Shrimp gill net or Trammel net
(Khmer name Mong Bang Kear)

       Trammel nets are widely used throughout Cambodian sea and more used in Sihanoukville and Koh Kong province (Tab. 12). This gear has a special design and consists of two or tree layers of different mesh size. For example trammel net tree layers, the layers 1 and 3 have a mesh size from 8 to 10 cm and layer 2 has a mesh size from 3.8 to 4.2 cm. This fishing gear is used for capture of mixed fishes but the most important is demersal fish because it is weighted to the bottom. It catches mainly shrimp, catfish and silver and black pomfrets.

Table12.Data of shrimp gill net or trammel net use in the coastal area of Cambodia (Unit = m)

Province/ Municipality	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001
Kep	-	-	-	-	200	300	1,000	1,000	2,000	1,200
Kampot	9,775	4,050	1,600	13,143	13,143	10,500	9,750	4,100	4,100	27,100
Sihanoukville	102,905	86,800	109,350	135,200	168,700	145,700	145,700	121,900	104,900	104,900
Koh Kong	2,025	2,600	-	13,143	512,520	312,600	312,600	869,055	542,890	190,000
Total	114,705	93,450	110,950	161,486	694,563	469,100	469,050	996,055	653,890	323,200

(Source: DoF of Cambodia, 2002)