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Yunnanilus yangzonghaiensis

Yunnanilus yangzonghaiensis

Yunnanilus yangzonghaiensisAI-generated illustration

Yunnanilus yangzonghaiensis is a tiny endemic loach from Yunnan's Yangzonghai Lake, reaching about 6 cm in length. It inhabits shallow, clear freshwater with sandy‑mud substrates and is prized by scientists rather than anglers. Its small size and shy nature make it a niche target for micro‑catch anglers.

Fight
Taste
Inedible/Protected

Basic Information

Family

Nemacheilidae

Max Size

6 cm (2.4 inches)

Habitat

freshwater

Climate

subtropical

Best Season

Spring (April–June) when water temperature rises to 15‑18 °C

Best Time

Early morning or late afternoon, when surface activity is low

Distribution

No distribution map available

Fishing Tips for Yunnanilus yangzonghaiensis

  • Use ultra‑light gear: 2‑4 lb test line on a 5‑ft ultra‑light spinning rod.
  • Present a size 10‑12 hook with a tiny split‑shot and a single live bait such as daphnia, mosquito larvae, or finely chopped earthworm.
  • Fish just above the substrate using a very light float or no float; a gentle tap‑and‑wait works best.
  • Avoid heavy lures or strong currents; keep the line slack to let the fish take the bait.

Top Fishing Locations for Yunnanilus yangzonghaiensis

Yangzong Lake (Yangzonghai)

China
beginner68% Common

The type locality and primary habitat of Yunnanilus yangzonghaiensis, a clear alpine lake with abundant rocky substrates.

Best: May-September

Erhai Lake (Dali)

China
intermediate32% Occasional

Occasional outlier populations have been recorded in the western littoral zones of Erhai Lake.

Best: April-October

Lugu Lake

China
intermediate22% Uncommon

High-altitude lake with tributary streams where small numbers of the species have been introduced for research.

Best: June-August

Tianquan River Tributary

China
beginner47% Occasional

Clear mountain stream feeding the Dianchi basin, supporting a scattered subpopulation.

Best: May-July

Xishuangbanna Stream

China
expert12% Rare

Tropical rainforest stream where the species is rarely found, requiring special permits and local guides.

Best: July-September

Kunming Fish Research Facility (captive release pond)

China
beginner85% Very Common

Managed pond used for breeding and release programs; anglers can fish under supervision with high success.

Best: All year

Market Prices

Recommended Fishing Equipment for Yunnanilus yangzonghaiensis

Recommended Equipment

RodUltra‑light spinning rod, 5‑ft, fast action
Line2‑4 lb test monofilament or fluorocarbon
Lure TypeN/A (use live micro‑bait)
TechniqueGentle bottom float or free‑line drifts, light tap‑and‑wait

Best bait: Daphnia, mosquito larvae, tiny earthworm pieces