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💧 Freshwater Vulnerable 🌡️ Tropical

Chrysichthys Nyongensis

Chrysichthys nyongensis Risch & Thys van den Audenaerde, 1985
Max Length
23.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
26.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Overview information for Chrysichthys Nyongensis is currently being compiled by our editorial team.

Scientific Name
Chrysichthys nyongensis
Authority
Risch & Thys van den Audenaerde, 1985
Habitat
Freshwater
Climate
Tropical
IUCN Status
VU
Max Length
23.1 cm
Trophic Level
3.3
Resilience
High
Vulnerability
26.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Siluriformes
Siluriformes
Family
Bagridae
Bagridae
Genus
Chrysichthys
Chrysichthys
Species
Chrysichthys Nyongensis
Chrysichthys nyongensis

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 6. Diagnosis: width (as percentage of length) of occipital process) 67-93% (average 79%); depth (as percentage of width) of premaxillary tooth plate 29-43% (average 35%); vomerine dentition generally present as isolated teeth, exceptionally forming small tooth plates, palatine teeth mostly absent, but sometimes present (in mature males) .

🌀 Behaviour

Behavioural data for Chrysichthys Nyongensis is currently being reviewed.

🦐 Diet

Diet information for Chrysichthys Nyongensis is currently being compiled.

🥚 Reproduction

Reproduction data for Chrysichthys Nyongensis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical; 4°N - 3°N endemic to the Nyong River in Cameroon (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L2.98 (TL)
Max TL
23.1cm
Dorsal Spines
2
Dorsal Rays
6

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Risch & Thys van den Audenaerde, 1985

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Chrysichthys longidorsalis nyongensis Risch & Thys van den Audenaerde 1985 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 9 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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