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

🌊 Marine Least Concern 🌡️ Tropical

Pycnochromis Fatuhivae

Pycnochromis fatuhivae Randall, 2001
Max Length
6.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
18–21 m
Climate
Tropical
Resilience
High
Vulnerability
16.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Collected from rocky bottom . Diurnal species . Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .

Scientific Name
Pycnochromis fatuhivae
Authority
Randall, 2001
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
6.1 cm
Depth Range
18–21 m
Trophic Level
3
Resilience
High
Vulnerability
16.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Pycnochromis
Pycnochromis
Species
Pycnochromis Fatuhivae
Pycnochromis fatuhivae

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 12 - 13; Anal spines: 2; Anal soft rays: 12 - 13; Vertebrae: 26. Body depth 1.9-2 in SL; preserved color dark brown, the body and median fins posterior to vertical at base of 6th dorsal soft ray pale yellowish (white in life); semicircular darker brown spot (black in life) at base and axil of pectoral fins. Upper and lower spiniform procurrent caudal rays 2; upper and lower 2 branched caudal rays filamentous and very long. Tubed lateral line scales 15. Margin of subopercle free to below rear margin of pupil .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Pycnochromis Fatuhivae is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawn Location
Demersal

Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 18 - 21 m . Tropical Central Pacific: endemic to Marquesas.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.02089 × L2.98 (TL)
Max TL
6.1cm
Dorsal Spines
12
Dorsal Rays
13
Anal Spines
2
Anal Rays
13
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
16.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Randall, 2001

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Pycnochromis Fatuhivae ↗
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.