Table 4.

Summary of observed teratogenic effects at 72 hpf of selected PAHs, PAH mixture and sediment extracts on zebrafish embryos

Exposure	Teratogenic effects
Naphthalene	• Stunted growth • Yolk-sac oedema
Phenanthrene	• Mild pericardial oedema • Severe yolk-sac oedema • Scoliosis
Pyrene	• Stunted growth • Severe yolk-sac oedema
Benzo[a]pyrene	• Elongated heart • Haemorrhaging
PAH-mixture	• Elongated heart • Haemorrhaging • Severe yolk-sac oedema • Pericardial oedema
Ilaje	• Elongated heart • Haemorrhaging • Severe yolk-sac oedema • Pericardial oedema • Scoliosis • Tail-tip curvature
Iddo	• Yolk-sac oedema • Tail-tip curvature
Atlas Cove	None observed
Apapa	• Haemorrhaging • Moderate yolk-sac oedema