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🌊 Marine Least Concern 🌡️ Tropical

Doublespot perchlet

Xenanthias fourmanoiri Randall, 1980
Max Length
4.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
5–44 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits coral reefs in lagoons and exposed areas . Deep-dwelling fishes. Feeds on small fishes and crustaceans . Solitary in crevices (Ref 90102).

Scientific Name
Xenanthias fourmanoiri
Authority
Randall, 1980
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
4.7 cm
Depth Range
5–44 m
Latitude
25°S – 16°N
Trophic Level
3.8
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Xenanthias
Xenanthias
Species
Doublespot perchlet
Xenanthias fourmanoiri

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 16 - 18; Anal spines: 3; Anal soft rays: 7. This species is distinguished from its congeners by the following set of characters: no teeth on palatines; dorsal segmented rays usually 16-18 (rarely 20); fourth or fifth dorsal spine longest; pectoral rays 12-13, all unbranched; predorsal scales extend anteriorly only to vertical through mid-pupil; lateral line complete or interrupted, with 15-26 + 0-4 tubed scales. Colouration: a large black spot on the middle portion of dorsal fin, one near the end of the dorsal fin, one over the base of the last four anal rays, and one mid-ventrally on the abdomen in front of the anus . : fusiform / normal.

🌀 Behaviour

Behavioural data for Doublespot perchlet is currently being reviewed.

🦐 Diet

Diet information for Doublespot perchlet is currently being compiled.

🥚 Reproduction

Reproduction data for Doublespot perchlet is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 5 - 44 m . Tropical; 16°N - 25°S Pacific Ocean.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.8±0.61
🧍 Solitary
Food Items

small fishes and crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01413 × L3 (TL)
Max TL
4.7cm
Dorsal Spines
10
Dorsal Rays
17
Anal Spines
3
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.8
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
16°N – 25°S
Described By
Randall, 1980

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