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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Placidochromis Obscurus

Placidochromis obscurus Hanssens, 2004
Max Length
6.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
65–125 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Placidochromis Obscurus (Placidochromis obscurus) is a ray-finned fish of the family Cichlidae. It inhabits freshwater waters. This species can reach a maximum total length of 6.2 cm. It occurs at depths between 65 and 125 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Placidochromis obscurus
Authority
Hanssens, 2004
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
6.2 cm
Depth Range
65–125 m
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 15; Dorsal soft rays (total): 10 - 11; Anal spines: 3; Anal soft rays: 9. Diagnosis: head length 32.3-34.5 %SL; snout length 28.5-29.5 % head length; snout blunt; lower jaw length 36.3-38.0 % head length; premaxillary pedicel length 22.5-26.3 % head length; lachrymal 16.9-20.0 % head length; 18-21 gill-rakers on lower limb of first arch; predorsal distance 35.4-36.5 %SL; body depth 35.5-37.4 %SL . : fusiform / normal.

🌀 Behaviour

Behavioural data for Placidochromis Obscurus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Freshwater; benthopelagic; depth range 65 - 125 m . Tropical endemic to Lake Malawi, present in the southern part of the lake (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.99 (TL)
Max TL
6.2cm
Dorsal Spines
15
Dorsal Rays
11
Anal Spines
3
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Hanssens, 2004

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