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💧 Freshwater Least Concern 🌡️ Tropical

Neolebias Ansorgii

Neolebias ansorgii Boulenger, 1912
Max Length
2.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Neolebias Ansorgii (Neolebias ansorgii) is a ray-finned fish of the family Distichodontidae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 2.6 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Neolebias ansorgii
Authority
Boulenger, 1912
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
2.6 cm
Trophic Level
3.3
Vulnerability
10.00/100
Migration
Potamodromous
Water Temp
24–28 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 10 - 13; Anal spines: 0; Anal soft rays: 9 - 12. Diagnosis: body depth 3.1-3.8x and head length 3.1-3.8x SL; snout length comprised from 4.5-4.7x in head length; eye diameter comprised from 3-3.5x in head length . Laterosensory canal on lateral surface of head limited to arch of pores around ventral and posterior margins of orbit and associated with preopercle; maxilla with 6 or more teeth; 6th infraorbital (dermosphenotic) absent; dark pigmentation along lateral surface of body approximately 4 scales high . Dark vertical bar at base of caudal fin . 11-13 or 10-12 total dorsal fin rays. : fusiform / normal.

🌀 Behaviour

Behavioural data for Neolebias Ansorgii is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; pelagic; pH range: 5.0 - 6.0; dH range: 5 - 12; potamodromous . Tropical; 24°C - 28°C known from the Niger delta to the lower portions of the Congo River (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Migration
Potamodromous
Trophic Level
3.3±0.39
Food Items

worms, crustaceans and insects (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01318 × L3.04 (TL)
Max TL
2.6cm
Dorsal Rays
12
Anal Rays
11

🌡️ Water Parameters & Tolerance

Temperature Range
24–28°C
pH Range
5–6
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Boulenger, 1912

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Micraethiops ansorgii Boulenger 1912 Synonym
Nannaethiops geisleri Hoedeman 1956 Synonym
Neolebias landgrafi Ahl 1928 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 51 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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