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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Rasbora Arundinata

Rasbora arundinata Lumbantobing, 2014
Max Length
8.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
22.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Found in various types of habitats such as gravel-bottomed mountain streams, moderate-flowing turbid rivers, and muddy backwater pools. Occurs sympatrically with Rasbora api, R. kluetensis (only in the Kluet River), R. jacobsoni, and R. truncata (only in the Alas River) .

Scientific Name
Rasbora arundinata
Authority
Lumbantobing, 2014
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
8.6 cm
Trophic Level
3.2
Resilience
High
Vulnerability
22.00/100

🐟 Physical Description

Dorsal soft rays (total): 8; Anal soft rays: 7; Vertebrae: 33 - 34. Can be diagnosed from other species of Rasbora in having a unique black midlateral stripe overall forming a reed-leaf-like profile, consisting of the following: a subdorsal blotch that starts tapering anteriorly from the vertical through the dorsal-fin origin where its dorsal margin appears to be slightly crested, and the tapering extends further anteriorly reaching mid-humeral region via a long pointed anterior tip; a midhumeral diffuse patch in which melanophores concentrate right below the subdorsal blotch and extends anteriorly in a somewhat diffuse fashion to reach the midhumeral region; and a posterior-portion stripe that terminates posteriorly at the area immediately dorsal to the anterior apex of the triangular basicaudal blotch .: fusiform / normal.

🌀 Behaviour

Behavioural data for Rasbora Arundinata is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; brackish; benthopelagic. Tropical Indian Ocean in the southern part of northwestern Sumatra, Indonesia.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00776 × L3.01 (TL)
Max TL
8.6cm
Dorsal Rays
8
Anal Rays
7
Vertebrae
34

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
22.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Lumbantobing, 2014

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