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🌊 Marine 🌡️ Tropical

Maldivian perchlet

Pelontrus raki Shepherd, Pinheiro, Najeeb, Rocha & Rocha, 2025
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
100–125 m
Climate
Tropical
Resilience
High
Vulnerability
14.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Observed to inhabits small holes of reef walls at several locations at approximately 100 to 125 m depth .

Scientific Name
Pelontrus raki
Authority
Shepherd, Pinheiro, Najeeb, Rocha & Rocha, 2025
Habitat
Marine
Climate
Tropical
Max Length
7 cm
Depth Range
100–125 m
Trophic Level
3.3
Resilience
High
Vulnerability
14.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Pelontrus
Pelontrus
Species
Maldivian perchlet
Pelontrus raki

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 15; Anal spines: 3; Anal soft rays: 7; Vertebrae: 26. This species is distinguished from its congeners by the following set of characters: D X,15; A III,7; pectoral-fin rays 13|13 (13|12), all unbranched; principal caudal-fin rays 9 + 8; lateral line complete with 30-32 tubed scales; supraneural bones 3, predorsal formula 0/0 + 0/2/1 + 1/1/1/; gill rakers 5 + 12; circumpeduncular scales 11-12; oblique rows of scales on cheek 8; longest dorsal spine the 4th or 5th; no fleshy tips on the dorsal-fin spines; no antrorse serrations on preopercle. Colouration: with a series of irregularly shaped patches of red-orange along dorsal two-thirds of body; patches divided into two indistinct rows by the lateral line; patches of red-orange dorsally and posteriorly, becoming more yellow-orange anteriorly and ventrally, golden yellow on opercle and maxilla; anal fin pointed, mostly white proximally, yellow distally, with two yellow spots approximately one-third orbit diameter at the base of third spine and fifth and sixth soft rays; two irregularly shaped yellow-orange spots, approximately one-third orbit diameter, at either side of centermost caudal-fin rays; small orange spot, approximately one-half orbit in diameter, at the base of pelvic fin.Cross section: compressed.

🌀 Behaviour

Behavioural data for Maldivian 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 100 - 125 m . Tropical West Indian Ocean: Maldives.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.02512 × L2.97 (TL)
Max TL
7cm
Dorsal Spines
10
Dorsal Rays
15
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
14.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Shepherd, Pinheiro, Najeeb, Rocha & Rocha, 2025

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