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🌊 Marine Near Threatened 🎣 Game Fish 🌡️ Subtropical 🎣 Game Fish

Narrowfin smooth-hound

Mustelus norrisi Springer, 1939
Max Length
110 cm
Max Weight
13.8 kg
Lifespan
-
Trophic Level
3.9
Depth
1–100 m
Climate
Subtropical
Resilience
Very low
Vulnerability
53.00/100
Typical Length
80 cm
Depth Zone
demersal

📖 Overview

Found on the continental shelves, on muddy or sandy bottoms to about 80 m depth. Feeds on crabs and shrimps, and also bony fishes. Viviparous (with a yolk-sac placenta), with 7 to 14 young in a litter. Size at birth 30 cm.

Scientific Name
Mustelus norrisi
Authority
Springer, 1939
Habitat
Marine
Climate
Subtropical
IUCN Status
NT
Max Length
110 cm
Max Weight
13.8 kg
Depth Range
1–100 m
Latitude
36°S – 32°N
Trophic Level
3.9
Resilience
Very low
Vulnerability
53.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Narrowfin smooth-hound is currently being compiled.

🌀 Behaviour

Behavioural data for Narrowfin smooth-hound is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Viviparous 🤰 Viviparous

Viviparous (with a yolk-sac placenta) . Distinct pairing with embrace .

🌍 Habitat & Distribution

Marine; demersal; depth range 1 - 100 m , usually 3 - 40 m . Subtropical; 32°N - 36°S, 99°W - 47°W

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.9±0.67
Food Items

crabs and shrimps, and also bony fishes

📐 Morphometrics

Length–Weight Relationship: W = 0.00174 × L3.1 (TL)
Max TL
110cm
Max Weight
13,800g

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
53.00/100
Moderate-High vulnerability
Trophic Level
3.9
Predator
Climate Zone
Subtropical
Latitude Range
32°N – 36°S
Described By
Springer, 1939

🎣 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.

📊 Population Dynamics

Year Region Index Notes
- - -

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 7 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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