus albomarginatus
Authority
Li & Arai, 2014
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
VU
Max Length
5.8 cm
Trophic Level
2.7
Resilience
High
Vulnerability
24.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 13; Anal soft rays: 13 - 14; Vertebrae: 33 - 34. Rhodeus albomarginatus is distinguished from congeners by its unique white margin on the anal fin in adult males (vs. black margin). It also differs from other congeners by having 10 branched rays on dorsal fin, 10-11 branched rays on anal fin, i,6 pelvic-fin rays, 33-34 vertebrae (mode 33), and in adult males, iris black, belly reddish-orange and central part of caudal fin red .: elongated.

🌀 Behaviour

Behavioural data for Rhodeus Albomarginatus is currently being reviewed.

🦐 Diet

Diet information for Rhodeus Albomarginatus is currently being compiled.

🥚 Reproduction

Reproduction data for Rhodeus Albomarginatus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.7±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.0166 × L3.02 (TL)
Max TL
5.8cm
Dorsal Rays
13
Anal Rays
14
Vertebrae
34

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
2.7
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Temperate
Described By
Li & Arai, 2014

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