■,淡水溪流可钓鱼种之一,■科,体延长,前部平扁,后部侧扁,胸前平坦,前方具一吸盘。须四对,基部宽扁。背鳍、胸鳍均具硬刺。全身无鳞。比较常见的有外口■、中华爬岩■、沟褶■等。■主要生活于亚洲热带、亚热带山涧溪流中,我国华南和西南地区山区均产。四川岷江一带及支流所产的外口■,肉味鲜美,产量较高。可用软竿、细长线、小钩,以溪虫、菜虫等为钓饵,吃够快。是踩滩钓和溪流钓的主钓鱼种之一。 ■, freshwater streams can be one species of fishing, ■ Section, body extension, the front flat, the flat side of the back, flat chest, the front with a suction cup. Four pairs, wide base. Dorsal fin, pectorals are hard thorns. Body without scales. The more common are outside the mouth ■, China climbing ■, furrows and so on. ■ Mainly live in tropical and subtropical mountain streams in Asia, and produce in mountainous areas in South China and Southwest China. Sichuan Minjiang River and the tributaries produced by the mouth ■, delicious meat, higher yields. Available soft rods, slender lines, small hooks, creek insects, insects and insects as bait, eat fast enough. It is one of the main fishing species for trekking and stream fishing.