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💧 Freshwater Near Threatened 🌡️ Tropical

Phantom Knifefish

Rhabdolichops jegui Keith & Meunier, 2000
Max Length
31.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
17.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Phantom Knifefish (Rhabdolichops jegui) is a ray-finned fish of the family Sternopygidae. It inhabits freshwater waters. This species can reach a maximum total length of 31.9 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Near Threatened on the IUCN Red List.

Scientific Name
Rhabdolichops jegui
Authority
Keith & Meunier, 2000
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
NT
Max Length
31.9 cm
Trophic Level
3.2
Vulnerability
17.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Anal soft rays: 165 - 190; Vertebrae: 72 - 86. dorsal, caudal and pelvic fins absent; 0-4 electrocytes rows, eye diameter 16.3 to 22.9 times in head length; body color grey, slightly translucent, with a darker dorsum and hyaline fins.: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Phantom 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: Maroni River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00355 × L2.97 (TL)
Max TL
31.9cm
Anal Rays
178
Vertebrae
79

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2022

📊 Population Risk & Fisheries

Fishing Vulnerability
17.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Keith & Meunier, 2000

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Phantom Knifefish
🌍CES dlouhoocaska maronská

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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