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💧 Freshwater Least Concern 🌡️ Tropical

Line knifefish

Rhamphichthys lineatus Castelnau, 1855
Max Length
54 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
27.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Line knifefish (Rhamphichthys lineatus) is a ray-finned fish of the family Rhamphichthyidae. It inhabits freshwater waters. This species can reach a maximum total length of 54 cm. With a trophic level of 3.2, 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
Rhamphichthys lineatus
Authority
Castelnau, 1855
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
54 cm
Trophic Level
3.2
Vulnerability
27.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Line knifefish is currently being compiled.

🌀 Behaviour

Behavioural data for Line knifefish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Ucayali River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00083 × L3.1 (TL)
Max TL
54cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Castelnau, 1855

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