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💧 Freshwater Endangered 🌡️ Tropical

Laubuka Varuna

Laubuka varuna Pethiyagoda, Kottelat, Silva, Maduwage & Meegaskumbura, 2008
Max Length
6.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
16.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Laubuka Varuna (Laubuka varuna) 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 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Endangered on the IUCN Red List.

Scientific Name
Laubuka varuna
Authority
Pethiyagoda, Kottelat, Silva, Maduwage & Meegaskumbura, 2008
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
EN
Max Length
6.8 cm
Trophic Level
3.2
Resilience
High
Vulnerability
16.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species is distinguished from all its congeners by the following set of characters: lateral line complete, with 31-33 + 1-2 scales; scales in transverse line on body ½6-½ 7/1/2 ½-3½ and on caudal peduncle ½3-½ 4/1/1 ½; body depth 27.9-32.4% SL; and lower jaw smooth, lacking tubercles on skin over dentary . It can be further distinguished from its Sri Lankan congeners by the following: a vertically elongate cleithral spot with greatest dimension greater than or subequal to the eye diameter; neuromast fields on the lower jaw are indistinct or altogether absent; adpressed unbranched pelvic-fin ray is usually not reaching beyond the anal-fin origin; often with 10-12 circumpeduncular scales and the 31-33 lateral-line scale . : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Laubuka Varuna is currently being reviewed.

🦐 Diet

Diet information for Laubuka Varuna is currently being compiled.

🥚 Reproduction

Reproduction data for Laubuka Varuna is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.04 (TL)
Max TL
6.8cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
16.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Pethiyagoda, Kottelat, Silva, Maduwage & Meegaskumbura, 2008

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