Fauna
Species

Japanese Barracuda

Sphyraena japonica

Also known as Japanese Seapike

Japanese barracudas are sleek, torpedo-shaped hunters that patrol warm coastal shallows and continental shelf edges in small, coordinated schools. Equipped with an underslung lower jaw and a battery of razor-sharp teeth, they ambush prey with explosive bursts of speed before wheeling around to devour stunned baitfish. Highly valued in regional coastal fisheries across East Asia, they serve as an essential ecological bridge between small schooling fishes and larger pelagic predators.

MarinePredatorySchooling
Japanese Barracuda reference
Izuzuki / CC BY-SA 3.0 · cc-by-sa
—observations
—countries
—peak records
Data DeficientConservation statusIUCN Red List categoriesLCNTVUENCREWEXData Deficient — not placed on the risk ladderRed List categories, explained →
Key facts
Diet & preyJapanese anchovy, Pacific sardine, Squid
Predators
  • Pelagic sharks
  • Tunas
  • Dolphins
ThreatsCommercial netting, targeted angling pressure, and coastal habitat loss
HabitatsCoastal bays, rocky reefs, shallow estuaries, and open neritic waters
Life span5–10 years
Classification
  1. FamilySphyraenidae
  2. SpeciesSphyraena japonica
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
Equipped with razor-sharp teeth that inflict deep lacerations; use unhooking pliers and avoid handling directly.
Why it is dangerous
Equipped with large, knife-edged teeth set along both jaws that can easily puncture skin and slice deep into muscle tissue when the fish thrashes.
How to recognize a risky encounter
Look for an elongate, silvery cylindrical body, two widely separated dorsal fins, and a prominent jutting lower jaw.
What to do
Never grab a live fish near the gills or mouth with bare hands; immobilize it gently with a wet towel and control the head.
Responsible observation
  • Diving Etiquette: Avoid wearing flashing metallic jewelry or reflective gear, as glinting light can trigger an exploratory strike.
  • Angling Safety: Always use long-handled pliers or a lip grip when unhooking fish to keep hands clear of their sharp teeth.
Related species
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