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💧 Freshwater 🌡️ Tropical

Petrocephalus Magnitrunci

Petrocephalus magnitrunci Kramer, Bills, Skelton & Wink, 2012
Max Length
8.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
11.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Found in a shallow floodplain lagoon; substrate is mud; vegetation is dense emergent grasses and water lilies (Nymphea sp.); water depth up to 2 m; lagoon flooded during winter flood cycle and dry during the low water period .

Scientific Name
Petrocephalus magnitrunci
Authority
Kramer, Bills, Skelton & Wink, 2012
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
8.9 cm
Trophic Level
3.2
Vulnerability
11.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 19 - 22; Anal spines: 0; Anal soft rays: 27 - 31. Diagnosis: Body depth 32.7-36.8% of standard length; anal fin length 23.5-27.0% of standard length; eye diameter as defined by orbital rims 21.8-25.0% of head length; length of snout to posterior orbital rim of eye 44.9-48.1% of head length; number of dorsal fin rays 19-22; number of scales in lateral line 39-41 . No spot below dorsal fin origin . : fusiform / normal.

🌀 Behaviour

Behavioural data for Petrocephalus Magnitrunci 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 central part of Okavango Delta (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01549 × L2.86 (TL)
Max TL
8.9cm
Dorsal Rays
21
Anal Rays
29

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Kramer, Bills, Skelton & Wink, 2012

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