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💧 Freshwater Least Concern 🌡️ Tropical

Ornate bichir

Polypterus ornatipinnis Boulenger, 1902
Max Length
60 cm
Max Weight
Lifespan
Trophic Level
3.7
Depth
Climate
Tropical
Resilience
Low
Vulnerability
28.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Facultative air-breathing ; Inhabits calm waters of swamps and rivers . It feeds on worms and insect larvae when young, but takes larger food, mainly fish, when adult . It mainly hunts at night . In general they are more or less solitary fish and do not form schools .

Scientific Name
Polypterus ornatipinnis
Authority
Boulenger, 1902
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
60 cm
Trophic Level
3.7
Resilience
Low
Vulnerability
28.00/100
Water Temp
26–28 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 9 - 11; Anal spines: 14 - 15. Subcylindrical body. Upper and lower jaw of equal length. Number of dorsal finlets: 9-11. Dorsal fin origin well behind pectoral fin. Ganoid scales: 58-65 lateral line scales, 38-44 scales around body, 22-27 predorsal scales. Dorsal side grey-brown colored, marbled with clear whitish spots , the belly is white to yellowish . Head finely reticulated. Fins with white spots alternating with dark spots, forming a continuous bar .: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Ornate bichir is currently being reviewed.

🦐 Diet

Diet information for Ornate bichir is currently being compiled.

🥚 Reproduction

Male starts with the courtship and is the active partner . The male makes from the anal fin a sort of cup and the female lays the eggs in this cup . The male then spreads the eggs so that they attach, e.g., to plants.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical; 26°C - 28°C

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.7±0.6
🐠 Schooling 🧍 Solitary
Food Items

worms and insect larvae when young, but takes larger food, mainly fish, when adult (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.05 (TL)
Max TL
60cm
Dorsal Spines
10
Anal Spines
15

🌡️ Water Parameters & Tolerance

Temperature Range
26–28°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
28.00/100
Low vulnerability
Trophic Level
3.7
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Boulenger, 1902

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 133 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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