New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Vulnerable 🍽️ Edible 🌡️ Tropical

Brazilian sharpnose shark

Rhizoprionodon lalandii Valenciennes, 1839
Max Length
80 cm
Max Weight
-
Lifespan
-
Trophic Level
4.3
Depth
3–70 m
Climate
Tropical
Resilience
Very low
Vulnerability
39.00/100
Typical Length
55 cm
Depth Zone
demersal

📖 Overview

Inhabits shallow coastal waters, on sandy and muddy bottoms, and not normally found in lagoons and estuaries . Feeds on small bony fishes, including sardines and anchovies, also shrimp and squid . Viviparous, with 1 to 4 young in a litter; size at birth 33 to 34 cm . Its flesh is highly appreciated and is marketed dried salted.

Scientific Name
Rhizoprionodon lalandii
Authority
Valenciennes, 1839
Habitat
Marine
Climate
Tropical
IUCN Status
VU
Max Length
80 cm
Depth Range
3–70 m
Latitude
35°S – 13°N
Trophic Level
4.3
Resilience
Very low
Vulnerability
39.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Brazilian sharpnose shark is currently being compiled.

🌀 Behaviour

Behavioural data for Brazilian sharpnose shark is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Viviparous 🤰 Viviparous
Size at Maturity
61.8cm TL

Distinct pairing with embrace . Viviparous, placental .

🌍 Habitat & Distribution

Marine; demersal; depth range 3 - 70 m . Tropical; 13°N - 35°S, 78°W - 31°W

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
4.3±0.65
Food Items

small bony fishes, including sardines and anchovies, also shrimp and squid (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00275 × L3.07 (TL)
Max TL
80cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
4.3
Apex / Top predator
Climate Zone
Tropical
Latitude Range
13°N – 35°S
Described By
Valenciennes, 1839

🍽️ Edibility & Flavour

⚡ Nutrition

Detailed nutritional data for Brazilian sharpnose shark is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Brazilian sharpnose shark 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
- - -

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Brazilian sharpnose shark ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.