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💧 Freshwater Least Concern 🌡️ Tropical

Trunkfish

Mormyrus tapirus Pappenheim, 1905
Max Length
43 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
44.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Affinities: Mormyrus rume and Mormyrus subundulatus, Mormyrus tapirus with longer snout, longer anal fin and 10-15 scales on caudal peduncle.

Scientific Name
Mormyrus tapirus
Authority
Pappenheim, 1905
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
43 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
44.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 60 - 74; Anal spines: 0; Anal soft rays: 21 - 29. Dorsal fin 2.4-3.4x length of anal; dorsal origin well before pectorals; 10-15 scales on caudal peduncle; body height 4.1-6.1x SL; caudal peduncle 2.5-4.1x long than high.: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Trunkfish 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; 11°N - 6°N

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.87 (TL)
Max TL
43cm
Dorsal Rays
67
Anal Rays
25

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
44.00/100
Moderate vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Pappenheim, 1905

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Trunkfish
🌍CES rypoun tapíří
🇷🇺Russian Тапировидный мормир

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 66 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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