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

🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Monrovia doctorfish

Acanthurus monroviae Steindachner, 1876
Max Length
45 cm
Max Weight
-
Lifespan
-
Trophic Level
2.5
Depth
5–200 m
Climate
Tropical
Resilience
Medium
Vulnerability
46.00/100
Typical Length
38 cm
Depth Zone
demersal

📖 Overview

Coastal species found in the mouth of rivers and lagoons . Found on rocky and coral bottoms . Feeds on zooplankton, phytoplankton and detritus . Minimum depth reported from Ref. 27115.

Scientific Name
Acanthurus monroviae
Authority
Steindachner, 1876
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
45 cm
Depth Range
5–200 m
Latitude
15°S – 31°N
Trophic Level
2.5
Resilience
Medium
Vulnerability
46.00/100
Water Temp
20–25 °C
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 24 - 26; Anal spines: 6; Anal soft rays: 24 - 26. Caudal peduncle spine surrounded by a bright orange-yellow spot.: short and / or deep.

🌀 Behaviour

Behavioural data for Monrovia doctorfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; brackish; demersal; depth range 5 - 200 m , usually 5 - 40 m . Tropical; 20°C - 25°C ; 31°N - 15°S, 27°W - 14°E recorded from southern Spain, Tunisia, Algeria, Israel and Greece (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
2.5±0.24
Food Items

zooplankton, phytoplankton and detritus (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.02089 × L2.92 (TL)
Max TL
45cm
Dorsal Spines
9
Dorsal Rays
25
Anal Spines
6
Anal Rays
25

🌡️ Water Parameters & Tolerance

Temperature Range
20–25°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
46.00/100
Moderate-High vulnerability
Trophic Level
2.5
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
31°N – 15°S
Described By
Steindachner, 1876

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Acanthurus monrovie Steindachner 1876 Synonym
Teuthis munroviae Steindachner 1876 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 683 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 Monrovia doctorfish ↗
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.