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💧 Freshwater 🌡️ Tropical

Metzia Bounthobi

Metzia bounthobi Shibukawa, Phousavanh, Phongsa & Iwata, 2012
Max Length
6.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Metzia Bounthobi (Metzia bounthobi), first described by Shibukawa, Phousavanh, Phongsa & Iwata, 2012 is a small fish in the family Cyprinidae (order Cypriniformes). Adults typically reach 6.10 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Metzia bounthobi
Authority
Shibukawa, Phousavanh, Phongsa & Iwata, 2012
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
6.1 cm
Trophic Level
3.1
Resilience
High
Vulnerability
12.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 10; Anal soft rays: 21 - 23. Differs from all other species of Metzia in having the following characters: anal fin with 18-20 branched rays; scales on lateral line 49-55; predorsal scale rows 33-36; circumpeduncular scale rows 20-22; gill rakers on outer surface of first gill arch 8-10. Resembles species of Hemiculterella, Ischikauia and at least a part of Anabarilius in sharing a sharp keel restricted in development to the area between pelvic-fin base and anus, last unbranched dorsal-fin ray being soft, and an air bladder composed of two chambers. However, this species differs in having the following characters; a notably rounded snout (vs. pointed in Hemiculterella, Ischikauia and Anabarilius); 18-20 branched anal-fin rays (vs. 8-17 in Hemiculterella, Ischiakua and Anabarilius ); 49-55 lateral-line scales (vs. more than 58 in Ischikauia and Anabarilius, except for A. transmontana with 54-57); air bladder with rounded posterior end (vs. posterior end with a small lobe at least in Hemiculterella); and 39-40 vertebrae (vs. 40-43, 42-43 and 43-48 in Hemiculterella, Ischikauia and Anabarilius, respectively). Also similar to its sympatric species Paralaubuca barroni but can be readily distinguished by having 18-20 anal-fin rays (vs. 24-29 ) and 8-10 gill rakers (vs. 19-24) and a distinct keel between anus and a vertical through posterior end of pelvic-fin base, keel preceded by a very weak midventral, blunt ridge extending anteriorly to a vertical through posterior half of pectoral fin (vs. a distinct, complete abdominal keel extending from anus to isthmus) .: elongated.

🌀 Behaviour

Behavioural data for Metzia Bounthobi is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00631 × L3.07 (TL)
Max TL
6.1cm
Dorsal Rays
10
Anal Rays
22

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Shibukawa, Phousavanh, Phongsa & Iwata, 2012

🦠 Common Diseases

The following diseases are known to affect Metzia Bounthobi.

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