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💧 Freshwater Least Concern 🌡️ Tropical

Haplochromis Tanaos

Haplochromis tanaos van Oijen & Witte, 1996
Max Length
7.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
0–10 m
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Haplochromis Tanaos (Haplochromis tanaos) is a ray-finned fish of the family Cichlidae. It inhabits freshwater waters. This species can reach a maximum total length of 7.7 cm. It occurs at depths between 0 and 10 metres. With a trophic level of 3.3, 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
Haplochromis tanaos
Authority
van Oijen & Witte, 1996
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
7.7 cm
Depth Range
0–10 m
Trophic Level
3.3
Resilience
High
Vulnerability
12.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 14 - 16; Dorsal soft rays (total): 8 - 10; Anal spines: 3; Anal soft rays: 7 - 10; Vertebrae: 29 - 32. Small, slender, laterally compressed body . A rather acutely pointed snout . Lips not thickened . Lower jaw ventral outline almost straight, the rostral outline of lower jaw straight or slightly convex with a smoothly rounded mental area . Pectoral fins reaching the anus; extension of dorsal and anal fin about equal, reaching the posterior half of the caudal peduncle . All scales on the head are cycloid; scales on rostral part of dorsum cycloid or very weakly ctenoid, caudal part of dorsum with ctenoid scales; scales on flank and caudal peduncle ctenoid; ventral chest scales relatively small and cycloid, lateral chest scales relatively small and weakly ctenoid . Live basic color for males is bluish-grey dorsally and silvery white ventrally; females and juveniles have a distinct, relatively thin mid lateral band and the entire dorsal surface of the head in juveniles is rather uniformly greyish pigmented . Two continuous longitudinal bands on the body .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Haplochromis Tanaos is currently being reviewed.

🦐 Diet

Diet information for Haplochromis Tanaos is currently being compiled.

🥚 Reproduction

Reproduction data for Haplochromis Tanaos is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; depth range 0 - 10 m . Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.99 (TL)
Max TL
7.7cm
Dorsal Spines
15
Dorsal Rays
9
Anal Spines
3
Anal Rays
9
Vertebrae
31

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
van Oijen & Witte, 1996

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