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🌊 Marine Endangered 🍽️ Edible 🎣 Game Fish 🌡️ Tropical

Sharpnose stingray

Maculabatis gerrardi Gray, 1851
Max Length
200 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
-
Climate
Tropical
Resilience
Very low
Vulnerability
71.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Likely confined to the inner continental shelf , over sandy and mud bottoms . Recorded from coastal waters and river mouths . Feeds on bottom crustaceans including shrimp, crabs and small lobsters . Ovoviviparous . Important food fish, the skin and flesh are dried or used to produce leather for purses and bags . Caught in very large quantities in the demersal tangle net, bottom trawl and trammel net fisheries. Utilized for its meat, skin (high value) and cartilage . It is parasitised on the dorsal skin surface by the monogeneans Dendromonocotyle citrosa, D. colorni, D. ukuthena and D. lotteri .

Scientific Name
Maculabatis gerrardi
Authority
Gray, 1851
Habitat
Marine
Climate
Tropical
IUCN Status
EN
Max Length
200 cm
Trophic Level
3.7
Resilience
Very low
Vulnerability
71.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Sharpnose stingray is currently being compiled.

🌀 Behaviour

Behavioural data for Sharpnose stingray is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

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 . Bears 2 young in summer . Gives birth to litters of 1-4 pups; born at 18-21 cm WD.

🌍 Habitat & Distribution

Marine; brackish; demersal; depth range ? - 50 m . Tropical West Pacific: Oman to Indonesia; north to Taiwan.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.7±0.55
Food Items

bottom crustaceans including shrimp, crabs and small lobsters (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01862 × L3.08 (TL)
Max TL
200cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
71.00/100
High vulnerability
Trophic Level
3.7
Predator
Climate Zone
Tropical
Described By
Gray, 1851

🎣 Angling Guide

Difficulty
Beginner
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Line Weight
15-30
Rod Type
medium-heavy spinning
Hook Size
2/0-5/0
Catch & Release
✓ Recommended
Best Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Techniques
bottom fishing popping cork soft plastics live bait
Bait & Lures
live shrimp cut mullet soft plastic paddle-tails popping corks
Recommended Tackle
  • medium-heavy 7ft spinning rod
  • 30-50 lb braid
  • fluorocarbon leader
Where to Find Them
  • grass flats
  • oyster bars
  • marsh drains
  • deeper channel edges
Tips & Tricks
Popping cork technique attracts fish from distance. Fish moving tides.
Catch & Release Tips

Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.

Regulations Summary

⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.

🍽️ Edibility & Flavour

"Sharpnose stingray 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 20.9 g
Omega-3 (total) 122 mg

🔬 Mercury Safety

Mercury data for Sharpnose stingray 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

🔬 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 Brown Stingray · Sharpnose Stingray · Whitespotted Whipray
🇸🇦Arabic شفنين لساع حاد الأنف
🌍CES trnucha Gerrardova
🇩🇪German Spitznasen-Stechrochen
🇮🇹Italian Pastinaca muso lungo a macchie bianche
🇯🇵Japanese Otomei · オトメエイ
🇵🇹Portuguese Raia-de-cauda-espinhosa
🇷🇺Russian Семибугорчатый хвостокол
🌍THA ปลากระเบนแมลงวัน

Scientific Synonyms

Scientific Name Author Year Status
Dasyatis gerrardi Gray 1851 Synonym
Himantura gerrardi Gray 1851 Synonym
Trygon gerrardi Gray 1851 Synonym
Trygon liocephalus Klunzinger 1871 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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