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🌊 Marine Data Deficient 🌡️ Tropical

Halidesmus Polytretus

Halidesmus polytretus Winterbottom, 1982
Max Length
5.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
13.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Halidesmus Polytretus (Halidesmus polytretus) is a ray-finned fish of the family Pseudochromidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 5.7 cm. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Halidesmus polytretus
Authority
Winterbottom, 1982
Habitat
Marine
Climate
Tropical
IUCN Status
DD
Max Length
5.7 cm
Trophic Level
3.5
Vulnerability
13.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 57 - 58; Anal spines: 0; Anal soft rays: 45 - 46; Vertebrae: 63 - 64. No scales on cheek and nape. A median pore posterior to posterior interorbital pore; at least with 11 suborbital pores; 9 preopercular pores. A dark spot above pectoral fin.: eel-like; Cross section: circular.

🌀 Behaviour

Behavioural data for Halidesmus Polytretus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; demersal. Tropical; 1°S - 4°S north of Malindi, Kenya.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
5.7cm
Dorsal Spines
1
Dorsal Rays
58
Anal Rays
46
Vertebrae
64

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Tropical
Described By
Winterbottom, 1982

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