A live freshwater snail trapping device and method with accurate screening
By using a detachable toothed arch gate and a ramp guide structure in a freshwater snail harvesting device, precise screening and low-damage harvesting of snails are achieved. This solves the problems of poor precision screening and adaptability in existing technologies, reduces the intensity and cost of manual operation, and is suitable for various aquatic environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI
- Filing Date
- 2026-05-25
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies cannot achieve precise screening of freshwater snails, and are prone to accidentally catching juvenile snails, diseased or weak individuals, or non-target snails. The snail damage rate is high during the harvesting process, and the equipment structure is complex or has poor adaptability, making it difficult to meet the needs of large-scale and precise harvesting in different waters and aquaculture scenarios.
A detachable toothed arch gate is used for precise screening of snails by size. Combined with ramp guidance and a closed shell structure, the toothed arch gate design enables physical screening of snail species and sizes. The ramp guidance and closed shell structure ensure that snails crawl into the device autonomously, avoiding mechanical damage.
It enables precise control over the species and size of snails, reduces snail damage rate, reduces manual operation intensity and cost, is highly adaptable, suitable for various aquatic environments, and meets the requirements of green aquaculture.
Smart Images
Figure CN122397697A_ABST