Betta Mahachaiensis

📖 Overview

Facultative air-breathing ; Encountered in nipa palm (Nypa fruticans) swamps, especially in the water-holding phytotelma of the palm bract, which the pair use for bubble-nest building, courtship, and hatching of fry .

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0 - 2; Dorsal soft rays (total): 8 - 11; Anal spines: 3 - 4; Anal soft rays: 22 - 26. Distinguished from other species in the Betta splendens group by the combination of the following characters: opercle with two parallel iridescent green to bluish-green vertical bars; brown-to-black opercular membrane without red streaks or patches; dorsal, caudal, and anal fin rays brown to black contrasting with iridescent green or bluish-green interradial membranes; dorsal fin with at least its proximal two-thirds having transverse black bars; caudal fin without dark transverse bars, small black rounded marks flanking the internal rays on interradial membranes; pelvic fin brown to black with iridescent green/bluish-green front margin and white tip; an iridescent green to bluish-green appearance on the brown-to-black body background; head length 24.9-31.2% SL; postdorsal length 17.1-25.2% SL; length of dorsal fin base 12.2-19.3% SL; pelvic fin length 21.2-49.6%; pectoral fin length 15.4-21.3% SL; and orbit diameter 22.8-29.7% SL .: fusiform / normal.

🌀 Behaviour

Behavioural data for Betta Mahachaiensis is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Freshwater; brackish; benthopelagic; pH range: 6.9 - 7.8. Tropical

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

🦠 Common Diseases

The following diseases are known to affect Betta Mahachaiensis.

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute