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Silver spinyfin

Diretmus argenteus

Silver spinyfin© FishBase (CC BY-NC)

The Silver spinyfin (Diretmus argenteus) is a small, deep‑sea species known for its silvery, iridescent body and long, spiny dorsal fin. It inhabits open ocean waters at depths of 500‑2,000 m and is rarely encountered by anglers, making it a novelty target for deep‑sea jiggers.

Fight
Taste
Inedible/Protected

Basic Information

Family

Diretmidae

Max Size

27.6 cm

Habitat

marine

Depth Range

0-2000m

Climate

deep-water

Best Season

Year‑round, though many deep‑sea encounters increase in late summer when thermoclines are stable

Best Time

Nighttime, using strong lights to attract prey species

Distribution

Select a map type to show distribution on the globe.

Fishing Tips for Silver spinyfin

  • Use a heavy‑bottom deep‑sea jigging rig with 30‑50 lb test line
  • Deploy high‑intensity LED or halogen lights to draw baitfish and trigger strikes
  • Target known deep‑sea hotspots using a vessel equipped with down‑firing sonar
  • Use small, biolumenscent lures or live deep‑sea squid as bait

Market Prices

Recommended Fishing Equipment for Silver spinyfin

Recommended Equipment

RodHeavy‑action deep‑sea rod, 7‑8 ft
Line30‑50 lb test braided line
Lure TypeSmall deep‑sea jig or glowing soft plastic lure
TechniqueDeep‑sea jigging with lights

Best bait: Live deep‑sea squid or biolumenscent baitfish (if available)