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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Whitetail chromis

Pycnochromis leucurus Gilbert, 1905
Max Length
8.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
20–119 m
Climate
Tropical
Resilience
High
Vulnerability
18.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults are found in aggregations near ledges and deep patch reefs . Benthopelagic . Known only from a few specimens. Life history characteristics for the family specify that this group is oviparous, with distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs . Diurnal species .

Scientific Name
Pycnochromis leucurus
Authority
Gilbert, 1905
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
8.5 cm
Depth Range
20–119 m
Latitude
30°S – 30°N
Trophic Level
3.1
Resilience
High
Vulnerability
18.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Pycnochromis
Pycnochromis
Species
Whitetail chromis
Pycnochromis leucurus

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 14; Anal spines: 2; Anal soft rays: 13 - 15. : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Whitetail chromis 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; non-migratory; depth range 20 - 119 m . Tropical; 30°N - 30°S West Pacific: scattered localities, including the Hawaiian Islands, Marquesas, Ryukyu Islands, Mauritius, and Réunion.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
3.1

📐 Morphometrics

Length–Weight Relationship: W = 0.0123 × L3.03 (TL)
Max TL
8.5cm
Dorsal Spines
12
Dorsal Rays
14
Anal Spines
2
Anal Rays
14

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
30°N – 30°S
Described By
Gilbert, 1905

🍽️ Edibility & Flavour

⚡ Nutrition

Detailed nutritional data for Whitetail chromis is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Whitetail chromis has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

📊 Population Dynamics

Year Region Index Notes
- - -

👥 Community & Contribute

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