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💧 Freshwater Least Concern 🌡️ Tropical

Nemuroglanis Lanceolatus

Nemuroglanis lanceolatus Eigenmann & Eigenmann, 1889
Max Length
3.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
25.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Nemuroglanis Lanceolatus (Nemuroglanis lanceolatus), first described by Eigenmann & Eigenmann, 1889 is a tiny fish. Adults typically reach 3.80 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Nemuroglanis lanceolatus
Authority
Eigenmann & Eigenmann, 1889
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
3.8 cm
Trophic Level
3.2
Vulnerability
25.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Nemuroglanis
Nemuroglanis
Species
Nemuroglanis Lanceolatus
Nemuroglanis lanceolatus

🐟 Physical Description

Vertebrae: 41 - 42. Possesses the following autapomorphies: lower jaw slightly pronounced; epiphyseal branches of supraorbital latero-sensory canals not fused to each other; preoperculomandibular and postotic latero-sensory canals separated from each other; ventral caudal plate much smaller than dorsal plate, supporting only three rays; and ventral caudal-fin lobe with only three branched rays. Shares with Nemuroglanis pauciradiatus the following eight apomorphies: five or six pairs of pleural ribs; dorsal caudal plate supports only six principal caudal-fin rays; ventral caudal plate much smaller than dorsal caudal plate, supporting only three or four rays; dorsal caudal-fin lobe with five or fewer branched rays; dorsal caudal-fin lobe very long, usually greater than 40% SL; ventral caudal-fin lobe usually with nine to 13 rays; ventral caudal-fin lobe with only three or four branched rays; and caudal fin lanceolate. Differ further from its congeners by its anal-fin base length 18.4-26.4% SL; caudal peduncle length 11.3-14.5% SL; maxillary barbel length 39.8-58.6% SL; and vertebrae 41-42 .

🌀 Behaviour

Behavioural data for Nemuroglanis Lanceolatus 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 South America: Napo, Solimões and Ucayali River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L2.97 (TL)
Max TL
3.8cm
Vertebrae
42

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Eigenmann & Eigenmann, 1889

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