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💧 Freshwater Least Concern 🌡️ Tropical

Mastacembelus Reygeli

Mastacembelus reygeli Vreven & Snoeks, 2009
Max Length
25.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
0–10 m
Climate
Tropical
Resilience
High
Vulnerability
29.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Mastacembelus Reygeli (Mastacembelus reygeli) is a ray-finned fish of the family Mastacembelidae. It inhabits freshwater waters. This species can reach a maximum total length of 25.4 cm. It occurs at depths between 0 and 10 metres. With a trophic level of 3.8, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Mastacembelus reygeli
Authority
Vreven & Snoeks, 2009
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
25.4 cm
Depth Range
0–10 m
Trophic Level
3.8
Resilience
High
Vulnerability
29.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 34 - 38; Dorsal soft rays (total): 54 - 70; Anal spines: 3; Anal soft rays: 56 - 71; Vertebrae: 78 - 83. Distinguished from its congeners in Lake Tanganyika by the following characters: short post-anal length 36.6-44.8% SL ( vs. 50.6-60.5 % SL in Mastacembelus ophidium and Mastacembelus polli); brown background color without or with only a limited and scattered dark brown reticulate pattern ( vs. yellow background color with a series of large, saddleshaped, dark brown spots on the dorso-lateral surface of head, body and tail region in Mastacembelus ellipsifer, Mastacembelus plagiostomus and Mastacembelus zebratus); higher number of dorsal spines 34-38 (vs.

🌀 Behaviour

Behavioural data for Mastacembelus Reygeli 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; depth range 0 - 10 m . Tropical endemic to Lake Tanganyika, from Kalemie (Democratic Republic of Congo) to Kigoma (Tanzania) (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.8±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00269 × L2.94 (TL)
Max TL
25.4cm
Dorsal Spines
36
Dorsal Rays
62
Anal Spines
3
Anal Rays
64
Vertebrae
81

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2025

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.8
Predator
Climate Zone
Tropical
Described By
Vreven & Snoeks, 2009

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 7 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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