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🌊 Marine Least Concern 🌡️ Tropical

Spinster wrasse

Halichoeres nicholsi Jordan & Gilbert, 1882
Max Length
38 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
3–53 m
Climate
Tropical
Resilience
Medium
Vulnerability
36.00/100
Typical Length
20 cm
Depth Zone
reef

📖 Overview

Found over sand and gravel bottoms near coral reefs. Adults are solitary but juveniles form aggregations, sometimes with other species of wrasses. Feeds on mollusks, brittle stars, sea urchins and crabs. Hides under the sand to sleep and to seek shelter, in cases of danger.

Scientific Name
Halichoeres nicholsi
Authority
Jordan & Gilbert, 1882
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
38 cm
Depth Range
3–53 m
Latitude
1°S – 32°N
Trophic Level
4
Resilience
Medium
Vulnerability
36.00/100
Salinity
30–40 ppt

🐟 Physical Description

Body moderately slender and compressed; head somewhat small and pointed; teeth caniniform, enlarged, and somewhat crooked, two anterior pairs in each jaw; posterior end of upper jaw with one protruding, forward directed canine on each side; dorsal fin continuous, with 9 spines; lateral line with 28 scales; body blue green, with a dark, vertical bar near posterior edge of pectoral fin, preceded by a very marked yellow spot; all fins except pectorals, blue, speckled with red or light colored spots and stripes .: fusiform / normal.

🌀 Behaviour

Behavioural data for Spinster wrasse is currently being reviewed.

🦐 Diet

Diet information for Spinster wrasse is currently being compiled.

🥚 Reproduction

Distinct pairing during breeding .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 3 - 53 m , usually 3 - 27 m . Tropical; 32°N - 1°S

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
4±0.61
🧍 Solitary
Food Items

mollusks, brittle stars, sea urchins and crabs

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.08 (TL)
Max TL
38cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
32°N – 1°S
Described By
Jordan & Gilbert, 1882

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Halichoeres macgregori Gilbert & Starks 1904 Synonym
Halichoeres sellifer Gilbert 1890 Synonym
Halichoeres stictus Fowler 1944 Synonym
Halichoeres stigmasepia Fowler 1944 Synonym
Julidio maculosus Clark 1936 Synonym
Platyglossus nicholsi Jordan & Gilbert 1882 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 11 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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