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💧 Freshwater Critically Endangered 🌡️ Tropical

Betta Omega

Betta omega Tan & Ahmad, 2018
Max Length
8.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
-

📖 Overview

This species is currently recorded only from the remnant black water swamps in Johor, Malaysia. Maximum length based on type specimen, to be replaced with a better reference .

Scientific Name
Betta omega
Authority
Tan & Ahmad, 2018
Habitat
Freshwater
Climate
Tropical
IUCN Status
CR
Max Length
8.1 cm
Trophic Level
3.3
Resilience
High
Vulnerability
11.00/100

🐟 Physical Description

This species is distinguished from its congeners by the following set of characters: black markings on lower jaw that are continuous with two black downward curved bars on the anterior throat, ending with rounded bulging ends near edge of lower jaw resembling a distinct omega (?) pattern; opercle uniform brown with light dark brown mottling, operculum without lower distal margin black; black transverse bars on the dorsal and caudal fin interradial membranes; absence of a dark distal border on anal fin .Cross section: oval.

🌀 Behaviour

Behavioural data for Betta Omega is currently being reviewed.

🦐 Diet

Diet information for Betta Omega is currently being compiled.

🥚 Reproduction

Reproduction data for Betta Omega is currently being compiled.

🌍 Habitat & Distribution

Freshwater; brackish; benthopelagic. Tropical Indian Ocean: Malaysia.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
8.1cm

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Tan & Ahmad, 2018

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