Rahway River migrations. Fish ladders are inundated structures with small underwater steps that allow fish to navigate around a dam and continue their migration. Other approaches include removing obstructions that are inoperative or no longer serve their purpose, or improving water quality and reducing debris that obstructs passage. The fish targeted for upstream passage at the Rahway River Water Supply Dam are alewife (Alosa pseudoharengus), blueback herring (Alosa aestivalis), gizzard shad (Dorosoma cepedianum), white perch (Morone Americana) and the endangered American eel (Anguilla rostrate). Alewife and blueback herring are collectively referred to as river herring due to their similarity in appearance, range,
Dorab wolf-herring warmer coastal waters, from the Red Sea and East Africa to the Solomon Islands, north to southern Japan, south to northern Australia. Recently reported from Tonga. The dorab wolf-herring is a commercial species which is sold fresh, dried, salted or frozen. It is also a game fish. Dorab wolf-herring The dorab wolf-herring ("Chirocentrus dorab") is a fish species from the "Chirocentrus" genus of the Chirocentridae family. It is a coastal fish, silvery below and bright blue above. It is found in both marine and brackish or estuarine waters, feeding on smaller fish and possibly crustaceans. "Chirocentrus" is from the Greek