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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Temperate

Rhodeus Colchicus

Rhodeus colchicus Bogutskaya & Komlev, 2001
Max Length
6.8 cm
Max Weight
-
Lifespan
-
Trophic Level
2.6
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Rhodeus Colchicus (Rhodeus colchicus) is a ray-finned fish of the family Cyprinidae. It inhabits freshwater waters. This species can reach a maximum total length of 6.8 cm. With a trophic level of 2.6, it is an omnivore, consuming both plant and animal matter. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Rhodeus colchicus
Authority
Bogutskaya & Komlev, 2001
Habitat
Freshwater
Climate
Temperate
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
6.8 cm
Trophic Level
2.6
Resilience
High
Vulnerability
27.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 9 - 10; Anal spines: 3; Anal soft rays: 8 - 10; Vertebrae: 33 - 36. Distinguished from congeners by the following characters: large scales (34 to 37, commonly 35, in the lateral row), commonly 9 branched rays in both the dorsal and anal fins, a low number of vertebrae (33 to 36 total, commonly 35), a deep shortened 2nd infraorbital, a broad 4th infraorbital and a well developed 5th one with a widened lamellate portion .: short and / or deep.

🌀 Behaviour

Behavioural data for Rhodeus Colchicus 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. Temperate West Transcaucasia, Georgia.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.6±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.0166 × L3.02 (TL)
Max TL
6.8cm
Dorsal Spines
3
Dorsal Rays
10
Anal Spines
3
Anal Rays
9
Vertebrae
35

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
2.6
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Temperate
Described By
Bogutskaya & Komlev, 2001

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