Long-tailed butterfly ray
📖 Overview
Ovoviviparous . Caught often in demersal trawls, and occasionally by trammel net. Utilized for its meat, but of limited value due to its typically small size .
🔬 Taxonomy
🐟 Physical Description
Physical description for Long-tailed butterfly ray is currently being compiled.
🌀 Behaviour
Behavioural data for Long-tailed butterfly ray is currently being reviewed.
🦐 Diet
🥚 Reproduction
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures . Distinct pairing with embrace . Gives birth to litters of up to 7 pups; born at 24-26 cm WD .
🌍 Habitat & Distribution
Marine; demersal; depth range ? - 80 m . Tropical north to Japan.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Long-tailed butterfly ray 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 | 22.5 g |
| Omega-3 (total) | 159 mg |
🔬 Mercury Safety
Mercury data for Long-tailed butterfly ray 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 |
|---|---|---|---|
| Pastinaca kunsa | Cuvier | 1829 | Synonym |
| Pastinaca kunsua | Cuvier | 1829 | Synonym |
| Pteroplatea annulata | Swainson | 1839 | Synonym |
| Pteroplatea poecilura | Shaw | 1804 | Synonym |
| Raja poecilura | Shaw | 1804 | Synonym |
| Trygon kunsa | Cuvier | 1829 | Synonym |
| Trygon poecilurus | Shaw | 1804 | Synonym |
| Urogymnus poecilura | Shaw | 1804 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 4 records indexed .
👥 Community & Contribute
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