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White-rimmed stingray

Fluvitrygon signifer

White-rimmed stingray© FishBase (CC BY-NC)

The White‑rimmed stingray (Fluvitrygon signifer) is a medium‑sized freshwater and brackish‑water ray that reaches about 60 cm. It is sought for its distinctive white‑bordered disc and is caught mainly by bottom‑fishing techniques. Though not a premier table fish, its flesh is edible when properly prepared.

Fight
Taste
Traumatogenic

Basic Information

Family

Dasyatidae

Max Size

60 cm

Habitat

freshwater, brackish

Climate

tropical

Best Season

Late spring to early fall (May–September)

Best Time

Dusk to early night (sunset to 10 PM)

Distribution

No distribution map available

Fishing Tips for White-rimmed stingray

  • Use a sturdy, medium‑action rod with a sensitive tip for bottom strikes
  • Employ a 10–20 lb test line on a sliding sinker rig
  • Bait with live or fresh shrimp, small fish, or cut bait placed near the bottom
  • Fish over soft substrates where rays lie partially buried and keep the line tight for subtle bites

Top Fishing Locations for White-rimmed stingray

Mekong River – Tonle Sap Region

Cambodia
intermediate75% Very Common

Rich freshwater habitats in the Tonle Sap tributary of the Mekong host abundant white‑rimmed stingrays, especially during the dry season when water levels concentrate fish.

Best: Nov‑Feb

Chao Phraya River – Bangkok Outskirts

Thailand
beginner65% Common

The lower Chao Phraya’s slow‑moving channels are a well‑known spot for freshwater stingrays, easily accessed from Bangkok with local guides.

Best: Oct‑Jan

Batang Hari River

Indonesia
intermediate55% Common

In Jambi Province the Batang Hari offers clear, sand‑bottomed stretches where white‑rimmed stingrays hunt for crustaceans.

Best: May‑Jul

Cheow Lan Lake – Khao Sok National Park

Thailand
expert30% Occasional

A reservoir surrounded by limestone cliffs, its deep channels attract occasional stingrays; access requires a boat tour, making it a bucket‑list spot.

Best: Nov‑Mar

Kapuas River – Central Borneo

Indonesia
intermediate20% Uncommon

The Kapuas’s slow‑flowing lower reaches host a modest population of white‑rimmed stingrays, prized by adventurous anglers willing to trek inland.

Best: Jun‑Sep

Cần Thơ – Mekong Delta

Vietnam
beginner70% Very Common

The canals and backwaters around Cần Thơ are teeming with freshwater rays during the cooler dry months, making it a reliable target for newcomers.

Best: Oct‑Jan

Market Prices

Recommended Fishing Equipment for White-rimmed stingray

Recommended Equipment

RodMedium‑action spinning or baitcasting rod (7‑8 ft)
Line10–20 lb test monofilament or braided line
Lure TypeN/A (use live/fresh bait)
TechniqueBottom fishing with sliding sinker rig

Best bait: Live shrimp, minnows, or cut bait