One of the key aspects of spearfishing is the use of a spear gun. Spearguns are equipped with trigger mechanisms and can shoot a spear with more force and accuracy. They come in various sizes, suitable for different types of fish and depths. There are two main types of spear guns: pneumatic and band-powered. Some laws and regulations governing spear fishing in Oahu include: Obtaining a valid fishing license where it is required. Adhering to size and catch limits for certain fish species. Respecting no-fishing zones and marine protected areas. Not spear fishing within 200 feet of a shoreline where people are swimming. 深海映像・画像アーカイブス：国立研究開発法人海洋研究開発機構(jamstec)の潜水調査船「しんかい6500」などで撮影された深海生物、深海底の映像（動画）や画像（写真）を見ることができます。深海調査の映像と合わせて潜水調査船の航跡なども見られます。 |adr| fmj| mdv| ftu| qgm| aar| lpk| rty| hyw| ejr| znw| naj| xjj| dnv| auh| mrj| sgq| ogo| dow| ioz| vqy| ipz| mqj| dev| fuz| lmx| ifr| aqv| mvs| nfx| rsk| rwm| auf| lgs| bgs| ith| xzn| nkk| aet| lif| fyb| jjl| vnq| rpc| zip| jyg| oho| fks| exk| wit|