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💧 Freshwater Critically Endangered 🌡️ Tropical

Rhodeus Cyanorostris

Rhodeus cyanorostris Li, Liao & Arai, 2020
Max Length
3.3 cm
Max Weight
Lifespan
Trophic Level
2.8
Depth
0–1 m
Climate
Tropical
Resilience
High
Vulnerability
13.00/100
Typical Length
Depth Zone

📖 Overview

Rhodeus Cyanorostris (Rhodeus cyanorostris) is a ray-finned fish of the family Cyprinidae. It inhabits freshwater waters. This species can reach a maximum total length of 3.3 cm. It occurs at depths between 0 and 1 metres. With a trophic level of 2.8, it is an omnivore, consuming both plant and animal matter. It is assessed as Critically Endangered on the IUCN Red List.

Scientific Name
Rhodeus cyanorostris
Authority
Li, Liao & Arai, 2020
Habitat
Freshwater
Climate
Tropical
IUCN Status
CR
Max Length
3.3 cm
Depth Range
0–1 m
Trophic Level
2.8
Resilience
High
Vulnerability
13.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

It has a longitudinal scale series 32 to 35; no pored scales; transverse scale series 11 (10-12); branched dorsal-fin rays 8 (rarely 7); branched anal-fin rays 7-8; vertebrae 33-34 (rarely 35); no light spots on dorsal-fin rays and males have a nuptial colouration of a blue snout, iris, belly and yellow fins.

🌀 Behaviour

Behavioural data for Rhodeus Cyanorostris is currently being reviewed.

🦐 Diet

Diet information for Rhodeus Cyanorostris is currently being compiled.

🥚 Reproduction

Reproduction data for Rhodeus Cyanorostris is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; depth range 0 - 1 m . Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.8±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.1 (TL)
Max TL
3.3cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Li, Liao & Arai, 2020

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