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💧 Freshwater Least Concern 🌡️ Tropical

Macrognathus Keithi

Macrognathus keithi Herre, 1940
Max Length
22.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
26.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Macrognathus Keithi (Macrognathus keithi), first described by Herre, 1940 is a medium-sized fish in the family Mastacembelidae (order Synbranchiformes). Adults typically reach 22.20 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Macrognathus keithi
Authority
Herre, 1940
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
22.2 cm
Trophic Level
3.3
Resilience
High
Vulnerability
26.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

: eel-like.

🌀 Behaviour

Behavioural data for Macrognathus Keithi 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
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00479 × L2.99 (TL)
Max TL
22.2cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Herre, 1940

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