Yellowtail dascyllus
📖 Overview
Adults inhabit coral and rocky reefs . A protogynous hermaphrodite . Feeds on zooplanktons . Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs . Diurnal species.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 12; Dorsal soft rays (total): 15 - 16; Anal spines: 2; Anal soft rays: 13 - 14. : short and / or deep; Cross section: compressed.
🌀 Behaviour
Behavioural data for Yellowtail dascyllus is currently being reviewed.
🦐 Diet
Diet information for Yellowtail dascyllus is currently being compiled.
🥚 Reproduction
Forms permanent harem groups composed of a single male and several smaller females . A monandric species . Oviparous . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs . While protogyny was originally proposed for this species such as the report of length at sex change = 6.8 cm TL , recent studies confirmed gonochorism in the form of non-functional hermaphroditism .
🌍 Habitat & Distribution
Marine; reef-associated; non-migratory; depth range 3 - 40 m . Tropical
🌿 Ecology
zooplanktons (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Yellowtail dascyllus 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 | 18.2 g |
| Omega-3 (total) | 120 mg |
🔬 Mercury Safety
Mercury data for Yellowtail dascyllus has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | black damselfish · Yellowtail Dascyllus |
| 🏳️Catalan | Dascyllus de cua groga |
| 🌍CES | komorník žlutoocasý |
| 🇫🇷French | Demoiselle à queue jaune |
| 🇮🇹Italian | Damigella coda gialla oceanica |
| 🇵🇹Portuguese | Dascyllus-de-cauda-amarela |
| 🇪🇸Spanish | Damisela de cola amarilla |
| 🌍TAH | 'atoti |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
👥 Community & Contribute
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