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🌊 Marine 🌡️ Subtropical

Melanesian perchlet

Zalanthias melanesius Randall, 1980
Max Length
9.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
260–360 m
Climate
Subtropical
Resilience
High
Vulnerability
20.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Melanesian perchlet (Zalanthias melanesius) is a ray-finned fish of the family Anthiadidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 9.7 cm. It occurs at depths between 260 and 360 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Zalanthias melanesius
Authority
Randall, 1980
Habitat
Marine
Climate
Subtropical
Max Length
9.7 cm
Depth Range
260–360 m
Trophic Level
3.4
Resilience
High
Vulnerability
20.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 15 - 16; Anal spines: 3; Anal soft rays: 7; Vertebrae: 26. This species is distinguished by the following set of characters: D X,15-16; pectoral rays 15; lateral line complete with 32-34 tubed scales; no antrorse serrations on lower edge of preopercle; scales with basal cteni; melanophores on caudal peduncle form a bar that extends to ventral margin of peduncle .Cross section: compressed.

🌀 Behaviour

Behavioural data for Melanesian perchlet 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; depth range 260 - 360 m . Subtropical Southwest Pacific: Australia and New Caledonia.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.02512 × L2.97 (TL)
Max TL
9.7cm
Dorsal Spines
10
Dorsal Rays
16
Anal Spines
3
Anal Rays
7
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
20.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Subtropical
Described By
Randall, 1980

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