New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Severns' wrasse

Pseudojuloides severnsi Bellwood & Randall, 2000
Max Length
9.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
12–40 m
Climate
Tropical
Resilience
High
Vulnerability
17.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Mainly in open ground areas covered with rubble; may also be found in areas with rock and coral patches . Found in small harems and feeds on material on the substratum . Minimum depth reported from Ref. 35870.

Scientific Name
Pseudojuloides severnsi
Authority
Bellwood & Randall, 2000
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
9.2 cm
Depth Range
12–40 m
Trophic Level
3.4
Resilience
High
Vulnerability
17.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 12. With a large blue-margined black patch covering the posteriodorsal region of the head and the dorsal anterior third of the body, an orange submarginal line along the length of the dorsal fin, and upper and lower rays of the caudal fin forming dark lobes that protrude beyond the medial caudal margin .: fusiform / normal.

🌀 Behaviour

Behavioural data for Severns' wrasse is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous, distinct pairing during breeding .

🌍 Habitat & Distribution

Marine; demersal; depth range 12 - 40 m . Tropical West Pacific: Maldives to the western Pacific.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.4±0.4
Food Items

material on the substratum (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.07 (TL)
Max TL
9.2cm
Dorsal Spines
9
Dorsal Rays
11
Anal Spines
3
Anal Rays
12

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2008

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
17.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Bellwood & Randall, 2000

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Black-hat slender wrasse · Royal Pencil Wrasse
🇯🇵Japanese Aosujiogurobera · アオスジオグロベラ
🇵🇹Portuguese Bodião-princesa

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Severns' wrasse ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.