Fauna
Species

Northern Searobin

Prionotus carolinus

Also known as Northern Sea Robin, Common Sea Robin, Gurnard

Northern searobins walk along the ocean floor using three specialized, finger-like lower pectoral fin rays that probe the sediment for buried food. Large, fan-like pectoral fins open wide when threatened, displaying subtle iridescent patterns to startle predators. When disturbed or brought out of the water, they vibrate their swim bladders to create a loud, distinctive croaking grunt.

MarineBottom DwellerCoastal
Northern Searobin reference1 / 6
(c) Jonathan Layman, some rights reserved (CC BY) · cc-by
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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Key facts
Diet & preyCrabs, Shrimp, Polychaete Worms
Predators
  • Striped Bass
  • Summer Flounder
  • Sandbar Shark
ThreatsCommercial trawling bycatch and coastal water pollution
HabitatsShallow coastal waters, estuaries, bays, and sandy or muddy sea floors
Life span8–11 years
Classification
  1. OrderScorpaeniformes
  2. FamilyTriglidae
  3. GenusPrionotus
  4. SpeciesPrionotus carolinus
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Sharp opercular spines and spiny fin rays can cause painful punctures if handled carelessly.
Why it is dangerous
Equipped with sharp, rigid spines on the gill covers and dorsal fin that easily puncture bare skin if compressed.
How to recognize a risky encounter
Recognized by large wing-like pectoral fins, a heavy bony head armor, and finger-like leg rays beneath the gills.
What to do
Grasp firmly behind the head avoiding the gill covers, or use a unhooking tool to avoid punctures.
Responsible observation
  • Observe Benthic Movements: Look closely near sandy drop-offs and estuaries to see them walking on three modified fin rays.
  • Listen for Sounds: Listen for low grunting croaks produced by vibrating their swim bladder when caught or startled.
  • Handle with Care: Use thick gloves or a lip gripper to avoid sharp gill cover spines when unhooking.
Related species
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