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💧 Freshwater Least Concern 🌡️ Tropical

Racenisia Fimbriipinna

Racenisia fimbriipinna Leccia, 1994
Max Length
11.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Racenisia Fimbriipinna (Racenisia fimbriipinna) is a ray-finned fish. It inhabits freshwater waters. This species can reach a maximum total length of 11.7 cm. With a trophic level of 3.1, 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
Racenisia fimbriipinna
Authority
Leccia, 1994
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
11.7 cm
Trophic Level
3.1
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Racenisia
Racenisia
Species
Racenisia Fimbriipinna
Racenisia fimbriipinna

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal soft rays: 171 - 193; Vertebrae: 94 - 97. Body abruptly attenuated caudally; 23 precaudal vertebrae; cranium higher than in other members of the family; anal rays covered by a thick tissue, giving an undulated shape to the anal fin; basibranchials not ossified (cartilaginous matrices); tail about 1/5 of anal fin base; lateral line incomplete; no scalation on dorsoanteriorly and middorsally.

🌀 Behaviour

Behavioural data for Racenisia Fimbriipinna 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: known only from localities around San Fernando de Atabapo and San Carlos de Rio Negro, Territorio Amazonas, Venezuela.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00372 × L3.06 (TL)
Max TL
11.7cm
Anal Rays
182
Vertebrae
96

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Leccia, 1994

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