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💧 Freshwater Least Concern 🌡️ Tropical

Barred bichir

Polypterus delhezi Boulenger, 1899
Max Length
44 cm
Max Weight
Lifespan
Trophic Level
3.2
Depth
Climate
Tropical
Resilience
Low
Vulnerability
23.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Facultative air-breathing ; This carnivorous fish lives in streams, lakes and zones of flood . Reproduction and spawning occurs during the rainy season .

Scientific Name
Polypterus delhezi
Authority
Boulenger, 1899
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
44 cm
Trophic Level
3.2
Resilience
Low
Vulnerability
23.00/100
Water Temp
26–28 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 10 - 13; Anal spines: 0; Anal soft rays: 11 - 14. Subcylindrical body . Upper and lower jaws reaching to the same level, or the lower jaw is a little shorter. Number of dorsal finlets: 10-13. Pectoral fin not reaching dorsal fin origin . Ganoid scales : 52-58 lateral line scales, 36-40 scales around body, 12-17 predorsal scales. Dorsal side gray-olive colored, with 7 to 8 black transversal bars; ventral side yellowish, lighter on ventral side of head. Spots are forming a black line between the lips and suboperculum . Fins yellow with brown or black spots .: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Barred bichir is currently being reviewed.

🦐 Diet

Diet information for Barred bichir is currently being compiled.

🥚 Reproduction

Reproduction occurs during the rainy season .

🌍 Habitat & Distribution

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

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.25

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.05 (TL)
Max TL
44cm
Dorsal Spines
12
Anal Rays
13

🌡️ 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
23.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Boulenger, 1899

🌐 Names & Taxonomy

Language Common Names
🇬🇧English barred bichir
🇩🇰Danish Stribet Bikir
🇩🇪German Zaire-Flösselhecht
🇯🇵Japanese ポリプテルス・デルヘッジ
🇷🇺Russian Многопёр Дельхеза
🇨🇳Chinese 斑節恐龍,戴氏多鰭魚

Scientific Synonyms

Scientific Name Author Year Status
Polypterus ansorgei delhezi Boulenger 1899 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 52 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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