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💧 Freshwater 🌡️ Tropical

Haplochromis Molossus

Haplochromis molossus Vranken, Van Steenberge & Snoeks, 2019
Max Length
10.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Haplochromis Molossus (Haplochromis molossus), first described by Vranken, Van Steenberge & Snoeks, 2019 is a small fish in the family Cichlidae (order Cichliformes). Adults typically reach 10.90 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Haplochromis molossus
Authority
Vranken, Van Steenberge & Snoeks, 2019
Habitat
Freshwater
Climate
Tropical
Max Length
10.9 cm
Trophic Level
3.4
Resilience
High
Vulnerability
15.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 15 - 16; Dorsal soft rays (total): 9 - 10; Anal spines: 3; Anal soft rays: 8 - 9; Vertebrae: 28 - 30. Diagnosis: Haplochromis molossus differs from all other known paedophagous Haplochromis within Lakes Edward and George by its broader oral jaws, 67.0-87.0% of lower jaw length vs. 42.0-72.7%, steeper snout, 45-55° vs. 10-40°, and more gentle gape inclination, 20-30° vs. 40-55° . It is similar to H. taurinus and H. gracilifur by its rounded jaws and small lachrymal bones; further distinct from H. taurinus by its smaller eyes, 29.8-33.9% of head length vs. 32.9-40.2%, and from H. gracilifur by its deeper caudal peduncle, 65.5-83.6% of caudal peduncle length vs. 62.9-66.4%, longer premaxillary pedicel, 21.6-25.8% of head length vs. 18.1-21.6%, and higher numbers of infraorbital cheek scales, 3-4 vs. 2, and lower lateral line scales, 9-14 vs. 7-9 . In addtion, it has more outer teeth in upper jaw than H. relictidens and fewer than H. paradoxus, 22-34 vs. 16-26 and 36-65, respectively; it is distinct from both by smaller lachrymal bones, 13.3-17.0% of head length vs. 15.8-18.4% and 14.7-21.5%, respectively; further separated from H. relictidens by its broadly rounded lower jaw vs. pointed lower jaw . Mature males of H. molossus have green bodies and flanks with 6-8 vertical stripes vs. different colour patterns in all other paedophages .

🌀 Behaviour

Behavioural data for Haplochromis Molossus 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. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.99 (TL)
Max TL
10.9cm
Dorsal Spines
16
Dorsal Rays
10
Anal Spines
3
Anal Rays
9
Vertebrae
29

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Vranken, Van Steenberge & Snoeks, 2019

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