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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Two-spot wrasse

Oxycheilinus bimaculatus Valenciennes, 1840
Max Length
16.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
2–120 m
Climate
Tropical
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits outer reef slopes or deep clear lagoons among rubble or clumps of algae; also in seagrass beds . Often in sheltered estuaries and harbors . Benthic and benthopelagic . Maximum depth reported taken from Ref. 128797.

Scientific Name
Oxycheilinus bimaculatus
Authority
Valenciennes, 1840
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
16.4 cm
Depth Range
2–120 m
Latitude
21°S – 32°N
Trophic Level
3.5
Resilience
High
Vulnerability
23.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 10 - 11; Anal spines: 3; Anal soft rays: 8. Body variable from brown to yellow or green mixed with various color shades or spots. Males develop long filaments on the caudal fin . Young with a broad, dark lateral stripe which breaks into dark blotches in adults, the largest above distal pectoral fins. A small dark spot behind eye. Mouth terminal or lower jaw slightly projecting. Caudal fin of terminal males rhomboid, with central rays longest, and dorsalmost caudal-fin ray elongated into a short filament. A small species (reaching about 14 cm) (Ref 9823).: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Two-spot wrasse is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous, distinct pairing during breeding .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 2 - 120 m . Tropical; 32°N - 21°S East Africa to the Hawaiian and Marquesan islands, north to southern Japan, south to Vanuatu.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.57

📐 Morphometrics

Length–Weight Relationship: W = 0.01905 × L2.77 (TL)
Max TL
16.4cm
Dorsal Spines
9
Dorsal Rays
11
Anal Spines
3
Anal Rays
8

🌡️ 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
23.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
32°N – 21°S
Described By
Valenciennes, 1840

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