New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater 🌡️ Tropical

Amphilius Nigricaudatus

Amphilius nigricaudatus Pellegrin, 1909
Max Length
7.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
31.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Amphilius Nigricaudatus (Amphilius nigricaudatus), first described by Pellegrin, 1909 is a small fish in the family Amphiliidae (order Siluriformes). Adults typically reach 7.30 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.

Scientific Name
Amphilius nigricaudatus
Authority
Pellegrin, 1909
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
7.3 cm
Trophic Level
3
Vulnerability
31.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 7. Diagnosis: caudal fin with large, central black disc; pigmentation variable, from uniformly dark brown or brown with small spots to highly vermiculated; origin of dorsal fin one head length behind head; dorsal fin base extends behind origin of pelvic fin origin; dorsal fin leading ray distinctly shorter than leading edge of fin; caudal fin with 6 + 7 principal rays; caudal peduncle short (6-7.5 times in SL) and deep (length 1-1.6 times depth); snout shorter than post-orbit length; eyes placed equidistant from hind margin of head and tip of snout (mid-way along head) or nearer to tip of snout . : elongated.

🌀 Behaviour

Behavioural data for Amphilius Nigricaudatus 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

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.0049 × L3.15 (TL)
Max TL
7.3cm
Dorsal Rays
7
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Pellegrin, 1909

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Amphilius Nigricaudatus ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.