Japanese swallow
📖 Overview
Inhabits seaward rocky and coral reefs . Hardy aquarium species; takes standard food such as chopped beef, freeze-dried shrimp, mysids, etc. A protogynous hermaphrodite . Forms permanent harem groups composed of a single male and several smaller females .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 15; Dorsal soft rays (total): 15 - 16; Anal spines: 3; Anal soft rays: 17. : short and / or deep.
🌀 Behaviour
Behavioural data for Japanese swallow is currently being reviewed.
🦐 Diet
🥚 Reproduction
A monandric species . Sex change occurs at 9.3 cm TL . Forms permanent harem groups composed of a single male and several smaller females . Also Ref. 103751.
🌍 Habitat & Distribution
Marine; reef-associated; non-migratory; depth range 15 - 100 m . Tropical
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Japanese swallow 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
Detailed nutritional data for Japanese swallow is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Japanese swallow 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 (generic fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Holacanthus fucosus | Yasuda & Tominaga | 1970 | Synonym |
| Holacanthus semifasciatus | Kamohara | 1934 | Synonym |
🦠 Common Diseases
The following diseases are known to affect Japanese swallow.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
👥 Community & Contribute
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