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💧 Freshwater Data Deficient 🌡️ Tropical

Atlantic knifefish

Rhamphichthys atlanticus Triques, 1999
Max Length
67.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
49.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Overview information for Atlantic knifefish is currently being compiled by our editorial team.

Scientific Name
Rhamphichthys atlanticus
Authority
Triques, 1999
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
67.3 cm
Trophic Level
3.3
Vulnerability
49.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 0. Anal fin uniform light brown, not hyaline, without dark bars or lines or any other kinds of marks on it. Membranous, wide swim-bladder, with visceral organs overlapping it laterally in part or completely. No caudal fin .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Atlantic knifefish is currently being reviewed.

🦐 Diet

Diet information for Atlantic knifefish is currently being compiled.

🥚 Reproduction

Reproduction data for Atlantic knifefish is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: known only from the type locality, Viana Lake, Pindaré-Mearim river system in Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00269 × L3.07 (TL)
Max TL
67.3cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2007

📊 Population Risk & Fisheries

Fishing Vulnerability
49.00/100
Moderate-High vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Triques, 1999

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Atlantic knifefish ↗
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