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💧 Freshwater Data Deficient 🌡️ Tropical

Macrognathus Pavo

Macrognathus pavo Britz, 2010
Max Length
15.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
19.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Macrognathus Pavo (Macrognathus pavo), first described by Britz, 2010 is a medium-sized fish in the family Mastacembelidae (order Synbranchiformes). Adults typically reach 15.80 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. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Macrognathus pavo
Authority
Britz, 2010
Habitat
Freshwater
Climate
Tropical
IUCN Status
DD
Max Length
15.8 cm
Trophic Level
3.2
Resilience
High
Vulnerability
19.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 4 - 6; Dorsal soft rays (total): 53 - 55; Anal spines: 3; Anal soft rays: 47 - 51; Vertebrae: 73 - 76. Belongs to the Macrognathus aculeatus species group but can be distinguished from all other Asian mastacembelids by having only 4-6 spines on dorsal fin (vs. 11-40). Differs further from all members of the Macrognathus aculeatus species group by having only 6-8 rostral tooth plates (vs. 9 in Macrognathus meklongensis to 55 in Macrognathus tapirus) and the details of color pattern .: eel-like; Cross section: oval.

🌀 Behaviour

Behavioural data for Macrognathus Pavo is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00295 × L2.95 (TL)
Max TL
15.8cm
Dorsal Spines
5
Dorsal Rays
54
Anal Spines
3
Anal Rays
49
Vertebrae
75

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Britz, 2010

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