Levels of Organochlorine Pesticides in Brackish Water Fish from Niger River, Nigeria

Table 5

Organochlorine pesticides (DDT and endosulfan) concentrations (µg/kg fresh weight) in brackish water fish. 

Fish Species/No	p’DDD	p’DDE	p'p’DDT	Endosulfan; I	Endosulfan; II	Endosulfan; Sulfate
Drapane Africana (n=6)	1232±1087; (145.0-2320)	94.5±9.54; (84.9-104.0)	234.0±173.0; (61.2-408.0	68.7±21.1; (47.6-89.8)	493.0±333.0; (160.0-826)	233.0±29.0; (204.0-262)
Mochokus Niloticus (n=6)	654.0±584.0; (BDL-1634	81.6±52.4; (24.4-134.0)	191.0±176.0; (BDL-455.0)	32.5±12.9; (6.75-43.2)	337.0±379.0; (37.4-1096)	49.1±63.9; (BDL-177.0)
Chrysichthys nigrodigitatus (n=6)	244.0±244; (BDL-612.0)	100.0±43.6; (50.9-166.0)	133.0±115.0; (15.1-307.0)	34.3±21.1; (15.7-65.9)	254.0±230.0; (46.6-600.0)	47.2±31.5; (BDL-79.4)
Pristipoma jubelini (n=6)	95.7±25.1; (52.2-111.0)	63.0±34.1; (28.7-118.0)	90.4±43.4; (28.7-118.0)	25.4±15.1; (12.3-40.6)	95.7±25.1; (54.2-111.0)	2.33±0.97; (BDL-5.45)
Vomer Septapinis (n=6)	476.0±407.0; (67.3-1494)	65.1±21.6; (32.5-118)	97.5±89.2; (BDL-304.0)	42.5±21.4; (14.3-82.5)	386.0±272.0; (37.2-1022)	230.0±204.0; (BDL-741)
Pseudotolithus senegalensis (n=6)	859.0±635.0; (67.3-2800)	49.2±16.8; (44.8-67.2)	168.0±135.0; (35.9-558.2)	48.4±34.1; (17.2-29.1)	529.0±492.0; (152.0-1830)	119.56±26.1; (25.6-202.2)
Mugil cephalus (n=6)	473.0±267.0; (BDL-860.0)	84.1±43.4; (8.34-132.0	133.0±125; (36.0-384.0)	25.5±12.6; 11.5-42.2	222.0±168.0; (BDL-559.0)	83.5±94.7; (BDL-273.0)
Pseudotolithus elongatus (n=6)	901.0±523.1; (223-1987)	52.6±21.6; (11.6-83.1)	245.0±201.0; (21.6-492)	27.3±12.6; (2.00-47.9)	508.0±413.0; (40.5-1328)	6.25±9.58; (BDL-25.0)
Lutjanus goreensis(n=6)	141.0±45.0; 78.0-164.5	42.3±27.9; 14.1-69.7	31.7±21.9; BDL-68.9	45.5±6.58; 38.0-56.9	196.5±18.5; 178.5-210.7	173.6±138.5; 36.9-300.4
Sphyraena piscatorum (n=6)	130.6±36.8; 67.9-153.8	38.3±21.9; 7.28-60.5	28.3±17.50; BDL-56.30	40.1±3.80; 34.5-50.1	186.5±9.00; 168.4-200.3	164.8±132.2; 28.6-297.4