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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Slender rasbora

Rasbora daniconius Hamilton, 1822
Max Length
15 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
13.00/100
Typical Length
8 cm
Depth Zone
-

📖 Overview

Occurs in a variety of habitats : ditches, ponds, canals, haors, streams, rivers and inundated fields . Inhabits mainly sandy streams and rivers . Found in medium to large rivers and brooks of the middle Mekong . In the Mekong basin, this species is usually associated with large, slow flowing rivers, usually with turbid waters . Sometimes forms large schools. Feeds mainly on aquatic insects and detritus. A surface feeder . Spawning sites are found in rivers and ponds . Mature adults probably breed during the rainy season. Hardy and adaptable in the aquarium.

Scientific Name
Rasbora daniconius
Authority
Hamilton, 1822
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
15 cm
Trophic Level
3.1
Resilience
High
Vulnerability
13.00/100
Migration
Potamodromous
Water Temp
24–26 °C

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 9; Anal soft rays: 7. Black stripe from eye to caudal fin; nearly complete lateral line, with only last few scales lacking pores .: fusiform / normal.

🌀 Behaviour

Behavioural data for Slender 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; brackish; benthopelagic; pH range: ? - 7.0; dH range: 12 - ?; potamodromous . Tropical; 24°C - 26°C

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish
Migration
Potamodromous
Trophic Level
3.1±0.1
🐠 Schooling
Food Items

aquatic insects and detritus

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L3.01 (TL)
Max TL
15cm
Dorsal Rays
9
Anal Rays
7

🌡️ Water Parameters & Tolerance

Temperature Range
24–26°C

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Hamilton, 1822

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Cyprinus anjana Hamilton 1822 Synonym
Cyprinus daniconius Hamilton 1822 Synonym
Leuciscus anjana Hamilton 1822 Synonym
Leuciscus daniconius Hamilton 1822 Synonym
Leuciscus flavus Jerdon 1849 Synonym
Leuciscus lateralis McClelland 1839 Synonym
Leuciscus malabaricus Jerdon 1849 Synonym
Leuciscus xanthogrammae Jerdon 1849 Synonym
Leuciscus xanthogramme Jerdon 1849 Synonym
Opsarius anjana Hamilton 1822 Synonym
Opsarius daniconius Hamilton 1822 Synonym
Parluciosoma daniconius Hamilton 1822 Synonym
Rasbora daniconius daniconius Hamilton 1822 Synonym
Rasbora daviconius Hamilton 1822 Synonym
Rasbora malabarica Jerdon 1849 Synonym
Rasbora neilgherriensis Day 1867 Synonym
Rasbora palustris Smith 1945 Synonym
Rasbora woolaree Day 1867 Synonym
Rasbora zanzibarensis Günther 1867 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 24 records indexed .

Occurrence density from GBIF View GBIF records ↗

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