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🌊 Marine 🌡️ Subtropical

Hinomaru perchlet

Pelontrus takasei Gill, Tea & Senou, 2016
Max Length
4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
48–60 m
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

This species is only known from Izu Ocean Park, where it has been collected and photographed on rocky reefs at depths of 48-60 meters

Scientific Name
Pelontrus takasei
Authority
Gill, Tea & Senou, 2016
Habitat
Marine
Climate
Subtropical
Max Length
4 cm
Depth Range
48–60 m
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Pelontrus
Pelontrus
Species
Hinomaru perchlet
Pelontrus takasei

🐟 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,5, fourth dorsal-fin spine longest and no fleshy flaps on dorsal-fin spines; pectoral rays 13, all unbranched; branched caudal-fin rays 8 + 7; lateral line scales 28 (including intermittent and terminal pitted scales); circumpeduncular scales 12; preopercle without antrorse spines or serrations ventrally, with 2–3 weak serrations or crenulations posteriorly .Cross section: compressed.

🌀 Behaviour

Behavioural data for Hinomaru 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; reef-associated; depth range 48 - 60 m . Subtropical Northwest Pacifc: Japan.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.02512 × L2.97 (TL)
Max TL
4cm
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
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
Gill, Tea & Senou, 2016

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