Menhaden swimming upstream on the Bronx River. Some of them with curious string like attachments to their backs?
A parasitic copepod, Lernaeenicus.
A single large and mature individual of the size we used to have in Woods Hole this time of year back in the 70s.
Small tight school behind CSF.
Schools of varying size juvenile fish in Eel Pond. One large ball off the Eel Pond dock had attending snapper blues. Small clupeids in school. Silvery and collectively feeding with wide open mouths and flared gills. Visible dark spot behind gill/eye area.
zona rocosa del vado en río Sabinas, Coah.
Large schools of small menhaden throughout Woods Hole. Feeding terns, gulls, cormorants, little tunny, striped bass, etc. Video shows school of 4-5 inch menhaden moving past boat. https://flic.kr/p/yFKv6F