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💧 Freshwater Least Concern 🌡️ Tropical

Losera fangtooth pellonuline

Odaxothrissa losera Boulenger, 1899
Max Length
14.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
14.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Found in rivers and streams , also lakes . A small predator, feeding on shrimps, mayfly nymphs and little fish .

Scientific Name
Odaxothrissa losera
Authority
Boulenger, 1899
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
14.4 cm
Latitude
14°S – 7°N
Trophic Level
3.1
Resilience
High
Vulnerability
14.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 15 - 18; Anal spines: 0; Anal soft rays: 19 - 24. Diagnosis: Body slender or moderate, its depth about 22-29% of standard length; 10-14 pre-pelvic and 7-10 post-pelvic scutes, no pre-pectoral scutes, first scute beginning slightly before or behind base of last pectoral fin ray and identical as following scutes without ascending arms; lower jaw strongly projecting, with strong canine teeth at symphysis; pre-maxilla with one large backward-pointing canine tooth on each side, about halfway along normal pre-maxillary series, rarely 1-2 smaller ones beside or a little behind it; lower gill rakers 18-29, shorter than corresponding gill filaments and the anterior ones reduced to stumps in large adults; anal fin with 19-24 rays; silver stripe along flank . It resembles Pellonula vorax, which lacks canine teeth in the upper jaw and has one or more pre-pectoral scutes . : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Losera fangtooth pellonuline is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical; 7°N - 14°S distributed in the lower and middle Congo River basin (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.06 (TL)
Max TL
14.4cm
Dorsal Rays
17
Anal Rays
22

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
14.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
7°N – 14°S
Described By
Boulenger, 1899

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Odaxothrissa lozera Boulenger 1899 Synonym
Odaxothrissa vittata Regan 1917 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 57 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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