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💧 Freshwater 🌡️ Tropical

Gal oya blue laubuka

Laubuka hema Sudasinghe, Pethiyagoda & Meegaskumbura, 2020
Max Length
5.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
14.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Occurs mainly from the headwaters of the Gal basin in the Kotagama and Nilgala areas (194-294 m asl), with a single specimen collected from the headwaters of Hepola stream in Bibile, which drains to the Mahaweli River. Observed in streams and rivers, usually in groups of 5-10 individuals, close to the banks and occupying the upper level of the water column. Cyprinids commonly encountered with this species were Rasbora dandia, R. cf. microcephalus, Devario malabaricus, Dawkinsia singhala, Puntius bimaculatus, and P. dorsalis

Scientific Name
Laubuka hema
Authority
Sudasinghe, Pethiyagoda & Meegaskumbura, 2020
Habitat
Freshwater
Climate
Tropical
Max Length
5.6 cm
Trophic Level
3.1
Resilience
High
Vulnerability
14.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species is distinguished from its congeners by the following set of characters: a danionine notch formed by a strong anterior curvature of dentary; branched pelvic-fin rays 6; lateral line complete, perforated scales 33-35; circumpeduncular scales 12-14; predorsal scales 18-21; branched anal-fin rays usually 18 1/2 - 20 1/2 (rarely 17 1/2 or 22 1/2); scales in transverse line 1/2 6 - 1/2 7 + 1 + 2 1/2; branched dorsal-fin rays modally 8 1/2 (rarely 7 1/2 or 9 1/2) ; cleithral spot small, rounded, its greatest dimension less than eye diameter; lower jaw with dense neuromast fields; a rudimentary maxillary barbel present; and no distinct vertical bands in body .Cross section: compressed.

🌀 Behaviour

Behavioural data for Gal oya blue laubuka is currently being reviewed.

🦐 Diet

Diet information for Gal oya blue laubuka is currently being compiled.

🥚 Reproduction

Reproduction data for Gal oya blue laubuka is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.04 (TL)
Max TL
5.6cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
14.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Sudasinghe, Pethiyagoda & Meegaskumbura, 2020

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