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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Yellowtail rasbora

Rasbora tornieri Ahl, 1922
Max Length
17 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Occur in streams, canals and ditches in lowland floodplains. Usually found right at the water surface and is easily recognized by the broad black margin on the bright yellow caudal fin. Feed on exogenous insects . Spawning sites are found in rivers and ponds . Mature adults probably breed during the rainy season. Occasionally seen in fish markets .

Scientific Name
Rasbora tornieri
Authority
Ahl, 1922
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
17 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
33.00/100
Migration
Non-migratory
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 9 - 10; Anal soft rays: 8; Vertebrae: 28 - 30. Brightly colored; body depth 4.2-4.6 times in SL; lateral line complete; 1 or 2 scale rows between lateral line and mid-ventral scale rows in front of pelvic fin .: elongated.

🌀 Behaviour

Behavioural data for Yellowtail rasbora 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; non-migratory. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Non-migratory
Trophic Level
3.2±0.4
Food Items

exogenous insects (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3.08 (TL)
Max TL
17cm
Dorsal Rays
10
Anal Rays
8
Vertebrae
29

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Ahl, 1922

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