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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Diadem dottyback

Pictichromis diadema Lubbock & Randall, 1978
Max Length
6.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
5–30 m
Climate
Tropical
Resilience
-
Vulnerability
12.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Found in sheltered reefs with rich coral growth . Small groups are found among coral or rocks. Minimum depth reported from Ref. 27115. In aquarium settings, this species behaves aggressively towards other fishes .

Scientific Name
Pictichromis diadema
Authority
Lubbock & Randall, 1978
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
6.2 cm
Depth Range
5–30 m
Trophic Level
3.5
Vulnerability
12.00/100
Water Temp
24–26 °C
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 21 - 22; Anal spines: 3; Anal soft rays: 11 - 12. : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Diadem dottyback is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

In the aquarium, mature male swims near a female to start courtship. After a while, the female is lured into the breeding cave arranged by the male .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 5 - 30 m , usually 5 - 25 m . Tropical; 24°C - 26°C Central Pacific: Peninsular Malaysia, the Philippines and northern Borneo.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.0049 × L3.11 (TL)
Max TL
6.2cm
Dorsal Spines
3
Dorsal Rays
22
Anal Spines
3
Anal Rays
12

🌡️ Water Parameters & Tolerance

Temperature Range
24–26°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Lubbock & Randall, 1978

🍽️ Edibility & Flavour

⚡ Nutrition

Detailed nutritional data for Diadem dottyback is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Diadem dottyback 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
✓ Sustainable Choice

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

📊 Population Dynamics

Year Region Index Notes
- - -

👥 Community & Contribute

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