Barbed Fish Hooks

Improved hook shapes with barbs, points, and tied lines for more reliable fishing in rivers, lakes, and coasts.

Core metadata

ID: fish_hook_barbs
Era: Ancient
First known date: -21000 (millennium)
Region: Sakitari Cave, Okinawa Island, Japan
Review status: source_checked
Maturity: N/A

Prerequisites

Dependents

None.

Fields

None.

Node sources

Advanced maritime adaptation in the western Pacific coastal region extends back to 35,000-30,000 years before present (Proceedings of the National Academy of Sciences, 2016, primary_paper) • Supports: edge, node
Locator: PubMed abstract and figures: Sakitari Cave yielded formally shaped shell artifacts including the world's oldest fishhooks from occupation extending 35,000-30,000 years before present.

Prerequisite edge evidence

Edge/source evidence summary:

Prerequisite edges: 2
Average edge confidence: 72%
Prerequisite sources: 2
expert_inference: 2

Prerequisite	Type	Confidence	Evidence level	Note	Sources
Paleolithic Fish Hooks (fishing_nets_hooks)	enabling	68%	expert_inference	Paleolithic Fish Hooks provide an earlier hook technology that enables later hook-shape improvements without proving a hard prerequisite.	Advanced maritime adaptation in the western Pacific coastal region extends back to 35,000-30,000 years before present (Proceedings of the National Academy of Sciences, 2016, primary_paper) • Supports: edge
Basic Rope Making (basic_rope_making)	historical_predecessor	75%	expert_inference	Basic Rope Making is an earlier historical predecessor or foundation, not a one-to-one engineering dependency.	Direct evidence of Neanderthal fibre technology and its cognitive and behavioral implications (Scientific Reports, 2020, primary_paper) • Supports: edge

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