Blackhead seabream
📖 Overview
Found in bays, shallow rocky reefs, and in brackish waters . Feeds on mollusks and polychaetes. Spawns in the spring and summer months . It is parasitised by the monogenean A. spari on the fins and body surface .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 8. : short and / or deep.
🌀 Behaviour
Behavioural data for Blackhead seabream is currently being reviewed.
🦐 Diet
🥚 Reproduction
Sex change occurs at about 5 years of age .
🌍 Habitat & Distribution
Marine; brackish; demersal; depth range 15 - ? m. Subtropical; 43°N - 20°N, 107°W - 143°W Northwest Pacific: southern Hokkaido, Japan to the southern Korean Peninsula, middle and north coast of the Republic of China and Taiwan.
🌿 Ecology
mollusks and polychaetes
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🎣 Angling Guide
- medium-heavy 7ft spinning rod
- 30-50 lb braid
- fluorocarbon leader
- grass flats
- oyster bars
- marsh drains
- deeper channel edges
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.
🍽️ Edibility & Flavour
"Blackhead seabream is an edible species."
- 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
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
| Nutrient | Amount |
|---|---|
| Protein | 19.5 g |
| Omega-3 (total) | 279 mg |
🔬 Mercury Safety
Mercury data for Blackhead seabream has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (lean white fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Black porgy · Blackhead Seabream |
| 🇯🇵Japanese | Kurodai · クロダイ |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
👥 Community & Contribute
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