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💧 Freshwater Least Concern 🌡️ Tropical

Eretmodus Marksmithi

Eretmodus marksmithi Burgess, 2012
Max Length
4.7 cm
Max Weight
Lifespan
Trophic Level
3.2
Depth
0–5 m
Climate
Tropical
Resilience
Vulnerability
10.00/100
Typical Length
Depth Zone
pelagic

📖 Overview

Found in shallow (1-2 m deep), well-oxygenated, clear water of the surge zone; bottom composed of small stones varying from 10-40 cm in diameter; feeds on biocover which is scraped from rocks; small invertebrates (crustaceans, mites, insects, insect larvae) are eaten as well; biparental mouthbrooder .

Scientific Name
Eretmodus marksmithi
Authority
Burgess, 2012
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
4.7 cm
Depth Range
0–5 m
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 23 - 25; Dorsal soft rays (total): 3 - 5; Anal spines: 3; Anal soft rays: 7 - 8. Diagnosis: Eretmodus marksmithi is characterized by a subterminal mouth and 7-8 light bars extending the full depth of the body from dorsal fin base to ventral side, the last crossing the caudal peduncle . A few light blue dots may be present, mainly on the head . : short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Eretmodus Marksmithi is currently being reviewed.

🦐 Diet

Diet information for Eretmodus Marksmithi is currently being compiled.

🥚 Reproduction

Reproduction data for Eretmodus Marksmithi is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic; depth range 0 - 5 m . Tropical endemic to Lake Tanganyika, occurs in the northern two thirds to three-fourths of the lake (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.2±0.4
Food Items

biocover which is scraped from rocks; small invertebrates (crustaceans, mites, insects, insect larva

📐 Morphometrics

Length–Weight Relationship: W = 0.01862 × L3.02 (TL)
Max TL
4.7cm
Dorsal Spines
24
Dorsal Rays
4
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2025

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Burgess, 2012

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