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💧 Freshwater Endangered 🌡️ Tropical

Marcusenius Caudisquamatus

Marcusenius caudisquamatus Maake, Gon & Swartz, 2014
Max Length
25.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
29.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Water current was moderate to fast in sections of the rivers where Marcusenius caudisquamatus was collected .

Scientific Name
Marcusenius caudisquamatus
Authority
Maake, Gon & Swartz, 2014
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
EN
Max Length
25.5 cm
Trophic Level
3.1
Resilience
High
Vulnerability
29.00/100
Water Temp
25–26 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 20 - 22; Anal spines: 0; Anal soft rays: 27 - 28; Vertebrae: 44. Diagnosis: Marcusenius caudisquamatus can be distinguished from its congeners by the following characters: middle body depth 23.8-25.9% of standard length; dorsal fin length 15.4-19.2% of standard length; anal fin length 23.0-24.9% of standard length; pre-dorsal length 61.7-66.7% of standard length; pre-anal length 60.7-62.8% of standard length; caudal peduncle depth 40.4-51.7% of its length; dorsal fin rays 20-22; anal fin rays 27-28; scales around caudal peduncle 19; lateral line scales 72-73; anterior gill rakers (4)+(5-6), total anterior gill rakers 9-10; posterior gill rakers (6)+(9), total posterior gill rakers 15; conical teeth on upper/lower jaws 5-5 . : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Marcusenius Caudisquamatus 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; 25°C - 26°C ; 28°S - 29°S South Africa (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00562 × L3.05 (TL)
Max TL
25.5cm
Dorsal Rays
21
Anal Rays
28
Vertebrae
44

🌡️ Water Parameters & Tolerance

Temperature Range
25–26°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2016

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Maake, Gon & Swartz, 2014

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