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💧 Freshwater Vulnerable 🐠 Aquarium 🌡️ Tropical

Betta Midas

Betta midas Tan, 2009
Max Length
6.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
0–2 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Facultative air-breathing ; A paratype series was collected from a blackwater river running through remnant and intact peat swamp forest, with pH 4.1 .

Scientific Name
Betta midas
Authority
Tan, 2009
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
VU
Max Length
6.6 cm
Depth Range
0–2 m
Trophic Level
3.3
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 8 - 10; Anal spines: 1 - 2; Anal soft rays: 25 - 29; Vertebrae: 31 - 32. Can be distinguished in possessing the following combination of characters: relatively thick-set body (body depth 24.3-29.0 % SL); head devoid of pattern except for black stripe that runs from black lower lip, through eye to edge of opercle; opercle with gold iridescent scales when live; belly and body with gold iridescent scales; some median caudal rays projecting beyond fin margin . : fusiform / normal.

🌀 Behaviour

Behavioural data for Betta Midas is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 🪺 Nest Builder
Spawning Season
spring
Spawn Location
Nest
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 4.1 - ?; depth range 0 - 2 m . Tropical west Kalimantan, Indonesia; possibly Sambas river basin; and extreme western part of Sarawak, in heathforest streams near the town of Lundu.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L2.97 (TL)
Max TL
6.6cm
Dorsal Spines
1
Dorsal Rays
9
Anal Spines
2
Anal Rays
27
Vertebrae
32

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Tan, 2009

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