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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Halichoeres Dimidiatus

Halichoeres dimidiatus Agassiz, 1831
Max Length
27 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
3–60 m
Climate
Tropical
Resilience
Medium
Vulnerability
38.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Usually observed solitary; juveniles relatively common in shallow waters (3 - 20 meters) while adults are in deeper waters (30 - 60 meters) .

Scientific Name
Halichoeres dimidiatus
Authority
Agassiz, 1831
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
27 cm
Depth Range
3–60 m
Trophic Level
3.6
Resilience
Medium
Vulnerability
38.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 12; Anal spines: 3; Anal soft rays: 12. Juveniles and females blue with a bright yellow region dorsally from mouth to posterior base of dorsal fin; caudal fin with a single dark spot. Adults with a broad blue stripe on upper half of body ending at the beginning of the caudal fin; lower half of body light blue; a diagonal dark band from eye to nape. Two pairs of enlarged canine teeth anteriorly in the lower jaw .: fusiform / normal.

🌀 Behaviour

Behavioural data for Halichoeres Dimidiatus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

Distinct pairing during breeding .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 3 - 60 m . Tropical Southwest Atlantic: French Guiana to the State of São Paulo, Bazil.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.6±0.5
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.01148 × L3.13 (TL)
Max TL
27cm
Dorsal Spines
9
Dorsal Rays
12
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
Medium
Minimum doubling time
Fishing Vulnerability
38.00/100
Moderate vulnerability
Trophic Level
3.6
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Agassiz, 1831

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