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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Hyena Cichlid

Nimbochromis polystigma Regan, 1922
Hyena Cichlid (Nimbochromis polystigma)
Hyena Cichlid (Nimbochromis polystigma)
Max Length
23 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
0–76 m
Climate
Tropical
Resilience
Medium
Vulnerability
25.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Most common in mixed rock-sand habitats and vegetated areas . Occurs in small groups in rocky areas with beds of Vallisneria and Potamogeton . Feeds mainly on fish . Hunts in pairs or in large groups . When singly, sometimes ambushing prey by lying motionless on the substrate, but not on its side .

Scientific Name
Nimbochromis polystigma
Authority
Regan, 1922
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
23 cm
Depth Range
0–76 m
Trophic Level
4.2
Resilience
Medium
Vulnerability
25.00/100
Migration
Non-migratory
Water Temp
23–25 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 9 - 12; Anal spines: 3 - 4; Anal soft rays: 9 - 11. Diagnosis: dark spots on pectoral fins; pattern of speckles on body and head; without conspicuous dark bars radiating from the eye; no downward-directed snout; mouth terminal; premaxillary pedicel length

🌀 Behaviour

Behavioural data for Hyena Cichlid is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 👄 Mouth Brooder 🛡️ Egg Guarder
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Female takes brood into her mouth and takes care of the young.

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 7.5 - 8.5; dH range: 10 - 18; non-migratory; depth range 0 - 76 m , usually 0 - 35 m . Tropical; 23°C - 25°C ; 8°S - 15°S endemic to Lake Malawi; widespread.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Non-migratory
Trophic Level
4.2±0.73
Food Items

fish (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.99 (TL)
Max TL
23cm
Dorsal Spines
16
Dorsal Rays
11
Anal Spines
4
Anal Rays
10

🌡️ Water Parameters & Tolerance

Temperature Range
23–25°C
pH Range
7.5–8.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
4.2
Apex / Top predator
Climate Zone
Tropical
Described By
Regan, 1922

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Hyena Cichlid · Polystigma
🌍CES tlamovec skvrnitý
🇩🇰Danish Leopardcichlide
🇫🇮Finnish täpläsuuhautoja

Scientific Synonyms

Scientific Name Author Year Status
? polystigma Regan 1922 Synonym
Cyrtocara maculimanus Regan 1922 Synonym
Cyrtocara pardalis Trewavas 1935 Synonym
Cyrtocara polystigma Regan 1922 Synonym
Haplochromis maculimanus Regan 1922 Synonym
Haplochromis pardalis Trewavas 1935 Synonym
Haplochromis polistigma Regan 1922 Synonym
Nimbochromis maculimanus Regan 1922 Synonym
Nimbochromis pardalis Trewavas 1935 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 35 records indexed .

Occurrence density from GBIF View GBIF records ↗

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