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🌊 Marine Least Concern 🍽️ Edible 🐠 Aquarium 🌡️ Tropical

Blackedged angelfish

Genicanthus watanabei Yasuda & Tominaga, 1970
Max Length
15 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
21–81 m
Climate
Tropical
Resilience
Medium
Vulnerability
29.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Occurs in current-swept outer reef slopes and drop-offs . Feeds on plankton. Forms harems of 2-5 individuals. Occasionally exported through the aquarium trade .

Scientific Name
Genicanthus watanabei
Authority
Yasuda & Tominaga, 1970
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
15 cm
Depth Range
21–81 m
Latitude
28°S – 30°N
Trophic Level
3.4
Resilience
Medium
Vulnerability
29.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 15 - 16; Dorsal soft rays (total): 15 - 16; Anal spines: 3; Anal soft rays: 14 - 17. Males light blue with 8 black stripes on the lower 2/3 of the body (the posterior end of the uppermost yellow, the lowermost stripes extending the adjacent anal fin); females light blue with a vertical black bar above the eye and spots on the forehead; both sexes with a broad submarginal band on the dorsal and anal fins; females with broad submarginal band on the caudal-fin lobes.: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Blackedged angelfish 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; reef-associated; non-migratory; depth range 21 - 81 m . Tropical; 30°N - 28°S north to the Ryukyu Islands, south to New Caledonia and the Austral Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
3.4±0.45
Food Items

plankton

📐 Morphometrics

Length–Weight Relationship: W = 0.02951 × L2.89 (TL)
Max TL
15cm
Dorsal Spines
16
Dorsal Rays
16
Anal Spines
3
Anal Rays
16

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
30°N – 28°S
Described By
Yasuda & Tominaga, 1970

🍽️ Edibility & Flavour

"Blackedged angelfish is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

⚡ Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 18.2 g
Omega-3 (total) 126 mg

🔬 Mercury Safety

Mercury data for Blackedged angelfish 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
- - -

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Blackedged Angelfish · Pinstriped Angelfish · Watanabe's angelfish
🏳️Catalan Peix àngel blau
🌍CES pomec Watanabeův
🇩🇰Danish Sortkantet Kejserfisk
🇫🇷French Poisson-ange de Watanabe · Poisson-ange lyre de Watanabe
🇮🇹Italian Pesce angelo di Watanabe
🇯🇵Japanese Hirenagayakko · ヒレナガヤッコ
🇵🇹Portuguese Peixe-anjo-de-Watanabe
🌍TAH paraharaha
🇨🇳Chinese 渡邊氏神仙 · 渡邊頰刺魚

Scientific Synonyms

Scientific Name Author Year Status
Genicanthus vermiculatus Shen & Lim 1975 Synonym
Holacanthus watanabei Yasuda & Tominaga 1970 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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